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| author | pbuetow <35781042+pbuetow@users.noreply.github.com> | 2020-02-08 18:47:15 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-02-08 18:47:15 +0000 |
| commit | ca28ba95a74706ad3620f6a1980db45c1a92ad4a (patch) | |
| tree | 03c0a302b006aa08a63d986fdabcb3810ddc48aa | |
| parent | 80867e437900ae995175d108c593059525e650e6 (diff) | |
| parent | 95bae52787162b869ecb021e2bbc841bb8b6a65c (diff) | |
Merge pull request #9 from snonux/master
add systemd update keycache timer example
| -rw-r--r-- | doc/installation.md | 20 | ||||
| -rw-r--r-- | samples/dserver-update-keycache.service.sample | 6 | ||||
| -rw-r--r-- | samples/dserver-update-keycache.timer.sample | 5 |
3 files changed, 28 insertions, 3 deletions
diff --git a/doