diff options
Diffstat (limited to 'gemfeed/atom.xml')
| -rw-r--r-- | gemfeed/atom.xml | 1400 |
1 files changed, 700 insertions, 700 deletions
diff --git a/gemfeed/atom.xml b/gemfeed/atom.xml index ea33e0a8..4f7ec903 100644 --- a/gemfeed/atom.xml +++ b/gemfeed/atom.xml @@ -1,6 +1,6 @@ <?xml version="1.0" encoding="utf-8"?> <feed xmlns="http://www.w3.org/2005/Atom"> - <updated>2024-12-18T23:28:38+02:00</updated> + <updated>2024-12-29T23:48:55+02:00</updated> <title>foo.zone feed</title> <subtitle>To be in the .zone!</subtitle> <link href="gemini://foo.zone/gemfeed/atom.xml" rel="self" /> @@ -243,9 +243,9 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">[</font><font color="#ff0000">paul@earth</font><font color="#F3E651">]~</font><font color="#ff0000">/Downloads</font><font color="#F3E651">%</font><font color="#ff0000"> sudo dd </font><font color="#F3E651">\</font> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#F3E651">=</font><font color="#ff0000">FreeBSD-</font><font color="#bb00ff">14.1</font><font color="#ff0000">-RELEASE-amd</font><font color="#bb00ff">64</font><font color="#ff0000">-bootonly</font><font color="#F3E651">.</font><font color="#ff0000">iso </font><font color="#F3E651">\</font> -<font color="#ff0000"> </font><font color="#ff0000">of</font><font color="#F3E651">=</font><font color="#ff0000">/dev/sda </font><font color="#ff0000">conv</font><font color="#F3E651">=</font><font color="#ff0000">sync</font> +<pre>[paul@earth]~/Downloads% sudo dd \ + <b><u><font color="#000000">if</font></u></b>=FreeBSD-<font color="#000000">14.1</font>-RELEASE-amd<font color="#000000">64</font>-bootonly.iso \ + of=/dev/sda conv=sync </pre> <br /> <span>Next, I plugged the Beelinks (one after another) into my monitor via HDMI (the resolution of the FreeBSD text console seems strangely stretched, as I am using the LG Dual Up monitor), connected Ethernet, an external USB keyboard, and the FreeBSD USB stick, and booted the devices up. With F7, I entered the boot menu and selected the USB stick for the FreeBSD installation.</span><br /> @@ -271,9 +271,9 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># freebsd-update fetch</font></i> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># freebsd-update install</font></i> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># freebsd-update reboot</font></i> +<pre>root@f0:~ <i><font color="silver"># freebsd-update fetch</font></i> +root@f0:~ <i><font color="silver"># freebsd-update install</font></i> +root@f0:~ <i><font color="silver"># freebsd-update reboot</font></i> </pre> <br /> <span>I also added the following entries for the three FreeBSD boxes to the <span class='inlinecode'>/etc/hosts</span> file:</span><br /> @@ -281,11 +281,11 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># cat <<END >>/etc/hosts</font></i> -<font color="#bb00ff">192.168</font><font color="#F3E651">.</font><font color="#bb00ff">1.130</font><font color="#ff0000"> f0 f0</font><font color="#F3E651">.</font><font color="#ff0000">lan f0</font><font color="#F3E651">.</font><font color="#ff0000">lan</font><font color="#F3E651">.</font><font color="#ff0000">buetow</font><font color="#F3E651">.</font><font color="#ff0000">org</font> -<font color="#bb00ff">192.168</font><font color="#F3E651">.</font><font color="#bb00ff">1.131</font><font color="#ff0000"> f1 f1</font><font color="#F3E651">.</font><font color="#ff0000">lan f1</font><font color="#F3E651">.</font><font color="#ff0000">lan</font><font color="#F3E651">.</font><font color="#ff0000">buetow</font><font color="#F3E651">.</font><font color="#ff0000">org</font> -<font color="#bb00ff">192.168</font><font color="#F3E651">.</font><font color="#bb00ff">1.132</font><font color="#ff0000"> f2 f2</font><font color="#F3E651">.</font><font color="#ff0000">lan f2</font><font color="#F3E651">.</font><font color="#ff0000">lan</font><font color="#F3E651">.</font><font color="#ff0000">buetow</font><font color="#F3E651">.</font><font color="#ff0000">org</font> -<font color="#ff0000">END</font> +<pre>root@f0:~ <i><font color="silver"># cat <<END >>/etc/hosts</font></i> +<font color="#000000">192.168</font>.<font color="#000000">1.130</font> f0 f0.lan f0.lan.buetow.org +<font color="#000000">192.168</font>.<font color="#000000">1.131</font> f1 f1.lan f1.lan.buetow.org +<font color="#000000">192.168</font>.<font color="#000000">1.132</font> f2 f2.lan f2.lan.buetow.org +END </pre> <br /> <h2 style='display: inline' id='after-install'>After install</h2><br /> @@ -296,7 +296,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># pkg install helix doas zfs-periodic uptimed</font></i> +<pre>root@f0:~ <i><font color="silver"># pkg install helix doas zfs-periodic uptimed</font></i> </pre> <br /> <h3 style='display: inline' id='helix-editor'>Helix editor</h3><br /> @@ -313,7 +313,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># cp /usr/local/etc/doas.conf.sample /usr/local/etc/doas.conf</font></i> +<pre>root@f0:~ <i><font color="silver"># cp /usr/local/etc/doas.conf.sample /usr/local/etc/doas.conf</font></i> </pre> <br /> <a class='textlink' href='https://man.openbsd.org/doas'>https://man.openbsd.org/doas</a><br /> @@ -326,24 +326,24 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># sysrc daily_zfs_snapshot_enable=YES</font></i> -<font color="#ff0000">daily_zfs_snapshot_enable</font><font color="#F3E651">:</font><font color="#ff0000"> -</font><font color="#F3E651">></font><font color="#ff0000"> YES</font> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># sysrc daily_zfs_snapshot_pools=zroot</font></i> -<font color="#ff0000">daily_zfs_snapshot_pools</font><font color="#F3E651">:</font><font color="#ff0000"> -</font><font color="#F3E651">></font><font color="#ff0000"> zroot</font> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># sysrc daily_zfs_snapshot_keep=7</font></i> -<font color="#ff0000">daily_zfs_snapshot_keep</font><font color="#F3E651">:</font><font color="#ff0000"> -</font><font color="#F3E651">></font><font color="#ff0000"> </font><font color="#bb00ff">7</font> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># sysrc weekly_zfs_snapshot_enable=YES</font></i> -<font color="#ff0000">weekly_zfs_snapshot_enable</font><font color="#F3E651">:</font><font color="#ff0000"> -</font><font color="#F3E651">></font><font color="#ff0000"> YES</font> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># sysrc weekly_zfs_snapshot_pools=zroot</font></i> -<font color="#ff0000">weekly_zfs_snapshot_pools</font><font color="#F3E651">:</font><font color="#ff0000"> -</font><font color="#F3E651">></font><font color="#ff0000"> zroot</font> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># sysrc weekly_zfs_snapshot_keep=5</font></i> -<font color="#ff0000">weekly_zfs_snapshot_keep</font><font color="#F3E651">:</font><font color="#ff0000"> -</font><font color="#F3E651">></font><font color="#ff0000"> </font><font color="#bb00ff">5</font> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># sysrc monthly_zfs_snapshot_enable=YES</font></i> -<font color="#ff0000">monthly_zfs_snapshot_enable</font><font color="#F3E651">:</font><font color="#ff0000"> -</font><font color="#F3E651">></font><font color="#ff0000"> YES</font> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># sysrc monthly_zfs_snapshot_pools=zroot</font></i> -<font color="#ff0000">monthly_zfs_snapshot_pools</font><font color="#F3E651">:</font><font color="#ff0000"> -</font><font color="#F3E651">></font><font color="#ff0000"> zroot</font> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># sysrc monthly_zfs_snapshot_keep=6</font></i> -<font color="#ff0000">monthly_zfs_snapshot_keep</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#bb00ff">2</font><font color="#ff0000"> -</font><font color="#F3E651">></font><font color="#ff0000"> </font><font color="#bb00ff">6</font> +<pre>root@f0:~ <i><font color="silver"># sysrc daily_zfs_snapshot_enable=YES</font></i> +daily_zfs_snapshot_enable: -> YES +root@f0:~ <i><font color="silver"># sysrc daily_zfs_snapshot_pools=zroot</font></i> +daily_zfs_snapshot_pools: -> zroot +root@f0:~ <i><font color="silver"># sysrc daily_zfs_snapshot_keep=7</font></i> +daily_zfs_snapshot_keep: -> <font color="#000000">7</font> +root@f0:~ <i><font color="silver"># sysrc weekly_zfs_snapshot_enable=YES</font></i> +weekly_zfs_snapshot_enable: -> YES +root@f0:~ <i><font color="silver"># sysrc weekly_zfs_snapshot_pools=zroot</font></i> +weekly_zfs_snapshot_pools: -> zroot +root@f0:~ <i><font color="silver"># sysrc weekly_zfs_snapshot_keep=5</font></i> +weekly_zfs_snapshot_keep: -> <font color="#000000">5</font> +root@f0:~ <i><font color="silver"># sysrc monthly_zfs_snapshot_enable=YES</font></i> +monthly_zfs_snapshot_enable: -> YES +root@f0:~ <i><font color="silver"># sysrc monthly_zfs_snapshot_pools=zroot</font></i> +monthly_zfs_snapshot_pools: -> zroot +root@f0:~ <i><font color="silver"># sysrc monthly_zfs_snapshot_keep=6</font></i> +monthly_zfs_snapshot_keep: <font color="#000000">2</font> -> <font color="#000000">6</font> </pre> <br /> <a class='textlink' href='https://github.com/ross/zfs-periodic'>https://github.com/ross/zfs-periodic</a><br /> @@ -356,9 +356,9 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># cp /usr/local/mimecast/etc/uptimed.conf-dist \</font></i> -<font color="#ff0000"> /usr/local/mimecast/etc/uptimed</font><font color="#F3E651">.</font><font color="#ff0000">conf </font> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># hx /usr/local/mimecast/etc/uptimed.conf</font></i> +<pre>root@f0:~ <i><font color="silver"># cp /usr/local/mimecast/etc/uptimed.conf-dist \</font></i> + /usr/local/mimecast/etc/uptimed.conf +root@f0:~ <i><font color="silver"># hx /usr/local/mimecast/etc/uptimed.conf</font></i> </pre> <br /> <span>In the Helix editor session, I changed <span class='inlinecode'>LOG_MAXIMUM_ENTRIES</span> to <span class='inlinecode'>0</span> to keep all uptime entries forever and not cut off at 50 (the default config). After that, I enabled and started <span class='inlinecode'>uptimed</span>:</span><br /> @@ -367,8 +367,8 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># service uptimed enable</font></i> -<font color="#ff0000">root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># service uptimed start</font></i> +<pre>root@f0:~ <i><font color="silver"># service uptimed enable</font></i> +root@f0:~ <i><font color="silver"># service uptimed start</font></i> </pre> <br /> <span>To check the current uptime stats, I can now run <span class='inlinecode'>uprecords</span>:</span><br /> @@ -377,15 +377,15 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000"> root@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><i><font color="#ababab"># uprecords</font></i> -<font color="#ff0000"> </font><i><font color="#ababab"># Uptime | System Boot up</font></i> -<font color="#ff0000">----------------------------</font><font color="#F3E651">+</font><font color="#ff0000">---------------------------------------------------</font> -<font color="#ff0000">-</font><font color="#F3E651">></font><font color="#ff0000"> </font><font color="#bb00ff">1</font><font color="#ff0000"> </font><font color="#bb00ff">0</font><font color="#ff0000"> days</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">00</font><font color="#F3E651">:</font><font color="#bb00ff">07</font><font color="#F3E651">:</font><font color="#bb00ff">34</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> FreeBSD </font><font color="#bb00ff">14.1</font><font color="#ff0000">-RELEASE Mon Dec </font><font color="#bb00ff">2</font><font color="#ff0000"> </font><font color="#bb00ff">12</font><font color="#F3E651">:</font><font color="#bb00ff">21</font><font color="#F3E651">:</font><font color="#bb00ff">44</font><font color="#ff0000"> </font><font color="#bb00ff">2024</font> -<font color="#ff0000">----------------------------</font><font color="#F3E651">+</font><font color="#ff0000">---------------------------------------------------</font> -<font color="#ff0000">NewRec </font><font color="#bb00ff">0</font><font color="#ff0000"> days</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">00</font><font color="#F3E651">:</font><font color="#bb00ff">07</font><font color="#F3E651">:</font><font color="#bb00ff">33</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> since Mon Dec </font><font color="#bb00ff">2</font><font color="#ff0000"> </font><font color="#bb00ff">12</font><font color="#F3E651">:</font><font color="#bb00ff">21</font><font color="#F3E651">:</font><font color="#bb00ff">44</font><font color="#ff0000"> </font><font color="#bb00ff">2024</font> -<font color="#ff0000"> up </font><font color="#bb00ff">0</font><font color="#ff0000"> days</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">00</font><font color="#F3E651">:</font><font color="#bb00ff">07</font><font color="#F3E651">:</font><font color="#bb00ff">34</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> since Mon Dec </font><font color="#bb00ff">2</font><font color="#ff0000"> </font><font color="#bb00ff">12</font><font color="#F3E651">:</font><font color="#bb00ff">21</font><font color="#F3E651">:</font><font color="#bb00ff">44</font><font color="#ff0000"> </font><font color="#bb00ff">2024</font> -<font color="#ff0000"> down </font><font color="#bb00ff">0</font><font color="#ff0000"> days</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">00</font><font color="#F3E651">:</font><font color="#bb00ff">00</font><font color="#F3E651">:</font><font color="#bb00ff">00</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> since Mon Dec </font><font color="#bb00ff">2</font><font color="#ff0000"> </font><font color="#bb00ff">12</font><font color="#F3E651">:</font><font color="#bb00ff">21</font><font color="#F3E651">:</font><font color="#bb00ff">44</font><font color="#ff0000"> </font><font color="#bb00ff">2024</font> -<font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000">up </font><font color="#bb00ff">100.000</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> since Mon Dec </font><font color="#bb00ff">2</font><font color="#ff0000"> </font><font color="#bb00ff">12</font><font color="#F3E651">:</font><font color="#bb00ff">21</font><font color="#F3E651">:</font><font color="#bb00ff">44</font><font color="#ff0000"> </font><font color="#bb00ff">2024</font> +<pre> root@f0:~ <i><font color="silver"># uprecords</font></i> + <i><font color="silver"># Uptime | System Boot up</font></i> +----------------------------+--------------------------------------------------- +-> <font color="#000000">1</font> <font color="#000000">0</font> days, <font color="#000000">00</font>:<font color="#000000">07</font>:<font color="#000000">34</font> | FreeBSD <font color="#000000">14.1</font>-RELEASE Mon Dec <font color="#000000">2</font> <font color="#000000">12</font>:<font color="#000000">21</font>:<font color="#000000">44</font> <font color="#000000">2024</font> +----------------------------+--------------------------------------------------- +NewRec <font color="#000000">0</font> days, <font color="#000000">00</font>:<font color="#000000">07</font>:<font color="#000000">33</font> | since Mon Dec <font color="#000000">2</font> <font color="#000000">12</font>:<font color="#000000">21</font>:<font color="#000000">44</font> <font color="#000000">2024</font> + up <font color="#000000">0</font> days, <font color="#000000">00</font>:<font color="#000000">07</font>:<font color="#000000">34</font> | since Mon Dec <font color="#000000">2</font> <font color="#000000">12</font>:<font color="#000000">21</font>:<font color="#000000">44</font> <font color="#000000">2024</font> + down <font color="#000000">0</font> days, <font color="#000000">00</font>:<font color="#000000">00</font>:<font color="#000000">00</font> | since Mon Dec <font color="#000000">2</font> <font color="#000000">12</font>:<font color="#000000">21</font>:<font color="#000000">44</font> <font color="#000000">2024</font> + %up <font color="#000000">100.000</font> | since Mon Dec <font color="#000000">2</font> <font color="#000000">12</font>:<font color="#000000">21</font>:<font color="#000000">44</font> <font color="#000000">2024</font> </pre> <br /> <span>This is how I track the uptimes for all of my host:</span><br /> @@ -403,17 +403,17 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">paul@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> ifconfig re0</font> -<font color="#ff0000">re0</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#ff0000">flags</font><font color="#F3E651">=</font><font color="#bb00ff">1008843</font><font color="#F3E651"><</font><font color="#ff0000">UP</font><font color="#F3E651">,</font><font color="#ff0000">BROADCAST</font><font color="#F3E651">,</font><font color="#ff0000">RUNNING</font><font color="#F3E651">,</font><font color="#ff0000">SIMPLEX</font><font color="#F3E651">,</font><font color="#ff0000">MULTICAST</font><font color="#F3E651">,</font><font color="#ff0000">LOWER_UP</font><font color="#F3E651">></font><font color="#ff0000"> metric </font><font color="#bb00ff">0</font><font color="#ff0000"> mtu </font><font color="#bb00ff">1500</font> -<font color="#ff0000"> </font><font color="#ff0000">options</font><font color="#F3E651">=</font><font color="#ff0000">8209b</font><font color="#F3E651"><</font><font color="#ff0000">RXCSUM</font><font color="#F3E651">,</font><font color="#ff0000">TXCSUM</font><font color="#F3E651">,</font><font color="#ff0000">VLAN_MTU</font><font color="#F3E651">,</font><font color="#ff0000">VLAN_HWTAGGING</font><font color="#F3E651">,</font><font color="#ff0000">VLAN_HWCSUM</font><font color="#F3E651">,</font><font color="#ff0000">WOL_MAGIC</font><font color="#F3E651">,</font><font color="#ff0000">LINKSTATE</font><font color="#F3E651">></font> -<font color="#ff0000"> ether e8</font><font color="#F3E651">:</font><font color="#ff0000">ff</font><font color="#F3E651">:</font><font color="#ff0000">1e</font><font color="#F3E651">:</font><font color="#ff0000">d7</font><font color="#F3E651">:</font><font color="#ff0000">1c</font><font color="#F3E651">:</font><font color="#ff0000">ac</font> -<font color="#ff0000"> inet </font><font color="#bb00ff">192.168</font><font color="#F3E651">.</font><font color="#bb00ff">1.130</font><font color="#ff0000"> netmask </font><font color="#bb00ff">0xffffff00</font><font color="#ff0000"> broadcast </font><font color="#bb00ff">192.168</font><font color="#F3E651">.</font><font color="#bb00ff">1.255</font> -<font color="#ff0000"> inet6 fe80</font><font color="#F3E651">::</font><font color="#ff0000">eaff</font><font color="#F3E651">:</font><font color="#ff0000">1eff</font><font color="#F3E651">:</font><font color="#ff0000">fed7</font><font color="#F3E651">:</font><font color="#ff0000">1cac</font><font color="#F3E651">%</font><font color="#ff0000">re0 prefixlen </font><font color="#bb00ff">64</font><font color="#ff0000"> scopeid </font><font color="#bb00ff">0x1</font> -<font color="#ff0000"> inet6 fd22</font><font color="#F3E651">:</font><font color="#ff0000">c702</font><font color="#F3E651">:</font><font color="#ff0000">acb7</font><font color="#F3E651">:</font><font color="#bb00ff">0</font><font color="#F3E651">:</font><font color="#ff0000">eaff</font><font color="#F3E651">:</font><font color="#ff0000">1eff</font><font color="#F3E651">:</font><font color="#ff0000">fed7</font><font color="#F3E651">:</font><font color="#ff0000">1cac prefixlen </font><font color="#bb00ff">64</font><font color="#ff0000"> detached autoconf</font> -<font color="#ff0000"> inet6 2a01</font><font color="#F3E651">:</font><font color="#ff0000">5a8</font><font color="#F3E651">:</font><font color="#bb00ff">304</font><font color="#F3E651">:</font><font color="#ff0000">1d5c</font><font color="#F3E651">:</font><font color="#ff0000">eaff</font><font color="#F3E651">:</font><font color="#ff0000">1eff</font><font color="#F3E651">:</font><font color="#ff0000">fed7</font><font color="#F3E651">:</font><font color="#ff0000">1cac prefixlen </font><font color="#bb00ff">64</font><font color="#ff0000"> autoconf pltime </font><font color="#bb00ff">10800</font><font color="#ff0000"> vltime </font><font color="#bb00ff">14400</font> -<font color="#ff0000"> media</font><font color="#F3E651">:</font><font color="#ff0000"> Ethernet autoselect </font><font color="#F3E651">(</font><font color="#ff0000">1000baseT </font><font color="#F3E651"><</font><font color="#ff0000">full-duplex</font><font color="#F3E651">>)</font> -<font color="#ff0000"> status</font><font color="#F3E651">:</font><font color="#ff0000"> active</font> -<font color="#ff0000"> nd6 </font><font color="#ff0000">options</font><font color="#F3E651">=</font><font color="#bb00ff">23</font><font color="#F3E651"><</font><font color="#ff0000">PERFORMNUD</font><font color="#F3E651">,</font><font color="#ff0000">ACCEPT_RTADV</font><font color="#F3E651">,</font><font color="#ff0000">AUTO_LINKLOCAL</font><font color="#F3E651">></font> +<pre>paul@f0:~ % ifconfig re0 +re0: flags=<font color="#000000">1008843</font><UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric <font color="#000000">0</font> mtu <font color="#000000">1500</font> + options=8209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,LINKSTATE> + ether e8:ff:1e:d7:1c:ac + inet <font color="#000000">192.168</font>.<font color="#000000">1.130</font> netmask <font color="#000000">0xffffff00</font> broadcast <font color="#000000">192.168</font>.<font color="#000000">1.255</font> + inet6 fe80::eaff:1eff:fed7:1cac%re0 prefixlen <font color="#000000">64</font> scopeid <font color="#000000">0x1</font> + inet6 fd22:c702:acb7:<font color="#000000">0</font>:eaff:1eff:fed7:1cac prefixlen <font color="#000000">64</font> detached autoconf + inet6 2a01:5a8:<font color="#000000">304</font>:1d5c:eaff:1eff:fed7:1cac prefixlen <font color="#000000">64</font> autoconf pltime <font color="#000000">10800</font> vltime <font color="#000000">14400</font> + media: Ethernet autoselect (1000baseT <full-duplex>) + status: active + nd6 options=<font color="#000000">23</font><PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL> </pre> <br /> <h2 style='display: inline' id='ram'>RAM</h2><br /> @@ -424,8 +424,8 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">paul@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> sysctl hw</font><font color="#F3E651">.</font><font color="#ff0000">physmem</font> -<font color="#ff0000">hw</font><font color="#F3E651">.</font><font color="#ff0000">physmem</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#bb00ff">16902905856</font> +<pre>paul@f0:~ % sysctl hw.physmem +hw.physmem: <font color="#000000">16902905856</font> </pre> <br /> @@ -437,11 +437,11 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">paul@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> sysctl dev</font><font color="#F3E651">.</font><font color="#ff0000">cpu </font><font color="#F3E651">|</font><font color="#ff0000"> grep freq</font><font color="#F3E651">:</font> -<font color="#ff0000">dev</font><font color="#F3E651">.</font><font color="#ff0000">cpu</font><font color="#F3E651">.</font><font color="#bb00ff">3</font><font color="#F3E651">.</font><font color="#ff0000">freq</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#bb00ff">705</font> -<font color="#ff0000">dev</font><font color="#F3E651">.</font><font color="#ff0000">cpu</font><font color="#F3E651">.</font><font color="#bb00ff">2</font><font color="#F3E651">.</font><font color="#ff0000">freq</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#bb00ff">705</font> -<font color="#ff0000">dev</font><font color="#F3E651">.</font><font color="#ff0000">cpu</font><font color="#F3E651">.</font><font color="#bb00ff">1</font><font color="#F3E651">.</font><font color="#ff0000">freq</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#bb00ff">604</font> -<font color="#ff0000">dev</font><font color="#F3E651">.</font><font color="#ff0000">cpu</font><font color="#F3E651">.</font><font color="#bb00ff">0</font><font color="#F3E651">.</font><font color="#ff0000">freq</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#bb00ff">604</font> +<pre>paul@f0:~ % sysctl dev.cpu | grep freq: +dev.cpu.<font color="#000000">3</font>.freq: <font color="#000000">705</font> +dev.cpu.<font color="#000000">2</font>.freq: <font color="#000000">705</font> +dev.cpu.<font color="#000000">1</font>.freq: <font color="#000000">604</font> +dev.cpu.<font color="#000000">0</font>.freq: <font color="#000000">604</font> </pre> <br /> <h2 style='display: inline' id='cpu-throttling'>CPU throttling</h2><br /> @@ -452,14 +452,14 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">paul@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> doas pkg install ubench</font> -<font color="#ff0000">paul@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> rehash </font><i><font color="#ababab"># For tcsh to find the newly installed command</font></i> -<font color="#ff0000">paul@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> ubench </font><font color="#F3E651">&</font> -<font color="#ff0000">paul@f0</font><font color="#F3E651">:~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> sysctl dev</font><font color="#F3E651">.</font><font color="#ff0000">cpu </font><font color="#F3E651">|</font><font color="#ff0000"> grep freq</font><font color="#F3E651">:</font> -<font color="#ff0000">dev</font><font color="#F3E651">.</font><font color="#ff0000">cpu</font><font color="#F3E651">.</font><font color="#bb00ff">3</font><font color="#F3E651">.</font><font color="#ff0000">freq</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#bb00ff">2922</font> -<font color="#ff0000">dev</font><font color="#F3E651">.</font><font color="#ff0000">cpu</font><font color="#F3E651">.</font><font color="#bb00ff">2</font><font color="#F3E651">.</font><font color="#ff0000">freq</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#bb00ff">2922</font> -<font color="#ff0000">dev</font><font color="#F3E651">.</font><font color="#ff0000">cpu</font><font color="#F3E651">.</font><font color="#bb00ff">1</font><font color="#F3E651">.</font><font color="#ff0000">freq</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#bb00ff">2923</font> -<font color="#ff0000">dev</font><font color="#F3E651">.</font><font color="#ff0000">cpu</font><font color="#F3E651">.</font><font color="#bb00ff">0</font><font color="#F3E651">.</font><font color="#ff0000">freq</font><font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#bb00ff">2922</font> +<pre>paul@f0:~ % doas pkg install ubench +paul@f0:~ % rehash <i><font color="silver"># For tcsh to find the newly installed command</font></i> +paul@f0:~ % ubench & +paul@f0:~ % sysctl dev.cpu | grep freq: +dev.cpu.<font color="#000000">3</font>.freq: <font color="#000000">2922</font> +dev.cpu.<font color="#000000">2</font>.freq: <font color="#000000">2922</font> +dev.cpu.<font color="#000000">1</font>.freq: <font color="#000000">2923</font> +dev.cpu.<font color="#000000">0</font>.freq: <font color="#000000">2922</font> </pre> <br /> <span>Idle, all three Beelinks plus the switch consumed 26.2W. But with <span class='inlinecode'>ubench</span> stressing all the CPUs, it went up to 38.8W.</span><br /> @@ -910,7 +910,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><b><font color="#ffffff">declare</font></b><font color="#ff0000"> -xr </font><font color="#ff0000">HTML_THEME_DIR</font><font color="#F3E651">=.</font><font color="#ff0000">/extras/html/themes/simple</font> +<pre><b><u><font color="#000000">declare</font></u></b> -xr HTML_THEME_DIR=./extras/html/themes/simple </pre> <br /> <span>To customize the theme or create your own, simply copy the theme directory and modify it as needed. This makes it also much easier to switch between layouts.</span><br /> @@ -1431,11 +1431,11 @@ jgs \\`_..---.Y.---.._`// <br /> <ul> <li><a href='#the-stoic-challenge-book-notes'>"The Stoic Challenge" book notes</a></li> -<li>⇢ <a href='#got-sets-you-up-for-a-challenge'>Got sets you up for a challenge</a></li> +<li>⇢ <a href='#god-sets-you-up-for-a-challenge'>God sets you up for a challenge</a></li> <li>⇢ <a href='#negative-visualization'>Negative visualization</a></li> <li>⇢ <a href='#oh-nice-trick-you-stoic-god--'>Oh, nice trick, you stoic "god"! ;-)</a></li> </ul><br /> -<h2 style='display: inline' id='got-sets-you-up-for-a-challenge'>Got sets you up for a challenge</h2><br /> +<h2 style='display: inline' id='god-sets-you-up-for-a-challenge'>God sets you up for a challenge</h2><br /> <br /> <span>Gods set you up for a challenge to see how resilient you are. Is getting angry worth the price? If you stay calm then you can find the optimal workaround for the obstacle. Stay calm even with big setbacks. Practice minimalism of negative emotions.</span><br /> <br /> @@ -1535,38 +1535,38 @@ WHOA!! ( o.o ) by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> traceroute bad</font><font color="#F3E651">.</font><font color="#ff0000">horse</font> -<font color="#ff0000">traceroute to bad</font><font color="#F3E651">.</font><font color="#ff0000">horse </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.157</font><font color="#F3E651">),</font><font color="#ff0000"> </font><font color="#bb00ff">30</font><font color="#ff0000"> hops max</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">60</font><font color="#ff0000"> byte packets</font> -<font color="#ff0000"> </font><font color="#bb00ff">1</font><font color="#ff0000"> dsldevice</font><font color="#F3E651">.</font><font color="#ff0000">lan </font><font color="#F3E651">(</font><font color="#bb00ff">192.168</font><font color="#F3E651">.</font><font color="#bb00ff">1.1</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">5.712</font><font color="#ff0000"> ms </font><font color="#bb00ff">5.800</font><font color="#ff0000"> ms </font><font color="#bb00ff">6.466</font><font color="#ff0000"> ms</font> -<font color="#ff0000"> </font><font color="#bb00ff">2</font><font color="#ff0000"> </font><font color="#bb00ff">87</font><font color="#ff0000">-</font><font color="#bb00ff">243</font><font color="#ff0000">-</font><font color="#bb00ff">116</font><font color="#ff0000">-</font><font color="#bb00ff">2</font><font color="#F3E651">.</font><font color="#ff0000">ip</font><font color="#F3E651">.</font><font color="#ff0000">btc-net</font><font color="#F3E651">.</font><b><font color="#ffffff">bg</font></b><font color="#ff0000"> </font><font color="#F3E651">(</font><font color="#bb00ff">87.243</font><font color="#F3E651">.</font><font color="#bb00ff">116.2</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">8.017</font><font color="#ff0000"> ms </font><font color="#bb00ff">7.506</font><font color="#ff0000"> ms </font><font color="#bb00ff">8.432</font><font color="#ff0000"> ms</font> -<font color="#ff0000"> </font><font color="#bb00ff">3</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font> -<font color="#ff0000"> </font><font color="#bb00ff">4</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font> -<font color="#ff0000"> </font><font color="#bb00ff">5</font><font color="#ff0000"> xe-</font><font color="#bb00ff">1</font><font color="#ff0000">-</font><font color="#bb00ff">2</font><font color="#ff0000">-</font><font color="#bb00ff">0</font><font color="#F3E651">.</font><font color="#ff0000">mpr1</font><font color="#F3E651">.</font><font color="#ff0000">fra4</font><font color="#F3E651">.</font><font color="#ff0000">de</font><font color="#F3E651">.</font><font color="#ff0000">above</font><font color="#F3E651">.</font><font color="#ff0000">net </font><font color="#F3E651">(</font><font color="#bb00ff">80.81</font><font color="#F3E651">.</font><font color="#bb00ff">194.26</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">39.952</font><font color="#ff0000"> ms </font><font color="#bb00ff">40.155</font><font color="#ff0000"> ms </font><font color="#bb00ff">40.139</font><font color="#ff0000"> ms</font> -<font color="#ff0000"> </font><font color="#bb00ff">6</font><font color="#ff0000"> ae12</font><font color="#F3E651">.</font><font color="#ff0000">cs1</font><font color="#F3E651">.</font><font color="#ff0000">fra6</font><font color="#F3E651">.</font><font color="#ff0000">de</font><font color="#F3E651">.</font><font color="#ff0000">eth</font><font color="#F3E651">.</font><font color="#ff0000">zayo</font><font color="#F3E651">.</font><font color="#ff0000">com </font><font color="#F3E651">(</font><font color="#bb00ff">64.125</font><font color="#F3E651">.</font><font color="#bb00ff">26.172</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">128.014</font><font color="#ff0000"> ms </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font> -<font color="#ff0000"> </font><font color="#bb00ff">7</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font> -<font color="#ff0000"> </font><font color="#bb00ff">8</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font> -<font color="#ff0000"> </font><font color="#bb00ff">9</font><font color="#ff0000"> ae10</font><font color="#F3E651">.</font><font color="#ff0000">cs1</font><font color="#F3E651">.</font><font color="#ff0000">lhr15</font><font color="#F3E651">.</font><font color="#ff0000">uk</font><font color="#F3E651">.</font><font color="#ff0000">eth</font><font color="#F3E651">.</font><font color="#ff0000">zayo</font><font color="#F3E651">.</font><font color="#ff0000">com </font><font color="#F3E651">(</font><font color="#bb00ff">64.125</font><font color="#F3E651">.</font><font color="#bb00ff">29.17</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">120.625</font><font color="#ff0000"> ms </font><font color="#bb00ff">121.117</font><font color="#ff0000"> ms </font><font color="#bb00ff">121.050</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">10</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font> -<font color="#bb00ff">11</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font> -<font color="#bb00ff">12</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font> -<font color="#bb00ff">13</font><font color="#ff0000"> ae5</font><font color="#F3E651">.</font><font color="#ff0000">mpr1</font><font color="#F3E651">.</font><font color="#ff0000">tor3</font><font color="#F3E651">.</font><font color="#ff0000">ca</font><font color="#F3E651">.</font><font color="#ff0000">zip</font><font color="#F3E651">.</font><font color="#ff0000">zayo</font><font color="#F3E651">.</font><font color="#ff0000">com </font><font color="#F3E651">(</font><font color="#bb00ff">64.125</font><font color="#F3E651">.</font><font color="#bb00ff">23.118</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">192.605</font><font color="#ff0000"> ms </font><font color="#bb00ff">205.741</font><font color="#ff0000"> ms </font><font color="#bb00ff">203.607</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">14</font><font color="#ff0000"> </font><font color="#bb00ff">64.124</font><font color="#F3E651">.</font><font color="#bb00ff">217.237</font><font color="#F3E651">.</font><font color="#ff0000">IDIA-</font><font color="#bb00ff">265104</font><font color="#ff0000">-ZYO</font><font color="#F3E651">.</font><font color="#ff0000">zip</font><font color="#F3E651">.</font><font color="#ff0000">zayo</font><font color="#F3E651">.</font><font color="#ff0000">com </font><font color="#F3E651">(</font><font color="#bb00ff">64.124</font><font color="#F3E651">.</font><font color="#bb00ff">217.237</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">204.673</font><font color="#ff0000"> ms </font><font color="#bb00ff">134.674</font><font color="#ff0000"> ms </font><font color="#bb00ff">131.442</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">15</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000"> </font><font color="#F3E651">*</font> -<font color="#bb00ff">16</font><font color="#ff0000"> </font><font color="#bb00ff">67.223</font><font color="#F3E651">.</font><font color="#bb00ff">96.90</font><font color="#ff0000"> </font><font color="#F3E651">(</font><font color="#bb00ff">67.223</font><font color="#F3E651">.</font><font color="#bb00ff">96.90</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">128.245</font><font color="#ff0000"> ms </font><font color="#bb00ff">127.844</font><font color="#ff0000"> ms </font><font color="#bb00ff">127.843</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">17</font><font color="#ff0000"> bad</font><font color="#F3E651">.</font><font color="#ff0000">horse </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.130</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">128.194</font><font color="#ff0000"> ms </font><font color="#bb00ff">122.854</font><font color="#ff0000"> ms </font><font color="#bb00ff">121.786</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">18</font><font color="#ff0000"> bad</font><font color="#F3E651">.</font><font color="#ff0000">horse </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.131</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">128.831</font><font color="#ff0000"> ms </font><font color="#bb00ff">128.341</font><font color="#ff0000"> ms </font><font color="#bb00ff">186.559</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">19</font><font color="#ff0000"> bad</font><font color="#F3E651">.</font><font color="#ff0000">horse </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.132</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">185.716</font><font color="#ff0000"> ms </font><font color="#bb00ff">180.121</font><font color="#ff0000"> ms </font><font color="#bb00ff">180.042</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">20</font><font color="#ff0000"> bad</font><font color="#F3E651">.</font><font color="#ff0000">horse </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.133</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">203.170</font><font color="#ff0000"> ms </font><font color="#bb00ff">203.076</font><font color="#ff0000"> ms </font><font color="#bb00ff">203.168</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">21</font><font color="#ff0000"> he</font><font color="#F3E651">.</font><font color="#ff0000">rides</font><font color="#F3E651">.</font><font color="#ff0000">across</font><font color="#F3E651">.</font><font color="#ff0000">the</font><font color="#F3E651">.</font><font color="#ff0000">nation </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.134</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">203.115</font><font color="#ff0000"> ms </font><font color="#bb00ff">141.830</font><font color="#ff0000"> ms </font><font color="#bb00ff">141.799</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">22</font><font color="#ff0000"> the</font><font color="#F3E651">.</font><font color="#ff0000">thoroughbred</font><font color="#F3E651">.</font><font color="#ff0000">of</font><font color="#F3E651">.</font><font color="#ff0000">sin </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.135</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">147.965</font><font color="#ff0000"> ms </font><font color="#bb00ff">148.230</font><font color="#ff0000"> ms </font><font color="#bb00ff">170.478</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">23</font><font color="#ff0000"> he</font><font color="#F3E651">.</font><font color="#ff0000">got</font><font color="#F3E651">.</font><font color="#ff0000">the</font><font color="#F3E651">.</font><font color="#ff0000">application </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.136</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">165.161</font><font color="#ff0000"> ms </font><font color="#bb00ff">164.939</font><font color="#ff0000"> ms </font><font color="#bb00ff">159.085</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">24</font><font color="#ff0000"> that</font><font color="#F3E651">.</font><font color="#ff0000">you</font><font color="#F3E651">.</font><font color="#ff0000">just</font><font color="#F3E651">.</font><font color="#ff0000">sent</font><font color="#F3E651">.</font><b><font color="#ffffff">in</font></b><font color="#ff0000"> </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.137</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">162.310</font><font color="#ff0000"> ms </font><font color="#bb00ff">158.569</font><font color="#ff0000"> ms </font><font color="#bb00ff">158.896</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">25</font><font color="#ff0000"> it</font><font color="#F3E651">.</font><font color="#ff0000">needs</font><font color="#F3E651">.</font><font color="#ff0000">evaluation </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.138</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">162.927</font><font color="#ff0000"> ms </font><font color="#bb00ff">163.046</font><font color="#ff0000"> ms </font><font color="#bb00ff">163.085</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">26</font><font color="#ff0000"> so</font><font color="#F3E651">.</font><b><font color="#ffffff">let</font></b><font color="#F3E651">.</font><font color="#ff0000">the</font><font color="#F3E651">.</font><font color="#ff0000">games</font><font color="#F3E651">.</font><font color="#ff0000">begin </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.139</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">233.363</font><font color="#ff0000"> ms </font><font color="#bb00ff">233.545</font><font color="#ff0000"> ms </font><font color="#bb00ff">233.317</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">27</font><font color="#ff0000"> a</font><font color="#F3E651">.</font><font color="#ff0000">heinous</font><font color="#F3E651">.</font><font color="#ff0000">crime </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.140</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">237.745</font><font color="#ff0000"> ms </font><font color="#bb00ff">233.614</font><font color="#ff0000"> ms </font><font color="#bb00ff">233.740</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">28</font><font color="#ff0000"> a</font><font color="#F3E651">.</font><font color="#ff0000">show</font><font color="#F3E651">.</font><font color="#ff0000">of</font><font color="#F3E651">.</font><font color="#ff0000">force </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.141</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">237.974</font><font color="#ff0000"> ms </font><font color="#bb00ff">176.085</font><font color="#ff0000"> ms </font><font color="#bb00ff">175.927</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">29</font><font color="#ff0000"> a</font><font color="#F3E651">.</font><font color="#ff0000">murder</font><font color="#F3E651">.</font><font color="#ff0000">would</font><font color="#F3E651">.</font><font color="#ff0000">be</font><font color="#F3E651">.</font><font color="#ff0000">nice</font><font color="#F3E651">.</font><font color="#ff0000">of</font><font color="#F3E651">.</font><font color="#ff0000">course </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.142</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">181.838</font><font color="#ff0000"> ms </font><font color="#bb00ff">181.858</font><font color="#ff0000"> ms </font><font color="#bb00ff">182.059</font><font color="#ff0000"> ms</font> -<font color="#bb00ff">30</font><font color="#ff0000"> bad</font><font color="#F3E651">.</font><font color="#ff0000">horse </font><font color="#F3E651">(</font><font color="#bb00ff">162.252</font><font color="#F3E651">.</font><font color="#bb00ff">205.143</font><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#bb00ff">187.731</font><font color="#ff0000"> ms </font><font color="#bb00ff">187.416</font><font color="#ff0000"> ms </font><font color="#bb00ff">187.532</font><font color="#ff0000"> ms</font> +<pre>% traceroute bad.horse +traceroute to bad.horse (<font color="#000000">162.252</font>.<font color="#000000">205.157</font>), <font color="#000000">30</font> hops max, <font color="#000000">60</font> byte packets + <font color="#000000">1</font> dsldevice.lan (<font color="#000000">192.168</font>.<font color="#000000">1.1</font>) <font color="#000000">5.712</font> ms <font color="#000000">5.800</font> ms <font color="#000000">6.466</font> ms + <font color="#000000">2</font> <font color="#000000">87</font>-<font color="#000000">243</font>-<font color="#000000">116</font>-<font color="#000000">2</font>.ip.btc-net.<b><u><font color="#000000">bg</font></u></b> (<font color="#000000">87.243</font>.<font color="#000000">116.2</font>) <font color="#000000">8.017</font> ms <font color="#000000">7.506</font> ms <font color="#000000">8.432</font> ms + <font color="#000000">3</font> * * * + <font color="#000000">4</font> * * * + <font color="#000000">5</font> xe-<font color="#000000">1</font>-<font color="#000000">2</font>-<font color="#000000">0</font>.mpr1.fra4.de.above.net (<font color="#000000">80.81</font>.<font color="#000000">194.26</font>) <font color="#000000">39.952</font> ms <font color="#000000">40.155</font> ms <font color="#000000">40.139</font> ms + <font color="#000000">6</font> ae12.cs1.fra6.de.eth.zayo.com (<font color="#000000">64.125</font>.<font color="#000000">26.172</font>) <font color="#000000">128.014</font> ms * * + <font color="#000000">7</font> * * * + <font color="#000000">8</font> * * * + <font color="#000000">9</font> ae10.cs1.lhr15.uk.eth.zayo.com (<font color="#000000">64.125</font>.<font color="#000000">29.17</font>) <font color="#000000">120.625</font> ms <font color="#000000">121.117</font> ms <font color="#000000">121.050</font> ms +<font color="#000000">10</font> * * * +<font color="#000000">11</font> * * * +<font color="#000000">12</font> * * * +<font color="#000000">13</font> ae5.mpr1.tor3.ca.zip.zayo.com (<font color="#000000">64.125</font>.<font color="#000000">23.118</font>) <font color="#000000">192.605</font> ms <font color="#000000">205.741</font> ms <font color="#000000">203.607</font> ms +<font color="#000000">14</font> <font color="#000000">64.124</font>.<font color="#000000">217.237</font>.IDIA-<font color="#000000">265104</font>-ZYO.zip.zayo.com (<font color="#000000">64.124</font>.<font color="#000000">217.237</font>) <font color="#000000">204.673</font> ms <font color="#000000">134.674</font> ms <font color="#000000">131.442</font> ms +<font color="#000000">15</font> * * * +<font color="#000000">16</font> <font color="#000000">67.223</font>.<font color="#000000">96.90</font> (<font color="#000000">67.223</font>.<font color="#000000">96.90</font>) <font color="#000000">128.245</font> ms <font color="#000000">127.844</font> ms <font color="#000000">127.843</font> ms +<font color="#000000">17</font> bad.horse (<font color="#000000">162.252</font>.<font color="#000000">205.130</font>) <font color="#000000">128.194</font> ms <font color="#000000">122.854</font> ms <font color="#000000">121.786</font> ms +<font color="#000000">18</font> bad.horse (<font color="#000000">162.252</font>.<font color="#000000">205.131</font>) <font color="#000000">128.831</font> ms <font color="#000000">128.341</font> ms <font color="#000000">186.559</font> ms +<font color="#000000">19</font> bad.horse (<font color="#000000">162.252</font>.<font color="#000000">205.132</font>) <font color="#000000">185.716</font> ms <font color="#000000">180.121</font> ms <font color="#000000">180.042</font> ms +<font color="#000000">20</font> bad.horse (<font color="#000000">162.252</font>.<font color="#000000">205.133</font>) <font color="#000000">203.170</font> ms <font color="#000000">203.076</font> ms <font color="#000000">203.168</font> ms +<font color="#000000">21</font> he.rides.across.the.nation (<font color="#000000">162.252</font>.<font color="#000000">205.134</font>) <font color="#000000">203.115</font> ms <font color="#000000">141.830</font> ms <font color="#000000">141.799</font> ms +<font color="#000000">22</font> the.thoroughbred.of.sin (<font color="#000000">162.252</font>.<font color="#000000">205.135</font>) <font color="#000000">147.965</font> ms <font color="#000000">148.230</font> ms <font color="#000000">170.478</font> ms +<font color="#000000">23</font> he.got.the.application (<font color="#000000">162.252</font>.<font color="#000000">205.136</font>) <font color="#000000">165.161</font> ms <font color="#000000">164.939</font> ms <font color="#000000">159.085</font> ms +<font color="#000000">24</font> that.you.just.sent.<b><u><font color="#000000">in</font></u></b> (<font color="#000000">162.252</font>.<font color="#000000">205.137</font>) <font color="#000000">162.310</font> ms <font color="#000000">158.569</font> ms <font color="#000000">158.896</font> ms +<font color="#000000">25</font> it.needs.evaluation (<font color="#000000">162.252</font>.<font color="#000000">205.138</font>) <font color="#000000">162.927</font> ms <font color="#000000">163.046</font> ms <font color="#000000">163.085</font> ms +<font color="#000000">26</font> so.<b><u><font color="#000000">let</font></u></b>.the.games.begin (<font color="#000000">162.252</font>.<font color="#000000">205.139</font>) <font color="#000000">233.363</font> ms <font color="#000000">233.545</font> ms <font color="#000000">233.317</font> ms +<font color="#000000">27</font> a.heinous.crime (<font color="#000000">162.252</font>.<font color="#000000">205.140</font>) <font color="#000000">237.745</font> ms <font color="#000000">233.614</font> ms <font color="#000000">233.740</font> ms +<font color="#000000">28</font> a.show.of.force (<font color="#000000">162.252</font>.<font color="#000000">205.141</font>) <font color="#000000">237.974</font> ms <font color="#000000">176.085</font> ms <font color="#000000">175.927</font> ms +<font color="#000000">29</font> a.murder.would.be.nice.of.course (<font color="#000000">162.252</font>.<font color="#000000">205.142</font>) <font color="#000000">181.838</font> ms <font color="#000000">181.858</font> ms <font color="#000000">182.059</font> ms +<font color="#000000">30</font> bad.horse (<font color="#000000">162.252</font>.<font color="#000000">205.143</font>) <font color="#000000">187.731</font> ms <font color="#000000">187.416</font> ms <font color="#000000">187.532</font> ms </pre> <br /> <h2 style='display: inline' id='2-ascii-cinema'>2. ASCII cinema</h2><br /> @@ -1594,20 +1594,20 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ababab">#include</font><font color="#ff0000"> </font><font color="#bb00ff"><stdio.h></font> +<pre><b><u><font color="#000000">#include</font></u></b> <font color="#808080"><stdio.h></font> -<b><font color="#F35E1E">int</font></b><font color="#ff0000"> </font><font color="#7bc710">main</font><font color="#F3E651">(</font><b><font color="#F35E1E">void</font></b><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#F3E651">{</font> -<font color="#ff0000"> </font><b><font color="#F35E1E">int</font></b><font color="#ff0000"> array</font><font color="#F3E651">[</font><font color="#bb00ff">5</font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#F3E651">{</font><font color="#ff0000"> </font><font color="#bb00ff">1</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">2</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">3</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">4</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">5</font><font color="#ff0000"> </font><font color="#F3E651">}</font><font color="#F3E651">;</font> +<b><font color="#000000">int</font></b> main(<b><font color="#000000">void</font></b>) { + <b><font color="#000000">int</font></b> array[<font color="#000000">5</font>] = { <font color="#000000">1</font>, <font color="#000000">2</font>, <font color="#000000">3</font>, <font color="#000000">4</font>, <font color="#000000">5</font> }; -<font color="#ff0000"> </font><b><font color="#ffffff">for</font></b><font color="#ff0000"> </font><font color="#F3E651">(</font><b><font color="#F35E1E">int</font></b><font color="#ff0000"> i </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#bb00ff">0</font><font color="#F3E651">;</font><font color="#ff0000"> i </font><font color="#F3E651"><</font><font color="#ff0000"> </font><font color="#bb00ff">5</font><font color="#F3E651">;</font><font color="#ff0000"> i</font><font color="#F3E651">++)</font> -<font color="#ff0000"> </font><font color="#7bc710">printf</font><font color="#F3E651">(</font><font color="#bb00ff">"%d</font><font color="#ffffff">\n</font><font color="#bb00ff">"</font><font color="#F3E651">,</font><font color="#ff0000"> array</font><font color="#F3E651">[</font><font color="#ff0000">i</font><font color="#F3E651">]);</font> + <b><u><font color="#000000">for</font></u></b> (<b><font color="#000000">int</font></b> i = <font color="#000000">0</font>; i < <font color="#000000">5</font>; i++) + printf(<font color="#808080">"%d</font>\n<font color="#808080">"</font>, array[i]); -<font color="#ff0000"> </font><b><font color="#ffffff">for</font></b><font color="#ff0000"> </font><font color="#F3E651">(</font><b><font color="#F35E1E">int</font></b><font color="#ff0000"> i </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#bb00ff">0</font><font color="#F3E651">;</font><font color="#ff0000"> i </font><font color="#F3E651"><</font><font color="#ff0000"> </font><font color="#bb00ff">5</font><font color="#F3E651">;</font><font color="#ff0000"> i</font><font color="#F3E651">++)</font> -<font color="#ff0000"> </font><font color="#7bc710">printf</font><font color="#F3E651">(</font><font color="#bb00ff">"%d</font><font color="#ffffff">\n</font><font color="#bb00ff">"</font><font color="#F3E651">,</font><font color="#ff0000"> i</font><font color="#F3E651">[</font><font color="#ff0000">array</font><font color="#F3E651">]);</font> + <b><u><font color="#000000">for</font></u></b> (<b><font color="#000000">int</font></b> i = <font color="#000000">0</font>; i < <font color="#000000">5</font>; i++) + printf(<font color="#808080">"%d</font>\n<font color="#808080">"</font>, i[array]); -<font color="#ff0000"> </font><b><font color="#ffffff">for</font></b><font color="#ff0000"> </font><font color="#F3E651">(</font><b><font color="#F35E1E">int</font></b><font color="#ff0000"> i </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#bb00ff">0</font><font color="#F3E651">;</font><font color="#ff0000"> i </font><font color="#F3E651"><</font><font color="#ff0000"> </font><font color="#bb00ff">5</font><font color="#F3E651">;</font><font color="#ff0000"> i</font><font color="#F3E651">++)</font> -<font color="#ff0000"> </font><font color="#7bc710">printf</font><font color="#F3E651">(</font><font color="#bb00ff">"%d</font><font color="#ffffff">\n</font><font color="#bb00ff">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#F3E651">*(</font><font color="#ff0000">i </font><font color="#F3E651">+</font><font color="#ff0000"> array</font><font color="#F3E651">));</font> -<font color="#F3E651">}</font> + <b><u><font color="#000000">for</font></u></b> (<b><font color="#000000">int</font></b> i = <font color="#000000">0</font>; i < <font color="#000000">5</font>; i++) + printf(<font color="#808080">"%d</font>\n<font color="#808080">"</font>, *(i + array)); +} </pre> <br /> <h3 style='display: inline' id='5-variables-with-prefix-'>5. Variables with prefix <span class='inlinecode'>$</span></h3><br /> @@ -1618,20 +1618,20 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ababab">#include</font><font color="#ff0000"> </font><font color="#bb00ff"><stdio.h></font> +<pre><b><u><font color="#000000">#include</font></u></b> <font color="#808080"><stdio.h></font> -<b><font color="#F35E1E">int</font></b><font color="#ff0000"> </font><font color="#7bc710">main</font><font color="#F3E651">(</font><b><font color="#F35E1E">void</font></b><font color="#F3E651">)</font><font color="#ff0000"> </font><font color="#F3E651">{</font> -<font color="#ff0000"> </font><b><font color="#F35E1E">int</font></b><font color="#ff0000"> $array</font><font color="#F3E651">[</font><font color="#bb00ff">5</font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#F3E651">{</font><font color="#ff0000"> </font><font color="#bb00ff">1</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">2</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">3</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">4</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#bb00ff">5</font><font color="#ff0000"> </font><font color="#F3E651">}</font><font color="#F3E651">;</font> +<b><font color="#000000">int</font></b> main(<b><font color="#000000">void</font></b>) { + <b><font color="#000000">int</font></b> $array[<font color="#000000">5</font>] = { <font color="#000000">1</font>, <font color="#000000">2</font>, <font color="#000000">3</font>, <font color="#000000">4</font>, <font color="#000000">5</font> }; -<font color="#ff0000"> </font><b><font color="#ffffff">for</font></b><font color="#ff0000"> </font><font color="#F3E651">(</font><b><font color="#F35E1E">int</font></b><font color="#ff0000"> $i </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#bb00ff">0</font><font color="#F3E651">;</font><font color="#ff0000"> $i </font><font color="#F3E651"><</font><font color="#ff0000"> </font><font color="#bb00ff">5</font><font color="#F3E651">;</font><font color="#ff0000"> $i</font><font color="#F3E651">++)</font> -<font color="#ff0000"> </font><font color="#7bc710">printf</font><font color="#F3E651">(</font><font color="#bb00ff">"%d</font><font color="#ffffff">\n</font><font color="#bb00ff">"</font><font color="#F3E651">,</font><font color="#ff0000"> $array</font><font color="#F3E651">[</font><font color="#ff0000">$i</font><font color="#F3E651">]);</font> + <b><u><font color="#000000">for</font></u></b> (<b><font color="#000000">int</font></b> $i = <font color="#000000">0</font>; $i < <font color="#000000">5</font>; $i++) + printf(<font color="#808080">"%d</font>\n<font color="#808080">"</font>, $array[$i]); -<font color="#ff0000"> </font><b><font color="#ffffff">for</font></b><font color="#ff0000"> </font><font color="#F3E651">(</font><b><font color="#F35E1E">int</font></b><font color="#ff0000"> $i </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#bb00ff">0</font><font color="#F3E651">;</font><font color="#ff0000"> $i </font><font color="#F3E651"><</font><font color="#ff0000"> </font><font color="#bb00ff">5</font><font color="#F3E651">;</font><font color="#ff0000"> $i</font><font color="#F3E651">++)</font> -<font color="#ff0000"> </font><font color="#7bc710">printf</font><font color="#F3E651">(</font><font color="#bb00ff">"%d</font><font color="#ffffff">\n</font><font color="#bb00ff">"</font><font color="#F3E651">,</font><font color="#ff0000"> $i</font><font color="#F3E651">[</font><font color="#ff0000">$array</font><font color="#F3E651">]);</font> + <b><u><font color="#000000">for</font></u></b> (<b><font color="#000000">int</font></b> $i = <font color="#000000">0</font>; $i < <font color="#000000">5</font>; $i++) + printf(<font color="#808080">"%d</font>\n<font color="#808080">"</font>, $i[$array]); -<font color="#ff0000"> </font><b><font color="#ffffff">for</font></b><font color="#ff0000"> </font><font color="#F3E651">(</font><b><font color="#F35E1E">int</font></b><font color="#ff0000"> $i </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#bb00ff">0</font><font color="#F3E651">;</font><font color="#ff0000"> $i </font><font color="#F3E651"><</font><font color="#ff0000"> </font><font color="#bb00ff">5</font><font color="#F3E651">;</font><font color="#ff0000"> $i</font><font color="#F3E651">++)</font> -<font color="#ff0000"> </font><font color="#7bc710">printf</font><font color="#F3E651">(</font><font color="#bb00ff">"%d</font><font color="#ffffff">\n</font><font color="#bb00ff">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#F3E651">*(</font><font color="#ff0000">$i </font><font color="#F3E651">+</font><font color="#ff0000"> $array</font><font color="#F3E651">));</font> -<font color="#F3E651">}</font> + <b><u><font color="#000000">for</font></u></b> (<b><font color="#000000">int</font></b> $i = <font color="#000000">0</font>; $i < <font color="#000000">5</font>; $i++) + printf(<font color="#808080">"%d</font>\n<font color="#808080">"</font>, *($i + $array)); +} </pre> <br /> <h2 style='display: inline' id='6-object-oriented-shell-scripts-using-ksh'>6. Object oriented shell scripts using <span class='inlinecode'>ksh</span></h2><br /> @@ -1642,40 +1642,40 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/ksh93</font></i> -<font color="#ff0000"> </font> -<b><font color="#ffffff">typeset</font></b><font color="#ff0000"> -T </font><font color="#ff0000">Point_t</font><font color="#F3E651">=(</font> -<font color="#ff0000"> integer -h </font><font color="#bb00ff">'x coordinate'</font><font color="#ff0000"> </font><font color="#ff0000">x</font><font color="#F3E651">=</font><font color="#bb00ff">0</font> -<font color="#ff0000"> integer -h </font><font color="#bb00ff">'y coordinate'</font><font color="#ff0000"> </font><font color="#ff0000">y</font><font color="#F3E651">=</font><font color="#bb00ff">0</font> -<font color="#ff0000"> </font><b><font color="#ffffff">typeset</font></b><font color="#ff0000"> -h </font><font color="#bb00ff">'point color'</font><font color="#ff0000"> </font><font color="#ff0000">color</font><font color="#F3E651">=</font><font color="#bb00ff">"red"</font> - -<font color="#ff0000"> </font><font color="#7bc710">function getcolor </font><font color="#ff0000">{</font> -<font color="#ff0000"> print -r </font><font color="#ff0000">${_.color}</font> -<font color="#ff0000"> }</font> - -<font color="#ff0000"> </font><font color="#7bc710">function setcolor </font><font color="#ff0000">{</font> -<font color="#ff0000"> _</font><font color="#F3E651">.</font><font color="#ff0000">color</font><font color="#F3E651">=</font><font color="#ff0000">$1</font> -<font color="#ff0000"> }</font> - -<font color="#ff0000"> </font><font color="#7bc710">setxy()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> _</font><font color="#F3E651">.</font><font color="#ff0000">x</font><font color="#F3E651">=</font><font color="#ff0000">$1</font><font color="#F3E651">;</font><font color="#ff0000"> _</font><font color="#F3E651">.</font><font color="#ff0000">y</font><font color="#F3E651">=</font><font color="#ff0000">$2</font> -<font color="#ff0000"> }</font> - -<font color="#ff0000"> </font><font color="#7bc710">getxy()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> print -r </font><font color="#bb00ff">"(${_.x},${_.y})"</font> -<font color="#ff0000"> }</font> -<font color="#F3E651">)</font> -<font color="#ff0000"> </font> -<font color="#ff0000">Point_t point</font> -<font color="#ff0000"> </font> -<font color="#ff0000">echo </font><font color="#bb00ff">"Initial coordinates are (${point.x},${point.y}). Color is ${point.color}"</font> -<font color="#ff0000"> </font> -<font color="#ff0000">point</font><font color="#F3E651">.</font><font color="#ff0000">setxy </font><font color="#bb00ff">5</font><font color="#ff0000"> </font><font color="#bb00ff">6</font> -<font color="#ff0000">point</font><font color="#F3E651">.</font><font color="#ff0000">setcolor blue</font> -<font color="#ff0000"> </font> -<font color="#ff0000">echo </font><font color="#bb00ff">"New coordinates are ${point.getxy}. Color is ${point.getcolor}"</font> -<font color="#ff0000"> </font> -<b><font color="#ffffff">exit</font></b><font color="#ff0000"> </font><font color="#bb00ff">0</font> +<pre><i><font color="silver">#!/usr/bin/ksh93</font></i> + +<b><u><font color="#000000">typeset</font></u></b> -T Point_t=( + integer -h <font color="#808080">'x coordinate'</font> x=<font color="#000000">0</font> + integer -h <font color="#808080">'y coordinate'</font> y=<font color="#000000">0</font> + <b><u><font color="#000000">typeset</font></u></b> -h <font color="#808080">'point color'</font> color=<font color="#808080">"red"</font> + + function getcolor { + print -r ${_.color} + } + + function setcolor { + _.color=$1 + } + + setxy() { + _.x=$1; _.y=$2 + } + + getxy() { + print -r <font color="#808080">"(${_.x},${_.y})"</font> + } +) + +Point_t point + +echo <font color="#808080">"Initial coordinates are (${point.x},${point.y}). Color is ${point.color}"</font> + +point.setxy <font color="#000000">5</font> <font color="#000000">6</font> +point.setcolor blue + +echo <font color="#808080">"New coordinates are ${point.getxy}. Color is ${point.getcolor}"</font> + +<b><u><font color="#000000">exit</font></u></b> <font color="#000000">0</font> </pre> <br /> <a class='textlink' href='https://blog.fpmurphy.com/2010/05/ksh93-using-types-to-create-object-orientated-scripts.html'>Using types to create object oriented Korn shell 93 scripts</a><br /> @@ -1688,18 +1688,18 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><b><font color="#ffffff">package</font></b><font color="#ff0000"> main</font> +<pre><b><u><font color="#000000">package</font></u></b> main -<b><font color="#ffffff">import</font></b><font color="#ff0000"> </font><font color="#bb00ff">"fmt"</font> +<b><u><font color="#000000">import</font></u></b> <font color="#808080">"fmt"</font> -<b><font color="#ffffff">func</font></b><font color="#ff0000"> </font><font color="#7bc710">main</font><font color="#F3E651">()</font><font color="#ff0000"> </font><font color="#F3E651">{</font> -<font color="#ff0000"> </font><b><font color="#ffffff">var</font></b><font color="#ff0000"> i int</font> -<font color="#ff0000"> f </font><font color="#F3E651">:=</font><font color="#ff0000"> </font><b><font color="#ffffff">func</font></b><font color="#F3E651">()</font><font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#ff0000">int </font><font color="#F3E651">{</font> -<font color="#ff0000"> </font><b><font color="#ffffff">return</font></b><font color="#ff0000"> </font><font color="#F3E651">&</font><font color="#ff0000">i</font> -<font color="#ff0000"> </font><font color="#F3E651">}</font> -<font color="#ff0000"> </font><font color="#F3E651">*</font><font color="#7bc710">f</font><font color="#F3E651">()++</font> -<font color="#ff0000"> fmt</font><font color="#F3E651">.</font><font color="#7bc710">Println</font><font color="#F3E651">(</font><font color="#ff0000">i</font><font color="#F3E651">)</font> -<font color="#F3E651">}</font> +<b><u><font color="#000000">func</font></u></b> main() { + <b><u><font color="#000000">var</font></u></b> i int + f := <b><u><font color="#000000">func</font></u></b>() *int { + <b><u><font color="#000000">return</font></u></b> &i + } + *f()++ + fmt.Println(i) +} </pre> <br /> <a class='textlink' href='https://go.dev/play/p/sPRdyDvXefK?__s=mk8u899owb9yurl256gw'>Go playground</a><br /> @@ -1950,13 +1950,13 @@ jgs `-=========-`() by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">tm</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">tl</font><font color="#F3E651">=</font><font color="#bb00ff">'tmux list-sessions'</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">tn</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#ff0000">new</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">ta</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#ff0000">attach</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">tx</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#ff0000">remote</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">ts</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#ff0000">search</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">tssh</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#ff0000">cluster_ssh</font> +<pre><b><u><font color="#000000">alias</font></u></b> tm=tmux +<b><u><font color="#000000">alias</font></u></b> tl=<font color="#808080">'tmux list-sessions'</font> +<b><u><font color="#000000">alias</font></u></b> tn=tmux::new +<b><u><font color="#000000">alias</font></u></b> ta=tmux::attach +<b><u><font color="#000000">alias</font></u></b> tx=tmux::remote +<b><u><font color="#000000">alias</font></u></b> ts=tmux::search +<b><u><font color="#000000">alias</font></u></b> tssh=tmux::cluster_ssh </pre> <br /> <span>Note all <span class='inlinecode'>tmux::...</span>; those are custom shell functions doing certain things, and they aren't part of the Tmux distribution. But let's run through every aliases one by one. </span><br /> @@ -1971,23 +1971,23 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab"># Create new session and if alread exists attach to it</font></i> -<font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#7bc710">new ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">readonly</font></b><font color="#ff0000"> </font><font color="#ff0000">session</font><font color="#F3E651">=</font><font color="#ff0000">$1</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> </font><font color="#ff0000">date</font><font color="#F3E651">=</font><font color="#ff0000">date</font> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> where gdate </font><font color="#F3E651">&></font><font color="#ff0000">/dev/null</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> </font><font color="#ff0000">date</font><font color="#F3E651">=</font><font color="#ff0000">gdate</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> - -<font color="#ff0000"> tmux</font><font color="#F3E651">::</font><font color="#ff0000">cleanup_default</font> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> -z </font><font color="#bb00ff">"$session"</font><font color="#ff0000"> </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> tmux</font><font color="#F3E651">::</font><font color="#ff0000">new T</font><font color="#ff0000">$($date</font><font color="#ff0000"> </font><font color="#F3E651">+%</font><font color="#ff0000">s</font><font color="#F3E651">)</font> -<font color="#ff0000"> </font><b><font color="#ffffff">else</font></b> -<font color="#ff0000"> tmux new-session -d -s </font><font color="#ff0000">$session</font> -<font color="#ff0000"> tmux -</font><font color="#bb00ff">2</font><font color="#ff0000"> attach-session -t </font><font color="#ff0000">$session</font><font color="#ff0000"> </font><font color="#F3E651">||</font><font color="#ff0000"> tmux -</font><font color="#bb00ff">2</font><font color="#ff0000"> switch-client -t </font><font color="#ff0000">$session</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> -<font color="#ff0000">}</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">tn</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#ff0000">new</font> +<pre><i><font color="silver"># Create new session and if alread exists attach to it</font></i> +tmux::new () { + <b><u><font color="#000000">readonly</font></u></b> session=$1 + <b><u><font color="#000000">local</font></u></b> date=date + <b><u><font color="#000000">if</font></u></b> where gdate &>/dev/null; <b><u><font color="#000000">then</font></u></b> + date=gdate + <b><u><font color="#000000">fi</font></u></b> + + tmux::cleanup_default + <b><u><font color="#000000">if</font></u></b> [ -z <font color="#808080">"$session"</font> ]; <b><u><font color="#000000">then</font></u></b> + tmux::new T$($date +%s) + <b><u><font color="#000000">else</font></u></b> + tmux new-session -d -s $session + tmux -<font color="#000000">2</font> attach-session -t $session || tmux -<font color="#000000">2</font> switch-client -t $session + <b><u><font color="#000000">fi</font></u></b> +} +<b><u><font color="#000000">alias</font></u></b> tn=tmux::new </pre> <br /> <span>There is a lot going on here. Let's have a detailed look at what it is doing. As a note, the function relies on GNU Date, so MacOS is looking for the <span class='inlinecode'>gdate</span> commands to be available. Otherwise, it will fall back to <span class='inlinecode'>date</span>. You need to install GNU Date for Mac, as it isn't installed by default there. As I use Fedora Linux on my personal Laptop and a MacBook for work, I have to make it work for both.</span><br /> @@ -2002,14 +2002,14 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#7bc710">cleanup_default ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> s</font> -<font color="#ff0000"> tmux list-sessions </font><font color="#F3E651">|</font><font color="#ff0000"> grep </font><font color="#bb00ff">'^T.*: '</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> grep -F -v attached </font><font color="#F3E651">|</font> -<font color="#ff0000"> cut -d</font><font color="#F3E651">:</font><font color="#ff0000"> -f</font><font color="#bb00ff">1</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> </font><b><font color="#ffffff">while</font></b><font color="#ff0000"> </font><b><font color="#ffffff">read</font></b><font color="#ff0000"> -r s</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">do</font></b> -<font color="#ff0000"> echo </font><font color="#bb00ff">"Killing $s"</font> -<font color="#ff0000"> tmux kill-session -t </font><font color="#bb00ff">"$s"</font> -<font color="#ff0000"> </font><b><font color="#ffffff">done</font></b> -<font color="#ff0000">}</font> +<pre>tmux::cleanup_default () { + <b><u><font color="#000000">local</font></u></b> s + tmux list-sessions | grep <font color="#808080">'^T.*: '</font> | grep -F -v attached | + cut -d: -f<font color="#000000">1</font> | <b><u><font color="#000000">while</font></u></b> <b><u><font color="#000000">read</font></u></b> -r s; <b><u><font color="#000000">do</font></u></b> + echo <font color="#808080">"Killing $s"</font> + tmux kill-session -t <font color="#808080">"$s"</font> + <b><u><font color="#000000">done</font></u></b> +} </pre> <br /> <span>The cleanup function kills all open Tmux sessions that haven't been renamed properly yet—but only if they aren't attached (e.g., don't run in the foreground in any terminal). Cleaning them up automatically keeps my Tmux sessions as neat and tidy as possible. </span><br /> @@ -2026,16 +2026,16 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#7bc710">attach ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">readonly</font></b><font color="#ff0000"> </font><font color="#ff0000">session</font><font color="#F3E651">=</font><font color="#ff0000">$1</font> - -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> -z </font><font color="#bb00ff">"$session"</font><font color="#ff0000"> </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> tmux attach-session </font><font color="#F3E651">||</font><font color="#ff0000"> tmux</font><font color="#F3E651">::</font><font color="#ff0000">new</font> -<font color="#ff0000"> </font><b><font color="#ffffff">else</font></b> -<font color="#ff0000"> tmux attach-session -t </font><font color="#ff0000">$session</font><font color="#ff0000"> </font><font color="#F3E651">||</font><font color="#ff0000"> tmux</font><font color="#F3E651">::</font><font color="#ff0000">new </font><font color="#ff0000">$session</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> -<font color="#ff0000">}</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">ta</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#ff0000">attach</font> +<pre>tmux::attach () { + <b><u><font color="#000000">readonly</font></u></b> session=$1 + + <b><u><font color="#000000">if</font></u></b> [ -z <font color="#808080">"$session"</font> ]; <b><u><font color="#000000">then</font></u></b> + tmux attach-session || tmux::new + <b><u><font color="#000000">else</font></u></b> + tmux attach-session -t $session || tmux::new $session + <b><u><font color="#000000">fi</font></u></b> +} +<b><u><font color="#000000">alias</font></u></b> ta=tmux::attach </pre> <br /> <span>If no session is specified (as the argument of the function), it will try to attach to the first open session. If no Tmux server is running, it will create a new one with <span class='inlinecode'>tmux::new</span>. Otherwise, with a session name given as the argument, it will attach to it. If unsuccessful (e.g., the session doesn't exist), it will be created and attached to.</span><br /> @@ -2048,12 +2048,12 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#7bc710">remote ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">readonly</font></b><font color="#ff0000"> </font><font color="#ff0000">server</font><font color="#F3E651">=</font><font color="#ff0000">$1</font> -<font color="#ff0000"> tmux new -s </font><font color="#ff0000">$server</font><font color="#ff0000"> </font><font color="#bb00ff">"ssh -t $server 'tmux attach-session || tmux'"</font><font color="#ff0000"> </font><font color="#F3E651">||</font><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> tmux attach-session -d -t </font><font color="#ff0000">$server</font> -<font color="#ff0000">}</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">tr</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#ff0000">remote</font> +<pre>tmux::remote () { + <b><u><font color="#000000">readonly</font></u></b> server=$1 + tmux new -s $server <font color="#808080">"ssh -t $server 'tmux attach-session || tmux'"</font> || \ + tmux attach-session -d -t $server +} +<b><u><font color="#000000">alias</font></u></b> tr=tmux::remote </pre> <br /> <h3 style='display: inline' id='change-of-the-tmux-prefix-for-better-nesting'>Change of the Tmux prefix for better nesting</h3><br /> @@ -2076,15 +2076,15 @@ set-option -g prefix C-g by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#7bc710">search ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">session</font><font color="#F3E651">=</font><font color="#ff0000">$(</font><font color="#ff0000">tmux list-sessions </font><font color="#F3E651">|</font><font color="#ff0000"> fzf </font><font color="#F3E651">|</font><font color="#ff0000"> cut -d</font><font color="#F3E651">:</font><font color="#ff0000"> -f</font><font color="#bb00ff">1</font><font color="#F3E651">)</font> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> -z </font><font color="#bb00ff">"$TMUX"</font><font color="#ff0000"> </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> tmux attach-session -t </font><font color="#ff0000">$session</font> -<font color="#ff0000"> </font><b><font color="#ffffff">else</font></b> -<font color="#ff0000"> tmux switch -t </font><font color="#ff0000">$session</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> -<font color="#ff0000">}</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">ts</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#ff0000">search</font> +<pre>tmux::search () { + <b><u><font color="#000000">local</font></u></b> -r session=$(tmux list-sessions | fzf | cut -d: -f<font color="#000000">1</font>) + <b><u><font color="#000000">if</font></u></b> [ -z <font color="#808080">"$TMUX"</font> ]; <b><u><font color="#000000">then</font></u></b> + tmux attach-session -t $session + <b><u><font color="#000000">else</font></u></b> + tmux switch -t $session + <b><u><font color="#000000">fi</font></u></b> +} +<b><u><font color="#000000">alias</font></u></b> ts=tmux::search </pre> <br /> <span>All it does is list all currently open sessions in <span class='inlinecode'>fzf</span>, where one of them can be searched and selected through fuzzy find, and then either switch (if already inside a session) to the other session or attach to the other session (if not yet in Tmux).</span><br /> @@ -2111,15 +2111,15 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#7bc710">cluster_ssh ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> -f </font><font color="#bb00ff">"$1"</font><font color="#ff0000"> </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> tmux</font><font color="#F3E651">::</font><font color="#ff0000">tssh_from_file </font><font color="#ff0000">$1</font> -<font color="#ff0000"> </font><b><font color="#ffffff">return</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> +<pre>tmux::cluster_ssh () { + <b><u><font color="#000000">if</font></u></b> [ -f <font color="#808080">"$1"</font> ]; <b><u><font color="#000000">then</font></u></b> + tmux::tssh_from_file $1 + <b><u><font color="#000000">return</font></u></b> + <b><u><font color="#000000">fi</font></u></b> -<font color="#ff0000"> tmux</font><font color="#F3E651">::</font><font color="#ff0000">tssh_from_argument </font><font color="#ff0000">$@</font> -<font color="#ff0000">}</font> -<b><font color="#ffffff">alias</font></b><font color="#ff0000"> </font><font color="#ff0000">tssh</font><font color="#F3E651">=</font><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#ff0000">cluster_ssh</font> + tmux::tssh_from_argument $@ +} +<b><u><font color="#000000">alias</font></u></b> tssh=tmux::cluster_ssh </pre> <br /> <span>This function is just a wrapper around the more complex <span class='inlinecode'>tmux::tssh_from_file</span> and <span class='inlinecode'>tmux::tssh_from_argument</span> functions, as you have learned already. Most of the magic happens there.</span><br /> @@ -2132,23 +2132,23 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#7bc710">tssh_from_argument ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">session</font><font color="#F3E651">=</font><font color="#ff0000">$1</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">shift</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> </font><font color="#ff0000">first_server</font><font color="#F3E651">=</font><font color="#ff0000">$1</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">shift</font></b> - -<font color="#ff0000"> tmux new-session -d -s </font><font color="#ff0000">$session</font><font color="#ff0000"> </font><font color="#bb00ff">"ssh -t $first_server"</font> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">!</font><font color="#ff0000"> tmux list-session </font><font color="#F3E651">|</font><font color="#ff0000"> grep </font><font color="#bb00ff">"^$session:"</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> echo </font><font color="#bb00ff">"Could not create session $session"</font> -<font color="#ff0000"> </font><b><font color="#ffffff">return</font></b><font color="#ff0000"> </font><font color="#bb00ff">2</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> - -<font color="#ff0000"> </font><b><font color="#ffffff">for</font></b><font color="#ff0000"> server </font><b><font color="#ffffff">in</font></b><font color="#ff0000"> </font><font color="#bb00ff">"${@[@]}"</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">do</font></b> -<font color="#ff0000"> tmux split-window -t </font><font color="#ff0000">$session</font><font color="#ff0000"> </font><font color="#bb00ff">"tmux select-layout tiled; ssh -t $server"</font> -<font color="#ff0000"> </font><b><font color="#ffffff">done</font></b> - -<font color="#ff0000"> tmux setw -t </font><font color="#ff0000">$session</font><font color="#ff0000"> synchronize-panes on</font> -<font color="#ff0000"> tmux -</font><font color="#bb00ff">2</font><font color="#ff0000"> attach-session -t </font><font color="#ff0000">$session</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> tmux -</font><font color="#bb00ff">2</font><font color="#ff0000"> switch-client -t </font><font color="#ff0000">$session</font> -<font color="#ff0000">}</font> +<pre>tmux::tssh_from_argument () { + <b><u><font color="#000000">local</font></u></b> -r session=$1; <b><u><font color="#000000">shift</font></u></b> + <b><u><font color="#000000">local</font></u></b> first_server=$1; <b><u><font color="#000000">shift</font></u></b> + + tmux new-session -d -s $session <font color="#808080">"ssh -t $first_server"</font> + <b><u><font color="#000000">if</font></u></b> ! tmux list-session | grep <font color="#808080">"^$session:"</font>; <b><u><font color="#000000">then</font></u></b> + echo <font color="#808080">"Could not create session $session"</font> + <b><u><font color="#000000">return</font></u></b> <font color="#000000">2</font> + <b><u><font color="#000000">fi</font></u></b> + + <b><u><font color="#000000">for</font></u></b> server <b><u><font color="#000000">in</font></u></b> <font color="#808080">"${@[@]}"</font>; <b><u><font color="#000000">do</font></u></b> + tmux split-window -t $session <font color="#808080">"tmux select-layout tiled; ssh -t $server"</font> + <b><u><font color="#000000">done</font></u></b> + + tmux setw -t $session synchronize-panes on + tmux -<font color="#000000">2</font> attach-session -t $session | tmux -<font color="#000000">2</font> switch-client -t $session +} </pre> <br /> <span>It expects at least two arguments. The first argument is the session name to create for the clustered SSH session. All other arguments are server hostnames or FQDNs to which to connect. The first one is used to make the initial session. All remaining ones are added to that session with <span class='inlinecode'>tmux split-window -t $session...</span>. At the end, we enable synchronized panes by default, so whenever you type, the commands will be sent to every SSH connection, thus allowing the neat ClusterSSH feature to run commands on multiple servers simultaneously. Once done, we attach (or switch, if already in Tmux) to it.</span><br /> @@ -2168,12 +2168,12 @@ bind-key P setw synchronize-panes on by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">tmux</font><font color="#F3E651">::</font><font color="#7bc710">tssh_from_file ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">serverlist</font><font color="#F3E651">=</font><font color="#ff0000">$1</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">shift</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">session</font><font color="#F3E651">=</font><font color="#ff0000">$(</font><font color="#ff0000">basename </font><font color="#ff0000">$serverlist</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> cut -d</font><font color="#F3E651">.</font><font color="#ff0000"> -f</font><font color="#bb00ff">1</font><font color="#F3E651">)</font> +<pre>tmux::tssh_from_file () { + <b><u><font color="#000000">local</font></u></b> -r serverlist=$1; <b><u><font color="#000000">shift</font></u></b> + <b><u><font color="#000000">local</font></u></b> -r session=$(basename $serverlist | cut -d. -f<font color="#000000">1</font>) -<font color="#ff0000"> tmux</font><font color="#F3E651">::</font><font color="#ff0000">tssh_from_argument </font><font color="#ff0000">$session</font><font color="#ff0000"> </font><font color="#ff0000">$(</font><font color="#ff0000">awk </font><font color="#bb00ff">'{ print $1} '</font><font color="#ff0000"> </font><font color="#ff0000">$serverlist</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> sed </font><font color="#bb00ff">'s/.lan./.lan/g'</font><font color="#F3E651">)</font> -<font color="#ff0000">}</font> + tmux::tssh_from_argument $session $(awk <font color="#808080">'{ print $1} '</font> $serverlist | sed <font color="#808080">'s/.lan./.lan/g'</font>) +} </pre> <br /> <h3 style='display: inline' id='tssh-examples'><span class='inlinecode'>tssh</span> examples</h3><br /> @@ -2521,12 +2521,12 @@ Art by Laura Brown by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">Cluster </font><font color="#F3E651">:</font><font color="#ff0000">UK</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#F3E651">:</font><font color="#ff0000">uk01 </font><b><font color="#ffffff">do</font></b> -<font color="#ff0000"> Customer</font><font color="#F3E651">.</font><font color="#ff0000">C1A1</font><font color="#F3E651">.</font><font color="#ff0000">segments</font><font color="#F3E651">.</font><font color="#ff0000">volumes</font><font color="#F3E651">.</font><font color="#ff0000">each </font><b><font color="#ffffff">do</font></b><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000">volume</font><font color="#F3E651">|</font> -<font color="#ff0000"> puts volume</font><font color="#F3E651">.</font><font color="#ff0000">usage_stats</font> -<font color="#ff0000"> volume</font><font color="#F3E651">.</font><font color="#ff0000">move_off! </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> volume</font><font color="#F3E651">.</font><font color="#ff0000">over_subscribed?</font> -<font color="#ff0000"> </font><b><font color="#ffffff">end</font></b> -<b><font color="#ffffff">end</font></b> +<pre>Cluster :UK, :uk01 <b><u><font color="#000000">do</font></u></b> + Customer.C1A1.segments.volumes.each <b><u><font color="#000000">do</font></u></b> |volume| + puts volume.usage_stats + volume.move_off! <b><u><font color="#000000">if</font></u></b> volume.over_subscribed? + <b><u><font color="#000000">end</font></u></b> +<b><u><font color="#000000">end</font></u></b> </pre> <br /> <span>I am abandoning this project because my workplace has stopped the annual pet project competition, and I have other more important projects to work on at the moment.</span><br /> @@ -2900,38 +2900,38 @@ _____|_:_:_| (o)-(o) |_:_:_|--'`-. ,--. ksh under-water (((\'/ by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/bin/ksh</font></i> - -<font color="#ff0000">ZONES_DIR</font><font color="#F3E651">=</font><font color="#ff0000">/var/nsd/zones/master</font><font color="#F3E651">/</font> -<font color="#ff0000">DEFAULT_MASTER</font><font color="#F3E651">=</font><font color="#ff0000">fishfinger</font><font color="#F3E651">.</font><font color="#ff0000">buetow</font><font color="#F3E651">.</font><font color="#ff0000">org</font> -<font color="#ff0000">DEFAULT_STANDBY</font><font color="#F3E651">=</font><font color="#ff0000">blowfish</font><font color="#F3E651">.</font><font color="#ff0000">buetow</font><font color="#F3E651">.</font><font color="#ff0000">org</font> - -<font color="#7bc710">determine_master_and_standby ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> </font><font color="#ff0000">master</font><font color="#F3E651">=</font><font color="#ff0000">$DEFAULT_MASTER</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> </font><font color="#ff0000">standby</font><font color="#F3E651">=</font><font color="#ff0000">$DEFAULT_STANDBY</font> - -<font color="#ff0000"> </font><font color="#F3E651">.</font> -<font color="#ff0000"> </font><font color="#F3E651">.</font> -<font color="#ff0000"> </font><font color="#F3E651">.</font> -<font color="#ff0000"> </font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -i </font><font color="#ff0000">health_ok</font><font color="#F3E651">=</font><font color="#bb00ff">1</font> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">!</font><font color="#ff0000"> ftp -</font><font color="#bb00ff">4</font><font color="#ff0000"> -o - https</font><font color="#F3E651">://</font><font color="#ff0000">$master</font><font color="#ff0000">/index</font><font color="#F3E651">.</font><font color="#ff0000">txt </font><font color="#F3E651">|</font><font color="#ff0000"> grep -q </font><font color="#bb00ff">"Welcome to $master"</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> echo </font><font color="#bb00ff">"https://$master/index.txt IPv4 health check failed"</font> -<font color="#ff0000"> </font><font color="#ff0000">health_ok</font><font color="#F3E651">=</font><font color="#bb00ff">0</font> -<font color="#ff0000"> </font><b><font color="#ffffff">elif</font></b><font color="#ff0000"> </font><font color="#F3E651">!</font><font color="#ff0000"> ftp -</font><font color="#bb00ff">6</font><font color="#ff0000"> -o - https</font><font color="#F3E651">://</font><font color="#ff0000">$master</font><font color="#ff0000">/index</font><font color="#F3E651">.</font><font color="#ff0000">txt </font><font color="#F3E651">|</font><font color="#ff0000"> grep -q </font><font color="#bb00ff">"Welcome to $master"</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> echo </font><font color="#bb00ff">"https://$master/index.txt IPv6 health check failed"</font> -<font color="#ff0000"> </font><font color="#ff0000">health_ok</font><font color="#F3E651">=</font><font color="#bb00ff">0</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#ff0000">$health_ok</font><font color="#ff0000"> -eq </font><font color="#bb00ff">0</font><font color="#ff0000"> </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> </font><font color="#ff0000">tmp</font><font color="#F3E651">=</font><font color="#ff0000">$master</font> -<font color="#ff0000"> </font><font color="#ff0000">master</font><font color="#F3E651">=</font><font color="#ff0000">$standby</font> -<font color="#ff0000"> </font><font color="#ff0000">standby</font><font color="#F3E651">=</font><font color="#ff0000">$tmp</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> - -<font color="#ff0000"> </font><font color="#F3E651">.</font> -<font color="#ff0000"> </font><font color="#F3E651">.</font> -<font color="#ff0000"> </font><font color="#F3E651">.</font> -<font color="#ff0000">}</font> +<pre><i><font color="silver">#!/bin/ksh</font></i> + +ZONES_DIR=/var/nsd/zones/master/ +DEFAULT_MASTER=fishfinger.buetow.org +DEFAULT_STANDBY=blowfish.buetow.org + +determine_master_and_standby () { + <b><u><font color="#000000">local</font></u></b> master=$DEFAULT_MASTER + <b><u><font color="#000000">local</font></u></b> standby=$DEFAULT_STANDBY + + . + . + . + + <b><u><font color="#000000">local</font></u></b> -i health_ok=<font color="#000000">1</font> + <b><u><font color="#000000">if</font></u></b> ! ftp -<font color="#000000">4</font> -o - https://$master/index.txt | grep -q <font color="#808080">"Welcome to $master"</font>; <b><u><font color="#000000">then</font></u></b> + echo <font color="#808080">"https://$master/index.txt IPv4 health check failed"</font> + health_ok=<font color="#000000">0</font> + <b><u><font color="#000000">elif</font></u></b> ! ftp -<font color="#000000">6</font> -o - https://$master/index.txt | grep -q <font color="#808080">"Welcome to $master"</font>; <b><u><font color="#000000">then</font></u></b> + echo <font color="#808080">"https://$master/index.txt IPv6 health check failed"</font> + health_ok=<font color="#000000">0</font> + <b><u><font color="#000000">fi</font></u></b> + <b><u><font color="#000000">if</font></u></b> [ $health_ok -eq <font color="#000000">0</font> ]; <b><u><font color="#000000">then</font></u></b> + <b><u><font color="#000000">local</font></u></b> tmp=$master + master=$standby + standby=$tmp + <b><u><font color="#000000">fi</font></u></b> + + . + . + . +} </pre> <br /> <span>The failover scripts looks for the <span class='inlinecode'> ; Enable failover</span> string in the DNS zone files and swaps the <span class='inlinecode'>A</span> and <span class='inlinecode'>AAAA</span> records of the DNS entries accordingly:</span><br /> @@ -2940,42 +2940,42 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">fishfinger$ grep failover /var/nsd/zones/master/foo</font><font color="#F3E651">.</font><font color="#ff0000">zone</font><font color="#F3E651">.</font><font color="#ff0000">zone</font> -<font color="#ff0000"> </font><font color="#bb00ff">300</font><font color="#ff0000"> IN A </font><font color="#bb00ff">46.23</font><font color="#F3E651">.</font><font color="#bb00ff">94.99</font><font color="#ff0000"> </font><font color="#F3E651">;</font><font color="#ff0000"> Enable failover</font> -<font color="#ff0000"> </font><font color="#bb00ff">300</font><font color="#ff0000"> IN AAAA 2a03</font><font color="#F3E651">:</font><font color="#bb00ff">6000</font><font color="#F3E651">:</font><font color="#ff0000">6f67</font><font color="#F3E651">:</font><font color="#bb00ff">624</font><font color="#F3E651">::</font><font color="#bb00ff">99</font><font color="#ff0000"> </font><font color="#F3E651">;</font><font color="#ff0000"> Enable failover</font> -<font color="#ff0000">www </font><font color="#bb00ff">300</font><font color="#ff0000"> IN A </font><font color="#bb00ff">46.23</font><font color="#F3E651">.</font><font color="#bb00ff">94.99</font><font color="#ff0000"> </font><font color="#F3E651">;</font><font color="#ff0000"> Enable failover</font> -<font color="#ff0000">www </font><font color="#bb00ff">300</font><font color="#ff0000"> IN AAAA 2a03</font><font color="#F3E651">:</font><font color="#bb00ff">6000</font><font color="#F3E651">:</font><font color="#ff0000">6f67</font><font color="#F3E651">:</font><font color="#bb00ff">624</font><font color="#F3E651">::</font><font color="#bb00ff">99</font><font color="#ff0000"> </font><font color="#F3E651">;</font><font color="#ff0000"> Enable failover</font> -<font color="#ff0000">standby </font><font color="#bb00ff">300</font><font color="#ff0000"> IN A </font><font color="#bb00ff">23.88</font><font color="#F3E651">.</font><font color="#bb00ff">35.144</font><font color="#ff0000"> </font><font color="#F3E651">;</font><font color="#ff0000"> Enable failover</font> -<font color="#ff0000">standby </font><font color="#bb00ff">300</font><font color="#ff0000"> IN AAAA 2a01</font><font color="#F3E651">:</font><font color="#ff0000">4f8</font><font color="#F3E651">:</font><font color="#ff0000">c17</font><font color="#F3E651">:</font><font color="#ff0000">20f1</font><font color="#F3E651">::</font><font color="#bb00ff">42</font><font color="#ff0000"> </font><font color="#F3E651">;</font><font color="#ff0000"> Enable failover</font> +<pre>fishfinger$ grep failover /var/nsd/zones/master/foo.zone.zone + <font color="#000000">300</font> IN A <font color="#000000">46.23</font>.<font color="#000000">94.99</font> ; Enable failover + <font color="#000000">300</font> IN AAAA 2a03:<font color="#000000">6000</font>:6f67:<font color="#000000">624</font>::<font color="#000000">99</font> ; Enable failover +www <font color="#000000">300</font> IN A <font color="#000000">46.23</font>.<font color="#000000">94.99</font> ; Enable failover +www <font color="#000000">300</font> IN AAAA 2a03:<font color="#000000">6000</font>:6f67:<font color="#000000">624</font>::<font color="#000000">99</font> ; Enable failover +standby <font color="#000000">300</font> IN A <font color="#000000">23.88</font>.<font color="#000000">35.144</font> ; Enable failover +standby <font color="#000000">300</font> IN AAAA 2a01:4f8:c17:20f1::<font color="#000000">42</font> ; Enable failover </pre> <br /> <!-- Generator: GNU source-highlight 3.1.9 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#7bc710">transform ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> sed -E </font><font color="#bb00ff">'</font> -<font color="#bb00ff"> /IN A .*; Enable failover/ {</font> -<font color="#bb00ff"> /^standby/! {</font> -<font color="#bb00ff"> s/^(.*) 300 IN A (.*) ; (.*)/</font><font color="#ffffff">\1</font><font color="#bb00ff"> 300 IN A '</font><font color="#ff0000">$(</font><font color="#ff0000">cat /var/nsd/run/master_a</font><font color="#F3E651">)</font><font color="#bb00ff">' ; </font><font color="#ffffff">\3</font><font color="#bb00ff">/;</font> -<font color="#bb00ff"> }</font> -<font color="#bb00ff"> /^standby/ {</font> -<font color="#bb00ff"> s/^(.*) 300 IN A (.*) ; (.*)/</font><font color="#ffffff">\1</font><font color="#bb00ff"> 300 IN A '</font><font color="#ff0000">$(</font><font color="#ff0000">cat /var/nsd/run/standby_a</font><font color="#F3E651">)</font><font color="#bb00ff">' ; </font><font color="#ffffff">\3</font><font color="#bb00ff">/;</font> -<font color="#bb00ff"> }</font> -<font color="#bb00ff"> }</font> -<font color="#bb00ff"> /IN AAAA .*; Enable failover/ {</font> -<font color="#bb00ff"> /^standby/! {</font> -<font color="#bb00ff"> s/^(.*) 300 IN AAAA (.*) ; (.*)/</font><font color="#ffffff">\1</font><font color="#bb00ff"> 300 IN AAAA '</font><font color="#ff0000">$(</font><font color="#ff0000">cat /var/nsd/run/master_aaaa</font><font color="#F3E651">)</font><font color="#bb00ff">' ; </font><font color="#ffffff">\3</font><font color="#bb00ff">/;</font> -<font color="#bb00ff"> }</font> -<font color="#bb00ff"> /^standby/ {</font> -<font color="#bb00ff"> s/^(.*) 300 IN AAAA (.*) ; (.*)/</font><font color="#ffffff">\1</font><font color="#bb00ff"> 300 IN AAAA '</font><font color="#ff0000">$(</font><font color="#ff0000">cat /var/nsd/run/standby_aaaa</font><font color="#F3E651">)</font><font color="#bb00ff">' ; </font><font color="#ffffff">\3</font><font color="#bb00ff">/;</font> -<font color="#bb00ff"> }</font> -<font color="#bb00ff"> }</font> -<font color="#bb00ff"> / ; serial/ {</font> -<font color="#bb00ff"> s/^( +) ([0-9]+) .*; (.*)/</font><font color="#ffffff">\1</font><font color="#bb00ff"> '</font><font color="#ff0000">$(</font><font color="#ff0000">date </font><font color="#F3E651">+%</font><font color="#ff0000">s</font><font color="#F3E651">)</font><font color="#bb00ff">' ; </font><font color="#ffffff">\3</font><font color="#bb00ff">/;</font> -<font color="#bb00ff"> }</font> -<font color="#bb00ff"> '</font> -<font color="#ff0000">}</font> +<pre>transform () { + sed -E <font color="#808080">'</font> +<font color="#808080"> /IN A .*; Enable failover/ {</font> +<font color="#808080"> /^standby/! {</font> +<font color="#808080"> s/^(.*) 300 IN A (.*) ; (.*)/</font>\1<font color="#808080"> 300 IN A '</font>$(cat /var/nsd/run/master_a)<font color="#808080">' ; </font>\3<font color="#808080">/;</font> +<font color="#808080"> }</font> +<font color="#808080"> /^standby/ {</font> +<font color="#808080"> s/^(.*) 300 IN A (.*) ; (.*)/</font>\1<font color="#808080"> 300 IN A '</font>$(cat /var/nsd/run/standby_a)<font color="#808080">' ; </font>\3<font color="#808080">/;</font> +<font color="#808080"> }</font> +<font color="#808080"> }</font> +<font color="#808080"> /IN AAAA .*; Enable failover/ {</font> +<font color="#808080"> /^standby/! {</font> +<font color="#808080"> s/^(.*) 300 IN AAAA (.*) ; (.*)/</font>\1<font color="#808080"> 300 IN AAAA '</font>$(cat /var/nsd/run/master_aaaa)<font color="#808080">' ; </font>\3<font color="#808080">/;</font> +<font color="#808080"> }</font> +<font color="#808080"> /^standby/ {</font> +<font color="#808080"> s/^(.*) 300 IN AAAA (.*) ; (.*)/</font>\1<font color="#808080"> 300 IN AAAA '</font>$(cat /var/nsd/run/standby_aaaa)<font color="#808080">' ; </font>\3<font color="#808080">/;</font> +<font color="#808080"> }</font> +<font color="#808080"> }</font> +<font color="#808080"> / ; serial/ {</font> +<font color="#808080"> s/^( +) ([0-9]+) .*; (.*)/</font>\1<font color="#808080"> '</font>$(date +%s)<font color="#808080">' ; </font>\3<font color="#808080">/;</font> +<font color="#808080"> }</font> +<font color="#808080"> '</font> +} </pre> <br /> <span>After the failover, the script reloads <span class='inlinecode'>nsd</span> and performs a sanity check to see if DNS still works. If not, a rollback will be performed:</span><br /> @@ -2984,48 +2984,48 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#! Race condition !#</font></i> -<font color="#ff0000"> </font> -<b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> -f </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">bak </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> mv </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">bak </font><font color="#ff0000">$zone_file</font> -<b><font color="#ffffff">fi</font></b> - -<font color="#ff0000">cat </font><font color="#ff0000">$zone_file</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> transform </font><font color="#F3E651">></font><font color="#ff0000"> </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">new</font><font color="#F3E651">.</font><font color="#ff0000">tmp </font> - -<font color="#ff0000">grep -v </font><font color="#bb00ff">' ; serial'</font><font color="#ff0000"> </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">new</font><font color="#F3E651">.</font><font color="#ff0000">tmp </font><font color="#F3E651">></font><font color="#ff0000"> </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">new</font><font color="#F3E651">.</font><font color="#ff0000">noserial</font><font color="#F3E651">.</font><font color="#ff0000">tmp</font> -<font color="#ff0000">grep -v </font><font color="#bb00ff">' ; serial'</font><font color="#ff0000"> </font><font color="#ff0000">$zone_file</font><font color="#ff0000"> </font><font color="#F3E651">></font><font color="#ff0000"> </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">old</font><font color="#F3E651">.</font><font color="#ff0000">noserial</font><font color="#F3E651">.</font><font color="#ff0000">tmp</font> - -<font color="#ff0000">echo </font><font color="#bb00ff">"Has zone $zone_file changed?"</font> -<b><font color="#ffffff">if</font></b><font color="#ff0000"> diff -u </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">old</font><font color="#F3E651">.</font><font color="#ff0000">noserial</font><font color="#F3E651">.</font><font color="#ff0000">tmp </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">new</font><font color="#F3E651">.</font><font color="#ff0000">noserial</font><font color="#F3E651">.</font><font color="#ff0000">tmp</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> echo </font><font color="#bb00ff">"The zone $zone_file hasn't changed"</font> -<font color="#ff0000"> rm </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.*.</font><font color="#ff0000">tmp</font> -<font color="#ff0000"> </font><b><font color="#ffffff">return</font></b><font color="#ff0000"> </font><font color="#bb00ff">0</font> -<b><font color="#ffffff">fi</font></b> - -<font color="#ff0000">cp </font><font color="#ff0000">$zone_file</font><font color="#ff0000"> </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">bak</font> -<font color="#ff0000">mv </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">new</font><font color="#F3E651">.</font><font color="#ff0000">tmp </font><font color="#ff0000">$zone_file</font> -<font color="#ff0000">rm </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.*.</font><font color="#ff0000">tmp</font> -<font color="#ff0000">echo </font><font color="#bb00ff">"Reloading nsd"</font> -<font color="#ff0000">nsd-control reload</font> - -<b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">!</font><font color="#ff0000"> zone_is_ok </font><font color="#ff0000">$zone</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> echo </font><font color="#bb00ff">"Rolling back $zone_file changes"</font> -<font color="#ff0000"> cp </font><font color="#ff0000">$zone_file</font><font color="#ff0000"> </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">invalid</font> -<font color="#ff0000"> mv </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">bak </font><font color="#ff0000">$zone_file</font> -<font color="#ff0000"> echo </font><font color="#bb00ff">"Reloading nsd"</font> -<font color="#ff0000"> nsd-control reload</font> -<font color="#ff0000"> zone_is_ok </font><font color="#ff0000">$zone</font> -<font color="#ff0000"> </font><b><font color="#ffffff">return</font></b><font color="#ff0000"> </font><font color="#bb00ff">3</font> -<b><font color="#ffffff">fi</font></b> - -<b><font color="#ffffff">for</font></b><font color="#ff0000"> cleanup </font><b><font color="#ffffff">in</font></b><font color="#ff0000"> invalid bak</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">do</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> -f </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">$cleanup</font><font color="#ff0000"> </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> rm </font><font color="#ff0000">$zone_file</font><font color="#F3E651">.</font><font color="#ff0000">$cleanup</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> -<b><font color="#ffffff">done</font></b> - -<font color="#ff0000">echo </font><font color="#bb00ff">"Failover of zone $zone to $MASTER completed"</font> -<b><font color="#ffffff">return</font></b><font color="#ff0000"> </font><font color="#bb00ff">1</font> +<pre><i><font color="silver">#! Race condition !#</font></i> + +<b><u><font color="#000000">if</font></u></b> [ -f $zone_file.bak ]; <b><u><font color="#000000">then</font></u></b> + mv $zone_file.bak $zone_file +<b><u><font color="#000000">fi</font></u></b> + +cat $zone_file | transform > $zone_file.new.tmp + +grep -v <font color="#808080">' ; serial'</font> $zone_file.new.tmp > $zone_file.new.noserial.tmp +grep -v <font color="#808080">' ; serial'</font> $zone_file > $zone_file.old.noserial.tmp + +echo <font color="#808080">"Has zone $zone_file changed?"</font> +<b><u><font color="#000000">if</font></u></b> diff -u $zone_file.old.noserial.tmp $zone_file.new.noserial.tmp; <b><u><font color="#000000">then</font></u></b> + echo <font color="#808080">"The zone $zone_file hasn't changed"</font> + rm $zone_file.*.tmp + <b><u><font color="#000000">return</font></u></b> <font color="#000000">0</font> +<b><u><font color="#000000">fi</font></u></b> + +cp $zone_file $zone_file.bak +mv $zone_file.new.tmp $zone_file +rm $zone_file.*.tmp +echo <font color="#808080">"Reloading nsd"</font> +nsd-control reload + +<b><u><font color="#000000">if</font></u></b> ! zone_is_ok $zone; <b><u><font color="#000000">then</font></u></b> + echo <font color="#808080">"Rolling back $zone_file changes"</font> + cp $zone_file $zone_file.invalid + mv $zone_file.bak $zone_file + echo <font color="#808080">"Reloading nsd"</font> + nsd-control reload + zone_is_ok $zone + <b><u><font color="#000000">return</font></u></b> <font color="#000000">3</font> +<b><u><font color="#000000">fi</font></u></b> + +<b><u><font color="#000000">for</font></u></b> cleanup <b><u><font color="#000000">in</font></u></b> invalid bak; <b><u><font color="#000000">do</font></u></b> + <b><u><font color="#000000">if</font></u></b> [ -f $zone_file.$cleanup ]; <b><u><font color="#000000">then</font></u></b> + rm $zone_file.$cleanup + <b><u><font color="#000000">fi</font></u></b> +<b><u><font color="#000000">done</font></u></b> + +echo <font color="#808080">"Failover of zone $zone to $MASTER completed"</font> +<b><u><font color="#000000">return</font></u></b> <font color="#000000">1</font> </pre> <br /> <span>A non-zero return code (here, 3 when a rollback and 1 when a DNS failover was performed) will cause CRON to send an E-Mail with the whole script output.</span><br /> @@ -3082,13 +3082,13 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab"># Weekly auto-failover for Let's Encrypt automation</font></i> -<b><font color="#ffffff">local</font></b><font color="#ff0000"> -i -r </font><font color="#ff0000">week_of_the_year</font><font color="#F3E651">=</font><font color="#ff0000">$(</font><font color="#ff0000">date </font><font color="#F3E651">+%</font><font color="#ff0000">U</font><font color="#F3E651">)</font> -<b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#ff0000">$(</font><font color="#F3E651">(</font><font color="#ff0000"> week_of_the_year </font><font color="#F3E651">%</font><font color="#ff0000"> </font><font color="#bb00ff">2</font><font color="#ff0000"> </font><font color="#F3E651">))</font><font color="#ff0000"> -eq </font><font color="#bb00ff">0</font><font color="#ff0000"> </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> </font><font color="#ff0000">tmp</font><font color="#F3E651">=</font><font color="#ff0000">$master</font> -<font color="#ff0000"> </font><font color="#ff0000">master</font><font color="#F3E651">=</font><font color="#ff0000">$standby</font> -<font color="#ff0000"> </font><font color="#ff0000">standby</font><font color="#F3E651">=</font><font color="#ff0000">$tmp</font> -<b><font color="#ffffff">fi</font></b> +<pre><i><font color="silver"># Weekly auto-failover for Let's Encrypt automation</font></i> +<b><u><font color="#000000">local</font></u></b> -i -r week_of_the_year=$(date +%U) +<b><u><font color="#000000">if</font></u></b> [ $(( week_of_the_year % <font color="#000000">2</font> )) -eq <font color="#000000">0</font> ]; <b><u><font color="#000000">then</font></u></b> + <b><u><font color="#000000">local</font></u></b> tmp=$master + master=$standby + standby=$tmp +<b><u><font color="#000000">fi</font></u></b> </pre> <br /> <span>This way, a DNS failover is performed weekly so that the ACME automation can update the Let's Encrypt certificates (for master and standby) before they expire on each VM.</span><br /> @@ -3462,8 +3462,8 @@ SSFISHKISSFISHKISSFISHKISSFISHKIS SFIS by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">$ doas installboot sd0 </font><i><font color="#ababab"># Update the bootloader (not for every upgrade required)</font></i> -<font color="#ff0000">$ doas sysupgrade </font><i><font color="#ababab"># Update all binaries (including Kernel)</font></i> +<pre>$ doas installboot sd0 <i><font color="silver"># Update the bootloader (not for every upgrade required)</font></i> +$ doas sysupgrade <i><font color="silver"># Update all binaries (including Kernel)</font></i> </pre> <br /> <span><span class='inlinecode'>sysupgrade</span> downloaded and upgraded to the next release and rebooted the system. After the reboot, I run:</span><br /> @@ -3472,9 +3472,9 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">$ doas sysmerge </font><i><font color="#ababab"># Update system configuration files</font></i> -<font color="#ff0000">$ doas pkg_add -u </font><i><font color="#ababab"># Update all packages</font></i> -<font color="#ff0000">$ doas reboot </font><i><font color="#ababab"># Just in case, reboot one more time</font></i> +<pre>$ doas sysmerge <i><font color="silver"># Update system configuration files</font></i> +$ doas pkg_add -u <i><font color="silver"># Update all packages</font></i> +$ doas reboot <i><font color="silver"># Just in case, reboot one more time</font></i> </pre> <br /> <span>That's it! Took me around 5 minutes in total! No issues, only these few comands, only 5 minutes! It just works! No problems, no conflicts, no tons (actually none) config file merge conflicts.</span><br /> @@ -3640,24 +3640,24 @@ jgs^^^^^^^`^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/env bash</font></i> +<pre><i><font color="silver">#!/usr/bin/env bash</font></i> -<font color="#7bc710">log ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">level</font><font color="#F3E651">=</font><font color="#bb00ff">"$1"</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">shift</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">message</font><font color="#F3E651">=</font><font color="#bb00ff">"$1"</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">shift</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -i </font><font color="#ff0000">pid</font><font color="#F3E651">=</font><font color="#bb00ff">"$$"</font> +log () { + <b><u><font color="#000000">local</font></u></b> -r level=<font color="#808080">"$1"</font>; <b><u><font color="#000000">shift</font></u></b> + <b><u><font color="#000000">local</font></u></b> -r message=<font color="#808080">"$1"</font>; <b><u><font color="#000000">shift</font></u></b> + <b><u><font color="#000000">local</font></u></b> -i pid=<font color="#808080">"$$"</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">callee</font><font color="#F3E651">=</font><font color="#ff0000">${FUNCNAME[1]}</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">stamp</font><font color="#F3E651">=</font><font color="#ff0000">$(</font><font color="#ff0000">date </font><font color="#F3E651">+%</font><font color="#ff0000">Y</font><font color="#F3E651">%</font><font color="#ff0000">m</font><font color="#F3E651">%</font><font color="#ff0000">d-</font><font color="#F3E651">%</font><font color="#ff0000">H</font><font color="#F3E651">%</font><font color="#ff0000">M</font><font color="#F3E651">%</font><font color="#ff0000">S</font><font color="#F3E651">)</font> + <b><u><font color="#000000">local</font></u></b> -r callee=${FUNCNAME[1]} + <b><u><font color="#000000">local</font></u></b> -r stamp=$(date +%Y%m%d-%H%M%S) -<font color="#ff0000"> echo </font><font color="#bb00ff">"$level|$stamp|$pid|$callee|$message"</font><font color="#ff0000"> </font><font color="#F3E651">>&</font><font color="#bb00ff">2</font> -<font color="#ff0000">}</font> + echo <font color="#808080">"$level|$stamp|$pid|$callee|$message"</font> >&<font color="#000000">2</font> +} -<font color="#7bc710">at_home_friday_evening ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> log INFO </font><font color="#bb00ff">'One Peperoni Pizza, please'</font> -<font color="#ff0000">}</font> +at_home_friday_evening () { + log INFO <font color="#808080">'One Peperoni Pizza, please'</font> +} -<font color="#ff0000">at_home_friday_evening</font> +at_home_friday_evening </pre> <br /> <span>The output is as follows:</span><br /> @@ -3666,8 +3666,8 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">❯ </font><font color="#F3E651">.</font><font color="#ff0000">/logexample</font><font color="#F3E651">.</font><font color="#ff0000">sh</font> -<font color="#ff0000">INFO</font><font color="#F3E651">|</font><font color="#bb00ff">20231210</font><font color="#ff0000">-</font><font color="#bb00ff">082732</font><font color="#F3E651">|</font><font color="#bb00ff">123002</font><font color="#F3E651">|</font><font color="#ff0000">at_home_friday_evening</font><font color="#F3E651">|</font><font color="#ff0000">One Peperoni Pizza</font><font color="#F3E651">,</font><font color="#ff0000"> please</font> +<pre>❯ ./logexample.sh +INFO|<font color="#000000">20231210</font>-<font color="#000000">082732</font>|<font color="#000000">123002</font>|at_home_friday_evening|One Peperoni Pizza, please </pre> <br /> <h2 style='display: inline' id='--'><span class='inlinecode'>:(){ :|:& };:</span></h2><br /> @@ -3701,18 +3701,18 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/env bash</font></i> +<pre><i><font color="silver">#!/usr/bin/env bash</font></i> -<font color="#7bc710">outer()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><font color="#7bc710">inner()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> echo </font><font color="#bb00ff">'Intel inside!'</font> -<font color="#ff0000"> }</font> -<font color="#ff0000"> inner</font> -<font color="#ff0000">}</font> +outer() { + inner() { + echo <font color="#808080">'Intel inside!'</font> + } + inner +} -<font color="#ff0000">inner</font> -<font color="#ff0000">outer</font> -<font color="#ff0000">inner</font> +inner +outer +inner </pre> <br /> <span>And let's execute it:</span><br /> @@ -3730,26 +3730,26 @@ Intel inside! by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/env bash</font></i> +<pre><i><font color="silver">#!/usr/bin/env bash</font></i> -<font color="#7bc710">outer1()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><font color="#7bc710">inner()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> echo </font><font color="#bb00ff">'Intel inside!'</font> -<font color="#ff0000"> }</font> -<font color="#ff0000"> inner</font> -<font color="#ff0000">}</font> +outer1() { + inner() { + echo <font color="#808080">'Intel inside!'</font> + } + inner +} -<font color="#7bc710">outer2()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><font color="#7bc710">inner()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> echo </font><font color="#bb00ff">'Wintel inside!'</font> -<font color="#ff0000"> }</font> -<font color="#ff0000"> inner</font> -<font color="#ff0000">}</font> +outer2() { + inner() { + echo <font color="#808080">'Wintel inside!'</font> + } + inner +} -<font color="#ff0000">outer1</font> -<font color="#ff0000">inner</font> -<font color="#ff0000">outer2</font> -<font color="#ff0000">inner</font> +outer1 +inner +outer2 +inner </pre> <br /> <span>And let's run it:</span><br /> @@ -3770,14 +3770,14 @@ Wintel inside! by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/env bash</font></i> +<pre><i><font color="silver">#!/usr/bin/env bash</font></i> -<font color="#7bc710">some_expensive_operations()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> echo </font><font color="#bb00ff">"Doing expensive operations with '$1' from pid $$"</font> -<font color="#ff0000">}</font> +some_expensive_operations() { + echo <font color="#808080">"Doing expensive operations with '$1' from pid $$"</font> +} -<b><font color="#ffffff">for</font></b><font color="#ff0000"> i </font><b><font color="#ffffff">in</font></b><font color="#ff0000"> {</font><font color="#bb00ff">0</font><font color="#F3E651">..</font><font color="#bb00ff">9</font><font color="#ff0000">}</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">do</font></b><font color="#ff0000"> echo </font><font color="#ff0000">$i</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">done</font></b><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> xargs -P</font><font color="#bb00ff">10</font><font color="#ff0000"> -I{} bash -c </font><font color="#bb00ff">'some_expensive_operations "{}"'</font> +<b><u><font color="#000000">for</font></u></b> i <b><u><font color="#000000">in</font></u></b> {<font color="#000000">0</font>..<font color="#000000">9</font>}; <b><u><font color="#000000">do</font></u></b> echo $i; <b><u><font color="#000000">done</font></u></b> \ + | xargs -P<font color="#000000">10</font> -I{} bash -c <font color="#808080">'some_expensive_operations "{}"'</font> </pre> <br /> <span>We try here to run ten parallel processes; each of them should run the <span class='inlinecode'>some_expensive_operations</span> function with a different argument. The arguments are provided to <span class='inlinecode'>xargs</span> through <span class='inlinecode'>STDIN</span> one per line. When executed, we get this:</span><br /> @@ -3802,15 +3802,15 @@ bash: line 1: some_expensive_operations: command not found by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/env bash</font></i> +<pre><i><font color="silver">#!/usr/bin/env bash</font></i> -<font color="#7bc710">some_expensive_operations()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> echo </font><font color="#bb00ff">"Doing expensive operations with '$1' from pid $$"</font> -<font color="#ff0000">}</font> -<b><font color="#ffffff">export</font></b><font color="#ff0000"> -f some_expensive_operations</font> +some_expensive_operations() { + echo <font color="#808080">"Doing expensive operations with '$1' from pid $$"</font> +} +<b><u><font color="#000000">export</font></u></b> -f some_expensive_operations -<b><font color="#ffffff">for</font></b><font color="#ff0000"> i </font><b><font color="#ffffff">in</font></b><font color="#ff0000"> {</font><font color="#bb00ff">0</font><font color="#F3E651">..</font><font color="#bb00ff">9</font><font color="#ff0000">}</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">do</font></b><font color="#ff0000"> echo </font><font color="#ff0000">$i</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">done</font></b><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> xargs -P</font><font color="#bb00ff">10</font><font color="#ff0000"> -I{} bash -c </font><font color="#bb00ff">'some_expensive_operations "{}"'</font> +<b><u><font color="#000000">for</font></u></b> i <b><u><font color="#000000">in</font></u></b> {<font color="#000000">0</font>..<font color="#000000">9</font>}; <b><u><font color="#000000">do</font></u></b> echo $i; <b><u><font color="#000000">done</font></u></b> \ + | xargs -P<font color="#000000">10</font> -I{} bash -c <font color="#808080">'some_expensive_operations "{}"'</font> </pre> <br /> <span>When we run this now, we get:</span><br /> @@ -3835,19 +3835,19 @@ Doing expensive operations with '9' from pid 132840 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/env bash</font></i> +<pre><i><font color="silver">#!/usr/bin/env bash</font></i> -<font color="#7bc710">some_other_function()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> echo </font><font color="#bb00ff">"$1"</font> -<font color="#ff0000">}</font> +some_other_function() { + echo <font color="#808080">"$1"</font> +} -<font color="#7bc710">some_expensive_operations()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> some_other_function </font><font color="#bb00ff">"Doing expensive operations with '$1' from pid $$"</font> -<font color="#ff0000">}</font> -<b><font color="#ffffff">export</font></b><font color="#ff0000"> -f some_expensive_operations</font> +some_expensive_operations() { + some_other_function <font color="#808080">"Doing expensive operations with '$1' from pid $$"</font> +} +<b><u><font color="#000000">export</font></u></b> -f some_expensive_operations -<b><font color="#ffffff">for</font></b><font color="#ff0000"> i </font><b><font color="#ffffff">in</font></b><font color="#ff0000"> {</font><font color="#bb00ff">0</font><font color="#F3E651">..</font><font color="#bb00ff">9</font><font color="#ff0000">}</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">do</font></b><font color="#ff0000"> echo </font><font color="#ff0000">$i</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">done</font></b><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> xargs -P</font><font color="#bb00ff">10</font><font color="#ff0000"> -I{} bash -c </font><font color="#bb00ff">'some_expensive_operations "{}"'</font> +<b><u><font color="#000000">for</font></u></b> i <b><u><font color="#000000">in</font></u></b> {<font color="#000000">0</font>..<font color="#000000">9</font>}; <b><u><font color="#000000">do</font></u></b> echo $i; <b><u><font color="#000000">done</font></u></b> \ + | xargs -P<font color="#000000">10</font> -I{} bash -c <font color="#808080">'some_expensive_operations "{}"'</font> </pre> <br /> <span>... because <span class='inlinecode'>some_other_function</span> isn't exported! You will also need to add an <span class='inlinecode'>export -f some_other_function</span>!</span><br /> @@ -3860,22 +3860,22 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/env bash</font></i> +<pre><i><font color="silver">#!/usr/bin/env bash</font></i> -<font color="#7bc710">foo()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> </font><font color="#ff0000">foo</font><font color="#F3E651">=</font><font color="#ff0000">bar </font><i><font color="#ababab"># Declare local/dynamic variable</font></i> -<font color="#ff0000"> bar</font> -<font color="#ff0000"> echo </font><font color="#bb00ff">"$foo"</font> -<font color="#ff0000">}</font> +foo() { + <b><u><font color="#000000">local</font></u></b> foo=bar <i><font color="silver"># Declare local/dynamic variable</font></i> + bar + echo <font color="#808080">"$foo"</font> +} -<font color="#7bc710">bar()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> echo </font><font color="#bb00ff">"$foo"</font> -<font color="#ff0000"> </font><font color="#ff0000">foo</font><font color="#F3E651">=</font><font color="#ff0000">baz</font> -<font color="#ff0000">}</font> +bar() { + echo <font color="#808080">"$foo"</font> + foo=baz +} -<font color="#ff0000">foo</font><font color="#F3E651">=</font><font color="#ff0000">foo </font><i><font color="#ababab"># Declare global variable</font></i> -<font color="#ff0000">foo </font><i><font color="#ababab"># Call function foo</font></i> -<font color="#ff0000">echo </font><font color="#bb00ff">"$foo"</font> +foo=foo <i><font color="silver"># Declare global variable</font></i> +foo <i><font color="silver"># Call function foo</font></i> +echo <font color="#808080">"$foo"</font> </pre> <br /> <span>Let's pause a minute. What do you think the output would be?</span><br /> @@ -3900,34 +3900,34 @@ foo by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/env bash</font></i> +<pre><i><font color="silver">#!/usr/bin/env bash</font></i> -<b><font color="#ffffff">declare</font></b><font color="#ff0000"> -r </font><font color="#ff0000">foo</font><font color="#F3E651">=</font><font color="#ff0000">foo</font> -<b><font color="#ffffff">declare</font></b><font color="#ff0000"> -r </font><font color="#ff0000">bar</font><font color="#F3E651">=</font><font color="#ff0000">bar</font> +<b><u><font color="#000000">declare</font></u></b> -r foo=foo +<b><u><font color="#000000">declare</font></u></b> -r bar=bar -<b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#bb00ff">"$foo"</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> foo </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#bb00ff">"$bar"</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> bar </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> echo ok1</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> -<b><font color="#ffffff">fi</font></b> +<b><u><font color="#000000">if</font></u></b> [ <font color="#808080">"$foo"</font> = foo ]; <b><u><font color="#000000">then</font></u></b> + <b><u><font color="#000000">if</font></u></b> [ <font color="#808080">"$bar"</font> = bar ]; <b><u><font color="#000000">then</font></u></b> + echo ok1 + <b><u><font color="#000000">fi</font></u></b> +<b><u><font color="#000000">fi</font></u></b> -<b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#bb00ff">"$foo"</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> foo </font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">&&</font><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#bb00ff">"$bar"</font><font color="#ff0000"> </font><font color="#F3E651">==</font><font color="#ff0000"> bar </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> echo ok2a</font> -<b><font color="#ffffff">fi</font></b> +<b><u><font color="#000000">if</font></u></b> [ <font color="#808080">"$foo"</font> = foo ] && [ <font color="#808080">"$bar"</font> == bar ]; <b><u><font color="#000000">then</font></u></b> + echo ok2a +<b><u><font color="#000000">fi</font></u></b> -<font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#bb00ff">"$foo"</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> foo </font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">&&</font><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#bb00ff">"$bar"</font><font color="#ff0000"> </font><font color="#F3E651">==</font><font color="#ff0000"> bar </font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">&&</font><font color="#ff0000"> echo ok2b</font> +[ <font color="#808080">"$foo"</font> = foo ] && [ <font color="#808080">"$bar"</font> == bar ] && echo ok2b -<b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[[</font><font color="#ff0000"> </font><font color="#bb00ff">"$foo"</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> foo </font><font color="#F3E651">&&</font><font color="#ff0000"> </font><font color="#bb00ff">"$bar"</font><font color="#ff0000"> </font><font color="#F3E651">==</font><font color="#ff0000"> bar </font><font color="#F3E651">]];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> echo ok3a</font> -<b><font color="#ffffff">fi</font></b> +<b><u><font color="#000000">if</font></u></b> [[ <font color="#808080">"$foo"</font> = foo && <font color="#808080">"$bar"</font> == bar ]]; <b><u><font color="#000000">then</font></u></b> + echo ok3a +<b><u><font color="#000000">fi</font></u></b> -<font color="#ff0000"> </font><font color="#F3E651">[[</font><font color="#ff0000"> </font><font color="#bb00ff">"$foo"</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> foo </font><font color="#F3E651">&&</font><font color="#ff0000"> </font><font color="#bb00ff">"$bar"</font><font color="#ff0000"> </font><font color="#F3E651">==</font><font color="#ff0000"> bar </font><font color="#F3E651">]]</font><font color="#ff0000"> </font><font color="#F3E651">&&</font><font color="#ff0000"> echo ok3b</font> + [[ <font color="#808080">"$foo"</font> = foo && <font color="#808080">"$bar"</font> == bar ]] && echo ok3b -<b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><b><font color="#ffffff">test</font></b><font color="#ff0000"> </font><font color="#bb00ff">"$foo"</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> foo </font><font color="#F3E651">&&</font><font color="#ff0000"> </font><b><font color="#ffffff">test</font></b><font color="#ff0000"> </font><font color="#bb00ff">"$bar"</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> bar</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> echo ok4a</font> -<b><font color="#ffffff">fi</font></b> +<b><u><font color="#000000">if</font></u></b> <b><u><font color="#000000">test</font></u></b> <font color="#808080">"$foo"</font> = foo && <b><u><font color="#000000">test</font></u></b> <font color="#808080">"$bar"</font> = bar; <b><u><font color="#000000">then</font></u></b> + echo ok4a +<b><u><font color="#000000">fi</font></u></b> -<b><font color="#ffffff">test</font></b><font color="#ff0000"> </font><font color="#bb00ff">"$foo"</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> foo </font><font color="#F3E651">&&</font><font color="#ff0000"> </font><b><font color="#ffffff">test</font></b><font color="#ff0000"> </font><font color="#bb00ff">"$bar"</font><font color="#ff0000"> </font><font color="#F3E651">=</font><font color="#ff0000"> bar </font><font color="#F3E651">&&</font><font color="#ff0000"> echo ok4b</font> +<b><u><font color="#000000">test</font></u></b> <font color="#808080">"$foo"</font> = foo && <b><u><font color="#000000">test</font></u></b> <font color="#808080">"$bar"</font> = bar && echo ok4b </pre> <br /> <span>The output we get is:</span><br /> @@ -3951,18 +3951,18 @@ ok4b by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/env bash</font></i> +<pre><i><font color="silver">#!/usr/bin/env bash</font></i> -<i><font color="#ababab"># Single line comment</font></i> +<i><font color="silver"># Single line comment</font></i> -<i><font color="#ababab"># These are two single line</font></i> -<i><font color="#ababab"># comments one after another</font></i> +<i><font color="silver"># These are two single line</font></i> +<i><font color="silver"># comments one after another</font></i> -<font color="#F3E651">:</font><font color="#ff0000"> </font><font color="#F3E651"><<</font><font color="#ff0000">COMMENT</font> -<font color="#ff0000">This is another way a</font> -<font color="#ff0000">multi line comment</font> -<font color="#ff0000">could be written</font><font color="#F3E651">!</font> -<font color="#ff0000">COMMENT</font> +: <<COMMENT +This is another way a +multi line comment +could be written! +COMMENT </pre> <br /> <span>I will not demonstrate the execution of this script, as it won't print anything! It's obviously not the most pretty way of commenting on your code, but it could sometimes be handy!</span><br /> @@ -3975,11 +3975,11 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">#!/usr/bin/env bash</font></i> +<pre><i><font color="silver">#!/usr/bin/env bash</font></i> -<font color="#ff0000">echo foo</font> -<font color="#ff0000">echo echo baz </font><font color="#F3E651">>></font><font color="#ff0000"> </font><font color="#ff0000">$0</font> -<font color="#ff0000">echo bar</font> +echo foo +echo echo baz >> $0 +echo bar </pre> <br /> <span>When it is run, it will do:</span><br /> @@ -4355,42 +4355,42 @@ photoalbum makemake by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> photoalbum makemake</font> -<font color="#ff0000">You may now customize </font><font color="#F3E651">.</font><font color="#ff0000">/photoalbumrc and run make</font> - -<font color="#F3E651">%</font><font color="#ff0000"> cat Makefile</font> -<font color="#ff0000">all</font><font color="#F3E651">:</font> -<font color="#ff0000"> photoalbum generate photoalbumrc</font> -<font color="#ff0000">clean</font><font color="#F3E651">:</font> -<font color="#ff0000"> photoalbum clean photoalbumrc</font> - -<font color="#F3E651">%</font><font color="#ff0000"> cat photoalbumrc</font> -<i><font color="#ababab"># The title of the photoalbum</font></i> -<font color="#ff0000">TITLE</font><font color="#F3E651">=</font><font color="#bb00ff">'A simple Photoalbum'</font> - -<i><font color="#ababab"># Thumbnail height geometry</font></i> -<font color="#ff0000">THUMBHEIGHT</font><font color="#F3E651">=</font><font color="#bb00ff">300</font> -<i><font color="#ababab"># Normal geometry height (when viewing photo). Uncomment, to keep original size.</font></i> -<font color="#ff0000">HEIGHT</font><font color="#F3E651">=</font><font color="#bb00ff">1200</font> -<i><font color="#ababab"># Max previews per page.</font></i> -<font color="#ff0000">MAXPREVIEWS</font><font color="#F3E651">=</font><font color="#bb00ff">40</font> -<i><font color="#ababab"># Randomly shuffle all previews.</font></i> -<i><font color="#ababab"># SHUFFLE=yes</font></i> - -<i><font color="#ababab"># Diverse directories, need to be full paths, not relative!</font></i> -<font color="#ff0000">INCOMING_DIR</font><font color="#F3E651">=</font><font color="#ff0000">$(pwd)</font><font color="#ff0000">/incoming</font> -<font color="#ff0000">DIST_DIR</font><font color="#F3E651">=</font><font color="#ff0000">$(pwd)</font><font color="#ff0000">/dist</font> -<font color="#ff0000">TEMPLATE_DIR</font><font color="#F3E651">=</font><font color="#ff0000">/usr/share/photoalbum/templates/default</font> -<i><font color="#ababab">#TEMPLATE_DIR=/usr/share/photoalbum/templates/minimal</font></i> - -<i><font color="#ababab"># Includes a .tar of the incoming dir in the dist, can be yes or no</font></i> -<font color="#ff0000">TARBALL_INCLUDE</font><font color="#F3E651">=</font><font color="#ff0000">yes</font> -<font color="#ff0000">TARBALL_SUFFIX</font><font color="#F3E651">=.</font><font color="#ff0000">tar</font> -<font color="#ff0000">TAR_OPTS</font><font color="#F3E651">=</font><font color="#bb00ff">'-c'</font> - -<i><font color="#ababab"># Some debugging options</font></i> -<i><font color="#ababab">#set -e</font></i> -<i><font color="#ababab">#set -x</font></i> +<pre>% photoalbum makemake +You may now customize ./photoalbumrc and run make + +% cat Makefile +all: + photoalbum generate photoalbumrc +clean: + photoalbum clean photoalbumrc + +% cat photoalbumrc +<i><font color="silver"># The title of the photoalbum</font></i> +TITLE=<font color="#808080">'A simple Photoalbum'</font> + +<i><font color="silver"># Thumbnail height geometry</font></i> +THUMBHEIGHT=<font color="#000000">300</font> +<i><font color="silver"># Normal geometry height (when viewing photo). Uncomment, to keep original size.</font></i> +HEIGHT=<font color="#000000">1200</font> +<i><font color="silver"># Max previews per page.</font></i> +MAXPREVIEWS=<font color="#000000">40</font> +<i><font color="silver"># Randomly shuffle all previews.</font></i> +<i><font color="silver"># SHUFFLE=yes</font></i> + +<i><font color="silver"># Diverse directories, need to be full paths, not relative!</font></i> +INCOMING_DIR=$(pwd)/incoming +DIST_DIR=$(pwd)/dist +TEMPLATE_DIR=/usr/share/photoalbum/templates/default +<i><font color="silver">#TEMPLATE_DIR=/usr/share/photoalbum/templates/minimal</font></i> + +<i><font color="silver"># Includes a .tar of the incoming dir in the dist, can be yes or no</font></i> +TARBALL_INCLUDE=yes +TARBALL_SUFFIX=.tar +TAR_OPTS=<font color="#808080">'-c'</font> + +<i><font color="silver"># Some debugging options</font></i> +<i><font color="silver">#set -e</font></i> +<i><font color="silver">#set -x</font></i> </pre> <br /> <span>In the case for <span class='inlinecode'>irregular.ninja</span>, I changed the defaults to the following:</span><br /> @@ -4399,38 +4399,38 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">--- photoalbumrc 2023-10-29 21:42:00.894202045 +0200</font> -<font color="#ff0000">+++ photoalbumrc.new 2023-06-04 10:40:08.030994440 +0300</font> -<font color="#ff0000">@@ -1,23 +1,24 @@</font> -<font color="#ff0000"> # The title of the photoalbum</font> -<font color="#ff0000">-TITLE='A simple Photoalbum'</font> -<font color="#ff0000">+TITLE='Irregular.Ninja'</font> - -<font color="#ff0000"> # Thumbnail height geometry</font> -<font color="#ff0000">-THUMBHEIGHT=300</font> -<font color="#ff0000">+THUMBHEIGHT=400</font> -<font color="#ff0000"> # Normal geometry height (when viewing photo). Uncomment, to keep original size.</font> -<font color="#ff0000">-HEIGHT=1200</font> -<font color="#ff0000">+HEIGHT=1800</font> -<font color="#ff0000"> # Max previews per page.</font> -<font color="#ff0000"> MAXPREVIEWS=40</font> -<font color="#ff0000">-# Randomly shuffle all previews.</font> -<font color="#ff0000">-# SHUFFLE=yes</font> -<font color="#ff0000">+# Randomly shuffle</font> -<font color="#ff0000">+SHUFFLE=yes</font> - -<font color="#ff0000"> # Diverse directories, need to be full paths, not relative!</font> -<font color="#ff0000">-INCOMING_DIR=$(pwd)/incoming</font> -<font color="#ff0000">+INCOMING_DIR=~/Nextcloud/Photos/irregular.ninja</font> -<font color="#ff0000"> DIST_DIR=$(pwd)/dist</font> -<font color="#ff0000"> TEMPLATE_DIR=/usr/share/photoalbum/templates/default</font> -<font color="#ff0000"> #TEMPLATE_DIR=/usr/share/photoalbum/templates/minimal</font> - -<font color="#ff0000"> # Includes a .tar of the incoming dir in the dist, can be yes or no</font> -<font color="#ff0000">-TARBALL_INCLUDE=yes</font> -<font color="#ff0000">+TARBALL_INCLUDE=no</font> -<font color="#ff0000"> TARBALL_SUFFIX=.tar</font> -<font color="#ff0000"> TAR_OPTS='-c'</font> +<pre>--- photoalbumrc 2023-10-29 21:42:00.894202045 +0200 ++++ photoalbumrc.new 2023-06-04 10:40:08.030994440 +0300 +@@ -1,23 +1,24 @@ + # The title of the photoalbum +-TITLE='A simple Photoalbum' ++TITLE='Irregular.Ninja' + + # Thumbnail height geometry +-THUMBHEIGHT=300 ++THUMBHEIGHT=400 + # Normal geometry height (when viewing photo). Uncomment, to keep original size. +-HEIGHT=1200 ++HEIGHT=1800 + # Max previews per page. + MAXPREVIEWS=40 +-# Randomly shuffle all previews. +-# SHUFFLE=yes ++# Randomly shuffle ++SHUFFLE=yes + + # Diverse directories, need to be full paths, not relative! +-INCOMING_DIR=$(pwd)/incoming ++INCOMING_DIR=~/Nextcloud/Photos/irregular.ninja + DIST_DIR=$(pwd)/dist + TEMPLATE_DIR=/usr/share/photoalbum/templates/default + #TEMPLATE_DIR=/usr/share/photoalbum/templates/minimal + + # Includes a .tar of the incoming dir in the dist, can be yes or no +-TARBALL_INCLUDE=yes ++TARBALL_INCLUDE=no + TARBALL_SUFFIX=.tar + TAR_OPTS='-c' </pre> <br /> <span>So I changed the album title, adjusted some image and thumbnail dimensions, and I want all images to be randomly shuffled every time the album is generated! I also have all my photos in my Nextcloud Photo directory and don't want to copy them to the local <span class='inlinecode'>incoming</span> directory. Also, a tarball containing the whole album as a download isn't provided.</span><br /> @@ -4603,7 +4603,7 @@ blurs html index.html photos thumbs by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dtail --servers serverlist</font><font color="#F3E651">.</font><font color="#ff0000">txt --grep INFO --files </font><font color="#bb00ff">"/var/log/dserver/*.log"</font> +<pre>% dtail --servers serverlist.txt --grep INFO --files <font color="#808080">"/var/log/dserver/*.log"</font> </pre> <br /> <span>Hint: you can also provide a comma separated server list, e.g.: <span class='inlinecode'>servers server1.example.org,server2.example.org:PORT,...</span></span><br /> @@ -4616,7 +4616,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dtail --servers serverlist</font><font color="#F3E651">.</font><font color="#ff0000">txt --grep INFO </font><font color="#bb00ff">"/var/log/dserver/*.log"</font> +<pre>% dtail --servers serverlist.txt --grep INFO <font color="#808080">"/var/log/dserver/*.log"</font> </pre> <br /> <h2 style='display: inline' id='aggregating-logs'>Aggregating logs</h2><br /> @@ -4629,10 +4629,10 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dtail --servers serverlist</font><font color="#F3E651">.</font><font color="#ff0000">txt </font><font color="#F3E651">\</font> -<font color="#ff0000"> --files </font><font color="#bb00ff">'/var/log/dserver/*.log'</font><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> --query </font><font color="#bb00ff">'from STATS select sum($goroutines),sum($cgocalls),</font> -<font color="#bb00ff"> last($time),max(lifetimeConnections)'</font> +<pre>% dtail --servers serverlist.txt \ + --files <font color="#808080">'/var/log/dserver/*.log'</font> \ + --query <font color="#808080">'from STATS select sum($goroutines),sum($cgocalls),</font> +<font color="#808080"> last($time),max(lifetimeConnections)'</font> </pre> <br /> <span>Beware: For map-reduce queries to work, you have to ensure that DTail supports your log format. Check out the documentaiton of the DTail query language and the DTail log formats on the DTail homepage for more information.</span><br /> @@ -4645,10 +4645,10 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dtail --servers serverlist</font><font color="#F3E651">.</font><font color="#ff0000">txt </font><font color="#F3E651">\</font> -<font color="#ff0000"> --files </font><font color="#bb00ff">'/var/log/dserver/*.log'</font><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> </font><font color="#bb00ff">'from STATS select sum($goroutines),sum($cgocalls),</font> -<font color="#bb00ff"> last($time),max(lifetimeConnections)'</font> +<pre>% dtail --servers serverlist.txt \ + --files <font color="#808080">'/var/log/dserver/*.log'</font> \ + <font color="#808080">'from STATS select sum($goroutines),sum($cgocalls),</font> +<font color="#808080"> last($time),max(lifetimeConnections)'</font> </pre> <br /> <span>Here is another example:</span><br /> @@ -4657,10 +4657,10 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dtail --servers serverlist</font><font color="#F3E651">.</font><font color="#ff0000">txt </font><font color="#F3E651">\</font> -<font color="#ff0000"> --files </font><font color="#bb00ff">'/var/log/dserver/*.log'</font><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> --query </font><font color="#bb00ff">'from STATS select $hostname,max($goroutines),max($cgocalls),$loadavg,</font> -<font color="#bb00ff"> lifetimeConnections group by $hostname order by max($cgocalls)'</font> +<pre>% dtail --servers serverlist.txt \ + --files <font color="#808080">'/var/log/dserver/*.log'</font> \ + --query <font color="#808080">'from STATS select $hostname,max($goroutines),max($cgocalls),$loadavg,</font> +<font color="#808080"> lifetimeConnections group by $hostname order by max($cgocalls)'</font> </pre> <br /> <a href='./dtail-usage-examples/dtail-map2.gif'><img alt='Tail map-reduce example 2' title='Tail map-reduce example 2' src='./dtail-usage-examples/dtail-map2.gif' /></a><br /> @@ -4671,9 +4671,9 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dtail --servers serverlist</font><font color="#F3E651">.</font><font color="#ff0000">txt </font><font color="#F3E651">\</font> -<font color="#ff0000"> --files </font><font color="#bb00ff">'/var/log/dserver/*.log'</font><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> --query </font><font color="#bb00ff">'from STATS select ... outfile append result.csv'</font> +<pre>% dtail --servers serverlist.txt \ + --files <font color="#808080">'/var/log/dserver/*.log'</font> \ + --query <font color="#808080">'from STATS select ... outfile append result.csv'</font> </pre> <br /> <h2 style='display: inline' id='how-to-use-dcat'>How to use <span class='inlinecode'>dcat</span></h2><br /> @@ -4686,7 +4686,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dcat --servers serverlist</font><font color="#F3E651">.</font><font color="#ff0000">txt --files /etc/hostname</font> +<pre>% dcat --servers serverlist.txt --files /etc/hostname </pre> <br /> <a href='./dtail-usage-examples/dcat.gif'><img alt='Cat example' title='Cat example' src='./dtail-usage-examples/dcat.gif' /></a><br /> @@ -4697,7 +4697,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dcat --servers serverlist</font><font color="#F3E651">.</font><font color="#ff0000">txt /etc/hostname</font> +<pre>% dcat --servers serverlist.txt /etc/hostname </pre> <br /> <h2 style='display: inline' id='how-to-use-dgrep'>How to use <span class='inlinecode'>dgrep</span></h2><br /> @@ -4708,9 +4708,9 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dgrep --servers server1</font><font color="#F3E651">.</font><font color="#ff0000">example</font><font color="#F3E651">.</font><font color="#ff0000">org</font><font color="#F3E651">:</font><font color="#bb00ff">2223</font><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> --files /etc/passwd </font><font color="#F3E651">\</font> -<font color="#ff0000"> --regex nologin</font> +<pre>% dgrep --servers server1.example.org:<font color="#000000">2223</font> \ + --files /etc/passwd \ + --regex nologin </pre> <br /> <span>Generally, <span class='inlinecode'>dgrep</span> is also a very useful way to search historic application logs for certain content.</span><br /> @@ -4727,10 +4727,10 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dmap --servers serverlist</font><font color="#F3E651">.</font><font color="#ff0000">txt </font><font color="#F3E651">\</font> -<font color="#ff0000"> --files </font><font color="#bb00ff">'/var/log/dserver/*.log'</font><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> --query </font><font color="#bb00ff">'from STATS select $hostname,max($goroutines),max($cgocalls),$loadavg,</font> -<font color="#bb00ff"> lifetimeConnections group by $hostname order by max($cgocalls)'</font> +<pre>% dmap --servers serverlist.txt \ + --files <font color="#808080">'/var/log/dserver/*.log'</font> \ + --query <font color="#808080">'from STATS select $hostname,max($goroutines),max($cgocalls),$loadavg,</font> +<font color="#808080"> lifetimeConnections group by $hostname order by max($cgocalls)'</font> </pre> <br /> <span>Remember: For that to work, you have to make sure that DTail supports your log format. You can either use the ones already defined in <span class='inlinecode'>internal/mapr/logformat</span> or add an extension to support a custom log format. The example here works out of the box though, as DTail understands its own log format already. </span><br /> @@ -4753,9 +4753,9 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dmap --files /var/log/dserver/dserver</font><font color="#F3E651">.</font><font color="#ff0000">log</font> -<font color="#ff0000"> --query </font><font color="#bb00ff">'from STATS select $hostname,max($goroutines),max($cgocalls),$loadavg,</font> -<font color="#bb00ff"> lifetimeConnections group by $hostname order by max($cgocalls)'</font> +<pre>% dmap --files /var/log/dserver/dserver.log + --query <font color="#808080">'from STATS select $hostname,max($goroutines),max($cgocalls),$loadavg,</font> +<font color="#808080"> lifetimeConnections group by $hostname order by max($cgocalls)'</font> </pre> <br /> <span>As a shorthand version the following command can be used:</span><br /> @@ -4764,9 +4764,9 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dmap </font><font color="#bb00ff">'from STATS select $hostname,max($goroutines),max($cgocalls),$loadavg,</font> -<font color="#bb00ff"> lifetimeConnections group by $hostname order by max($cgocalls)'</font><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> /var/log/dsever/dserver</font><font color="#F3E651">.</font><font color="#ff0000">log</font> +<pre>% dmap <font color="#808080">'from STATS select $hostname,max($goroutines),max($cgocalls),$loadavg,</font> +<font color="#808080"> lifetimeConnections group by $hostname order by max($cgocalls)'</font> \ + /var/log/dsever/dserver.log </pre> <br /> <span>You can also use a file input pipe as follows:</span><br /> @@ -4775,9 +4775,9 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> cat /var/log/dserver/dserver</font><font color="#F3E651">.</font><font color="#ff0000">log </font><font color="#F3E651">|</font><font color="#ff0000"> </font><font color="#F3E651">\</font> -<font color="#ff0000"> dmap </font><font color="#bb00ff">'from STATS select $hostname,max($goroutines),max($cgocalls),$loadavg,</font> -<font color="#bb00ff"> lifetimeConnections group by $hostname order by max($cgocalls)'</font> +<pre>% cat /var/log/dserver/dserver.log | \ + dmap <font color="#808080">'from STATS select $hostname,max($goroutines),max($cgocalls),$loadavg,</font> +<font color="#808080"> lifetimeConnections group by $hostname order by max($cgocalls)'</font> </pre> <br /> <h3 style='display: inline' id='aggregating-csv-files'>Aggregating CSV files</h3><br /> @@ -4788,16 +4788,16 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> cat example</font><font color="#F3E651">.</font><font color="#ff0000">csv</font> -<font color="#ff0000">name</font><font color="#F3E651">,</font><font color="#ff0000">lastname</font><font color="#F3E651">,</font><font color="#ff0000">age</font><font color="#F3E651">,</font><font color="#ff0000">profession</font> -<font color="#ff0000">Michael</font><font color="#F3E651">,</font><font color="#ff0000">Jordan</font><font color="#F3E651">,</font><font color="#bb00ff">40</font><font color="#F3E651">,</font><font color="#ff0000">Basketball player</font> -<font color="#ff0000">Michael</font><font color="#F3E651">,</font><font color="#ff0000">Jackson</font><font color="#F3E651">,</font><font color="#bb00ff">100</font><font color="#F3E651">,</font><font color="#ff0000">Singer</font> -<font color="#ff0000">Albert</font><font color="#F3E651">,</font><font color="#ff0000">Einstein</font><font color="#F3E651">,</font><font color="#bb00ff">200</font><font color="#F3E651">,</font><font color="#ff0000">Physician</font> -<font color="#F3E651">%</font><font color="#ff0000"> dmap --query </font><font color="#bb00ff">'select lastname,name where age > 40 logformat csv outfile result.csv'</font><font color="#ff0000"> example</font><font color="#F3E651">.</font><font color="#ff0000">csv</font> -<font color="#F3E651">%</font><font color="#ff0000"> cat result</font><font color="#F3E651">.</font><font color="#ff0000">csv</font> -<font color="#ff0000">lastname</font><font color="#F3E651">,</font><font color="#ff0000">name</font> -<font color="#ff0000">Jackson</font><font color="#F3E651">,</font><font color="#ff0000">Michael</font> -<font color="#ff0000">Einstein</font><font color="#F3E651">,</font><font color="#ff0000">Albert</font> +<pre>% cat example.csv +name,lastname,age,profession +Michael,Jordan,<font color="#000000">40</font>,Basketball player +Michael,Jackson,<font color="#000000">100</font>,Singer +Albert,Einstein,<font color="#000000">200</font>,Physician +% dmap --query <font color="#808080">'select lastname,name where age > 40 logformat csv outfile result.csv'</font> example.csv +% cat result.csv +lastname,name +Jackson,Michael +Einstein,Albert </pre> <br /> <span>DMap can also be used to query and aggregate CSV files from remote servers.</span><br /> @@ -4810,44 +4810,44 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dtail /var/log/dserver/dserver</font><font color="#F3E651">.</font><font color="#ff0000">log</font> +<pre>% dtail /var/log/dserver/dserver.log </pre> <br /> <!-- Generator: GNU source-highlight 3.1.9 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dtail --logLevel trace /var/log/dserver/dserver</font><font color="#F3E651">.</font><font color="#ff0000">log</font> +<pre>% dtail --logLevel trace /var/log/dserver/dserver.log </pre> <br /> <!-- Generator: GNU source-highlight 3.1.9 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dcat /etc/passwd</font> +<pre>% dcat /etc/passwd </pre> <br /> <!-- Generator: GNU source-highlight 3.1.9 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dcat --plain /etc/passwd </font><font color="#F3E651">></font><font color="#ff0000"> /etc/test</font> -<i><font color="#ababab"># Should show no differences.</font></i> -<font color="#ff0000">diff /etc/test /etc/passwd </font> +<pre>% dcat --plain /etc/passwd > /etc/test +<i><font color="silver"># Should show no differences.</font></i> +diff /etc/test /etc/passwd </pre> <br /> <!-- Generator: GNU source-highlight 3.1.9 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dgrep --regex ERROR --files /var/log/dserver/dsever</font><font color="#F3E651">.</font><font color="#ff0000">log</font> +<pre>% dgrep --regex ERROR --files /var/log/dserver/dsever.log </pre> <br /> <!-- Generator: GNU source-highlight 3.1.9 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> dgrep --before </font><font color="#bb00ff">10</font><font color="#ff0000"> --after </font><font color="#bb00ff">10</font><font color="#ff0000"> --max </font><font color="#bb00ff">10</font><font color="#ff0000"> --grep ERROR /var/log/dserver/dsever</font><font color="#F3E651">.</font><font color="#ff0000">log</font> +<pre>% dgrep --before <font color="#000000">10</font> --after <font color="#000000">10</font> --max <font color="#000000">10</font> --grep ERROR /var/log/dserver/dsever.log </pre> <br /> <span>Use <span class='inlinecode'>--help</span> for more available options. Or go to the DTail page for more information! Hope you find DTail useful!</span><br /> @@ -5017,9 +5017,9 @@ DC on fire: by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> -n </font><font color="#bb00ff">"$foo"</font><font color="#ff0000"> </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> echo </font><font color="#bb00ff">"$foo"</font> -<b><font color="#ffffff">fi</font></b> +<pre><b><u><font color="#000000">if</font></u></b> [ -n <font color="#808080">"$foo"</font> ]; <b><u><font color="#000000">then</font></u></b> + echo <font color="#808080">"$foo"</font> +<b><u><font color="#000000">fi</font></u></b> </pre> <br /> <span>Please run <span class='inlinecode'>source-highlight --lang-list</span> for a list of all supported languages.</span><br /> @@ -5048,7 +5048,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><b><font color="#ffffff">declare</font></b><font color="#ff0000"> -xr </font><font color="#ff0000">MASTODON_URI</font><font color="#F3E651">=</font><font color="#bb00ff">'https://fosstodon.org/@snonux'</font> +<pre><b><u><font color="#000000">declare</font></u></b> -xr MASTODON_URI=<font color="#808080">'https://fosstodon.org/@snonux'</font> </pre> <br /> <span>and add the following into your <span class='inlinecode'>index.gmi</span>:</span><br /> @@ -5063,7 +5063,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><b><font color="#ffffff"><a</font></b><font color="#ff0000"> </font><b><font color="#F35E1E">href</font></b><font color="#F3E651">=</font><font color="#bb00ff">'https://fosstodon.org/@snonux'</font><font color="#ff0000"> </font><b><font color="#F35E1E">rel</font></b><font color="#F3E651">=</font><font color="#bb00ff">'me'</font><b><font color="#ffffff">></font></b><font color="#ff0000">Me at Mastodon</font><b><font color="#ffffff"></a></font></b> +<pre><b><u><font color="#000000"><a</font></u></b> <b><font color="#000000">href</font></b>=<font color="#808080">'https://fosstodon.org/@snonux'</font> <b><font color="#000000">rel</font></b>=<font color="#808080">'me'</font><b><u><font color="#000000">></font></u></b>Me at Mastodon<b><u><font color="#000000"></a></font></u></b> </pre> <br /> <h2 style='display: inline' id='more'>More</h2><br /> @@ -5563,11 +5563,11 @@ Have a nice day! by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">git clone https</font><font color="#F3E651">:</font><font color="#ff0000">//codeberg</font><font color="#F3E651">.</font><font color="#ff0000">org/snonux/gogios</font><font color="#F3E651">.</font><font color="#ff0000">git</font> -<font color="#ff0000">cd gogios</font> -<font color="#ff0000">go build -o gogios cmd/gogios/main</font><font color="#F3E651">.</font><font color="#ff0000">go</font> -<font color="#ff0000">doas cp gogios /usr/local/bin/gogios</font> -<font color="#ff0000">doas chmod </font><font color="#bb00ff">755</font><font color="#ff0000"> /usr/local/bin/gogios</font> +<pre>git clone https://codeberg.org/snonux/gogios.git +cd gogios +go build -o gogios cmd/gogios/main.go +doas cp gogios /usr/local/bin/gogios +doas chmod <font color="#000000">755</font> /usr/local/bin/gogios </pre> <br /> <span>You can use cross-compilation if you want to compile Gogios for OpenBSD on a Linux system without installing the Go compiler on OpenBSD. Follow these steps:</span><br /> @@ -5576,9 +5576,9 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><b><font color="#ffffff">export</font></b><font color="#ff0000"> </font><font color="#ff0000">GOOS</font><font color="#F3E651">=</font><font color="#ff0000">openbsd</font> -<b><font color="#ffffff">export</font></b><font color="#ff0000"> </font><font color="#ff0000">GOARCH</font><font color="#F3E651">=</font><font color="#ff0000">amd64</font> -<font color="#ff0000">go build -o gogios cmd/gogios/main</font><font color="#F3E651">.</font><font color="#ff0000">go</font> +<pre><b><u><font color="#000000">export</font></u></b> GOOS=openbsd +<b><u><font color="#000000">export</font></u></b> GOARCH=amd64 +go build -o gogios cmd/gogios/main.go </pre> <br /> <span>On your OpenBSD system, copy the binary to <span class='inlinecode'>/usr/local/bin/gogios</span> and set the correct permissions as described in the previous section. All steps described here you could automate with your configuration management system of choice. I use Rexify, the friendly configuration management system, to automate the installation, but that is out of the scope of this document.</span><br /> @@ -5593,11 +5593,11 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">doas adduser -group _gogios -batch _gogios</font> -<font color="#ff0000">doas usermod -d /var/run/gogios _gogios</font> -<font color="#ff0000">doas mkdir -p /var/run/gogios</font> -<font color="#ff0000">doas chown _gogios</font><font color="#F3E651">:</font><font color="#ff0000">_gogios /var/run/gogios</font> -<font color="#ff0000">doas chmod </font><font color="#bb00ff">750</font><font color="#ff0000"> /var/run/gogios</font> +<pre>doas adduser -group _gogios -batch _gogios +doas usermod -d /var/run/gogios _gogios +doas mkdir -p /var/run/gogios +doas chown _gogios:_gogios /var/run/gogios +doas chmod <font color="#000000">750</font> /var/run/gogios </pre> <br /> <span>Please note that creating a user and group might differ depending on your operating system. For other operating systems, consult their documentation for creating system users and groups.</span><br /> @@ -5610,8 +5610,8 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">doas pkg_add monitoring-plugins</font> -<font color="#ff0000">doas pkg_add nrpe </font><i><font color="#ababab"># If you want to execute checks remotely via NRPE.</font></i> +<pre>doas pkg_add monitoring-plugins +doas pkg_add nrpe <i><font color="silver"># If you want to execute checks remotely via NRPE.</font></i> </pre> <br /> <span>Once the installation is complete, you can find the monitoring plugins in the <span class='inlinecode'>/usr/local/libexec/nagios</span> directory, which then can be configured to be used in <span class='inlinecode'>gogios.json</span>.</span><br /> @@ -5638,41 +5638,41 @@ echo 'This is a test email from OpenBSD.' | mail -s 'Test Email' by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">{</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">EmailTo</font><font color="#ff0000">"</font><font color="#ff0000">:</font><font color="#ff0000"> "</font><font color="#bb00ff">paul@dev.buetow.org</font><font color="#ff0000">"</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">EmailFrom</font><font color="#ff0000">"</font><font color="#ff0000">:</font><font color="#ff0000"> "</font><font color="#bb00ff">gogios@buetow.org</font><font color="#ff0000">"</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">CheckTimeoutS</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#bb00ff">10</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">CheckConcurrency</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#bb00ff">2</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">StateDir</font><font color="#ff0000">"</font><font color="#ff0000">:</font><font color="#ff0000"> "</font><font color="#bb00ff">/var/run/gogios</font><font color="#ff0000">"</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Checks</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">{</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Check ICMP4 www.foo.zone</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">{</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Plugin</font><font color="#ff0000">"</font><font color="#ff0000">:</font><font color="#ff0000"> "</font><font color="#bb00ff">/usr/local/libexec/nagios/check_ping</font><font color="#ff0000">"</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Args</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-H</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">www.foo.zone</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-4</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-w</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">50,10%</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-c</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">100,15%</font><font color="#ff0000">"</font><font color="#ff0000"> </font><font color="#F3E651">],</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Retries</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#bb00ff">3</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">RetryInterval</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#bb00ff">10</font> -<font color="#ff0000"> </font><font color="#F3E651">},</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Check ICMP6 www.foo.zone</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">{</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Plugin</font><font color="#ff0000">"</font><font color="#ff0000">:</font><font color="#ff0000"> "</font><font color="#bb00ff">/usr/local/libexec/nagios/check_ping</font><font color="#ff0000">"</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Args</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-H</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">www.foo.zone</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-6</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-w</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">50,10%</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-c</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">100,15%</font><font color="#ff0000">"</font><font color="#ff0000"> </font><font color="#F3E651">],</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Retries</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#bb00ff">3</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">RetryInterval</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#bb00ff">10</font> -<font color="#ff0000"> </font><font color="#F3E651">},</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">www.foo.zone HTTP IPv4</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">{</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Plugin</font><font color="#ff0000">"</font><font color="#ff0000">:</font><font color="#ff0000"> "</font><font color="#bb00ff">/usr/local/libexec/nagios/check_http</font><font color="#ff0000">"</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Args</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">[</font><font color="#ff0000">"</font><font color="#ff0000">www.foo.zone</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-4</font><font color="#ff0000">"</font><font color="#F3E651">],</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">DependsOn</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">[</font><font color="#ff0000">"</font><font color="#ff0000">Check ICMP4 www.foo.zone</font><font color="#ff0000">"</font><font color="#F3E651">]</font> -<font color="#ff0000"> </font><font color="#F3E651">},</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">www.foo.zone HTTP IPv6</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">{</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Plugin</font><font color="#ff0000">"</font><font color="#ff0000">:</font><font color="#ff0000"> "</font><font color="#bb00ff">/usr/local/libexec/nagios/check_http</font><font color="#ff0000">"</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Args</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">[</font><font color="#ff0000">"</font><font color="#ff0000">www.foo.zone</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-6</font><font color="#ff0000">"</font><font color="#F3E651">],</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">DependsOn</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">[</font><font color="#ff0000">"</font><font color="#ff0000">Check ICMP6 www.foo.zone</font><font color="#ff0000">"</font><font color="#F3E651">]</font> -<font color="#ff0000"> </font><font color="#F3E651">}</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Check NRPE Disk Usage foo.zone</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">{</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Plugin</font><font color="#ff0000">"</font><font color="#ff0000">:</font><font color="#ff0000"> "</font><font color="#bb00ff">/usr/local/libexec/nagios/check_nrpe</font><font color="#ff0000">"</font><font color="#F3E651">,</font> -<font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">Args</font><font color="#ff0000">"</font><font color="#ff0000">: </font><font color="#F3E651">[</font><font color="#ff0000">"</font><font color="#ff0000">-H</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">foo.zone</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-c</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">check_disk</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-p</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">5666</font><font color="#ff0000">"</font><font color="#F3E651">,</font><font color="#ff0000"> </font><font color="#ff0000">"</font><font color="#ff0000">-4</font><font color="#ff0000">"</font><font color="#F3E651">]</font> -<font color="#ff0000"> </font><font color="#F3E651">}</font> -<font color="#ff0000"> </font><font color="#F3E651">}</font> -<font color="#F3E651">}</font> +<pre>{ + "EmailTo": "<font color="#808080">paul@dev.buetow.org</font>", + "EmailFrom": "<font color="#808080">gogios@buetow.org</font>", + "CheckTimeoutS": <font color="#000000">10</font>, + "CheckConcurrency": <font color="#000000">2</font>, + "StateDir": "<font color="#808080">/var/run/gogios</font>", + "Checks": { + "Check ICMP4 www.foo.zone": { + "Plugin": "<font color="#808080">/usr/local/libexec/nagios/check_ping</font>", + "Args": [ "-H", "www.foo.zone", "-4", "-w", "50,10%", "-c", "100,15%" ], + "Retries": <font color="#000000">3</font>, + "RetryInterval": <font color="#000000">10</font> + }, + "Check ICMP6 www.foo.zone": { + "Plugin": "<font color="#808080">/usr/local/libexec/nagios/check_ping</font>", + "Args": [ "-H", "www.foo.zone", "-6", "-w", "50,10%", "-c", "100,15%" ], + "Retries": <font color="#000000">3</font>, + "RetryInterval": <font color="#000000">10</font> + }, + "www.foo.zone HTTP IPv4": { + "Plugin": "<font color="#808080">/usr/local/libexec/nagios/check_http</font>", + "Args": ["www.foo.zone", "-4"], + "DependsOn": ["Check ICMP4 www.foo.zone"] + }, + "www.foo.zone HTTP IPv6": { + "Plugin": "<font color="#808080">/usr/local/libexec/nagios/check_http</font>", + "Args": ["www.foo.zone", "-6"], + "DependsOn": ["Check ICMP6 www.foo.zone"] + } + "Check NRPE Disk Usage foo.zone": { + "Plugin": "<font color="#808080">/usr/local/libexec/nagios/check_nrpe</font>", + "Args": ["-H", "foo.zone", "-c", "check_disk", "-p", "5666", "-4"] + } + } +} </pre> <br /> <ul> @@ -5701,7 +5701,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">doas -u _gogios /usr/local/bin/gogios -cfg /etc/gogios</font><font color="#F3E651">.</font><font color="#ff0000">json</font> +<pre>doas -u _gogios /usr/local/bin/gogios -cfg /etc/gogios.json </pre> <br /> <span>To run Gogios via CRON on OpenBSD as the <span class='inlinecode'>gogios</span> user and check all services once per minute, follow these steps:</span><br /> @@ -5951,7 +5951,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#ff0000">$ raku guprecords</font><font color="#F3E651">.</font><font color="#ff0000">raku --stats</font><font color="#F3E651">=</font><font color="#ff0000">dir</font><font color="#F3E651">=</font><font color="#ff0000">$HOME</font><font color="#ff0000">/git/uprecords/stats --all</font> +<pre>$ raku guprecords.raku --stats=dir=$HOME/git/uprecords/stats --all </pre> <br /> <span>This command will generate a comprehensive uptime report from the collected statistics, making it easy to review and enjoy the data.</span><br /> @@ -6363,8 +6363,8 @@ Blablabla... by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><b><font color="#ffffff">declare</font></b><font color="#ff0000"> -xr </font><font color="#ff0000">PRE_GENERATE_HOOK</font><font color="#F3E651">=.</font><font color="#ff0000">/pre_generate_hook</font><font color="#F3E651">.</font><font color="#ff0000">sh</font> -<b><font color="#ffffff">declare</font></b><font color="#ff0000"> -xr </font><font color="#ff0000">POST_PUBLISH_HOOK</font><font color="#F3E651">=.</font><font color="#ff0000">/post_publish_hook</font><font color="#F3E651">.</font><font color="#ff0000">sh</font> +<pre><b><u><font color="#000000">declare</font></u></b> -xr PRE_GENERATE_HOOK=./pre_generate_hook.sh +<b><u><font color="#000000">declare</font></u></b> -xr POST_PUBLISH_HOOK=./post_publish_hook.sh </pre> <br /> <h2 style='display: inline' id='use-of-safer-bash-options'>Use of safer Bash options</h2><br /> @@ -6381,10 +6381,10 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> cat gemfeed</font><font color="#F3E651">/</font><font color="#bb00ff">2023</font><font color="#ff0000">-</font><font color="#bb00ff">02</font><font color="#ff0000">-</font><font color="#bb00ff">26</font><font color="#ff0000">-title-here</font><font color="#F3E651">.</font><font color="#ff0000">gmi</font> -<i><font color="#ababab"># Title here</font></i> +<pre>% cat gemfeed/<font color="#000000">2023</font>-<font color="#000000">02</font>-<font color="#000000">26</font>-title-here.gmi +<i><font color="silver"># Title here</font></i> -<font color="#ff0000">The remaining content of the Gemtext file</font><font color="#F3E651">...</font> +The remaining content of the Gemtext file... </pre> <br /> <span>Gemtexter will add a line starting with <span class='inlinecode'>> Published at ...</span> now. Any subsequent Atom feed generation will then use that date.</span><br /> @@ -6393,12 +6393,12 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">%</font><font color="#ff0000"> cat gemfeed</font><font color="#F3E651">/</font><font color="#bb00ff">2023</font><font color="#ff0000">-</font><font color="#bb00ff">02</font><font color="#ff0000">-</font><font color="#bb00ff">26</font><font color="#ff0000">-title-here</font><font color="#F3E651">.</font><font color="#ff0000">gmi</font> -<i><font color="#ababab"># Title here</font></i> +<pre>% cat gemfeed/<font color="#000000">2023</font>-<font color="#000000">02</font>-<font color="#000000">26</font>-title-here.gmi +<i><font color="silver"># Title here</font></i> -<font color="#F3E651">></font><font color="#ff0000"> Published at </font><font color="#bb00ff">2023</font><font color="#ff0000">-</font><font color="#bb00ff">02</font><font color="#ff0000">-26T21</font><font color="#F3E651">:</font><font color="#bb00ff">43</font><font color="#F3E651">:</font><font color="#bb00ff">51</font><font color="#F3E651">+</font><font color="#bb00ff">01</font><font color="#F3E651">:</font><font color="#bb00ff">00</font> +> Published at <font color="#000000">2023</font>-<font color="#000000">02</font>-26T21:<font color="#000000">43</font>:<font color="#000000">51</font>+<font color="#000000">01</font>:<font color="#000000">00</font> -<font color="#ff0000">The remaining content of the Gemtext file</font><font color="#F3E651">...</font> +The remaining content of the Gemtext file... </pre> <br /> <h2 style='display: inline' id='xmllint-support'>XMLLint support</h2><br /> @@ -7047,10 +7047,10 @@ Art by \ \_! / __! by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><i><font color="#ababab">" Clipboard</font></i> -<font color="#ff0000">vnoremap ,</font><b><font color="#ffffff">y</font></b><font color="#ff0000"> !pbcopy</font><font color="#ff0000"><CR></font><font color="#ff0000">ugv</font> -<font color="#ff0000">vnoremap ,</font><b><font color="#ffffff">i</font></b><font color="#ff0000"> !pbpaste</font><font color="#ff0000"><CR></font> -<font color="#ff0000">nmap ,</font><b><font color="#ffffff">i</font></b><font color="#ff0000"> !wpbpaste</font><font color="#ff0000"><CR></font> +<pre><i><font color="silver">" Clipboard</font></i> +vnoremap ,<b><u><font color="#000000">y</font></u></b> !pbcopy<CR>ugv +vnoremap ,<b><u><font color="#000000">i</font></u></b> !pbpaste<CR> +nmap ,<b><u><font color="#000000">i</font></u></b> !wpbpaste<CR> </pre> <br /> <span>That's only a very few lines and does precisely what I want. It's quick and dirty but get's the job done! If VimScript becomes too cumbersome, I can use Lua for NeoVim scripting.</span><br /> @@ -7670,23 +7670,23 @@ jgs (________\ \ by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#7bc710">check_dependencies ()</font><font color="#ff0000"> {</font> -<font color="#ff0000"> </font><i><font color="#ababab"># At least, Bash 5 is required</font></i> -<font color="#ff0000"> </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -i </font><font color="#ff0000">required_version</font><font color="#F3E651">=</font><font color="#bb00ff">5</font> -<font color="#ff0000"> </font><font color="#ff0000">IFS</font><font color="#F3E651">=.</font><font color="#ff0000"> </font><b><font color="#ffffff">read</font></b><font color="#ff0000"> -ra version </font><font color="#F3E651"><<<</font><font color="#ff0000"> </font><font color="#bb00ff">"$BASH_VERSION"</font> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#bb00ff">"${version[0]}"</font><font color="#ff0000"> -lt </font><font color="#ff0000">$required_version</font><font color="#ff0000"> </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> log ERROR </font><font color="#bb00ff">"ERROR, </font><font color="#ffffff">\"</font><font color="#bb00ff">bash</font><font color="#ffffff">\"</font><font color="#bb00ff"> must be at least at major version $required_version!"</font> -<font color="#ff0000"> </font><b><font color="#ffffff">exit</font></b><font color="#ff0000"> </font><font color="#bb00ff">2</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> - -<font color="#ff0000"> </font><i><font color="#ababab"># These must be the GNU versions of the commands</font></i> -<font color="#ff0000"> </font><b><font color="#ffffff">for</font></b><font color="#ff0000"> tool </font><b><font color="#ffffff">in</font></b><font color="#ff0000"> </font><font color="#ff0000">$DATE</font><font color="#ff0000"> </font><font color="#ff0000">$SED</font><font color="#ff0000"> </font><font color="#ff0000">$GREP</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">do</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">!</font><font color="#ff0000"> </font><font color="#ff0000">$tool</font><font color="#ff0000"> --version </font><font color="#F3E651">|</font><font color="#ff0000"> grep -q GNU</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b> -<font color="#ff0000"> log ERROR </font><font color="#bb00ff">"ERROR, </font><font color="#ffffff">\"</font><font color="#bb00ff">$tool</font><font color="#ffffff">\"</font><font color="#bb00ff"> command is not the GNU version, please install!"</font> -<font color="#ff0000"> </font><b><font color="#ffffff">exit</font></b><font color="#ff0000"> </font><font color="#bb00ff">2</font> -<font color="#ff0000"> </font><b><font color="#ffffff">fi</font></b> -<font color="#ff0000"> </font><b><font color="#ffffff">done</font></b> -<font color="#ff0000">}</font> +<pre>check_dependencies () { + <i><font color="silver"># At least, Bash 5 is required</font></i> + <b><u><font color="#000000">local</font></u></b> -i required_version=<font color="#000000">5</font> + IFS=. <b><u><font color="#000000">read</font></u></b> -ra version <<< <font color="#808080">"$BASH_VERSION"</font> + <b><u><font color="#000000">if</font></u></b> [ <font color="#808080">"${version[0]}"</font> -lt $required_version ]; <b><u><font color="#000000">then</font></u></b> + log ERROR <font color="#808080">"ERROR, </font>\"<font color="#808080">bash</font>\"<font color="#808080"> must be at least at major version $required_version!"</font> + <b><u><font color="#000000">exit</font></u></b> <font color="#000000">2</font> + <b><u><font color="#000000">fi</font></u></b> + + <i><font color="silver"># These must be the GNU versions of the commands</font></i> + <b><u><font color="#000000">for</font></u></b> tool <b><u><font color="#000000">in</font></u></b> $DATE $SED $GREP; <b><u><font color="#000000">do</font></u></b> + <b><u><font color="#000000">if</font></u></b> ! $tool --version | grep -q GNU; <b><u><font color="#000000">then</font></u></b> + log ERROR <font color="#808080">"ERROR, </font>\"<font color="#808080">$tool</font>\"<font color="#808080"> command is not the GNU version, please install!"</font> + <b><u><font color="#000000">exit</font></u></b> <font color="#000000">2</font> + <b><u><font color="#000000">fi</font></u></b> + <b><u><font color="#000000">done</font></u></b> +} </pre> <br /> <span>Especially macOS users didn't read the <span class='inlinecode'>README</span> carefully enough to install GNU Grep, GNU Sed and GNU Date before using Gemtexter.</span><br /> @@ -7707,7 +7707,7 @@ http://www.gnu.org/software/src-highlite --> by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> -<pre><font color="#F3E651">.</font><font color="#ff0000">/gemtexter --generate </font><font color="#bb00ff">'.*hello.*'</font> +<pre>./gemtexter --generate <font color="#808080">'.*hello.*'</font> </pre> <br /> <h3 style='display: inline' id='revamped-git-support'>Revamped <span class='inlinecode'>git</span> support</h3><br /> |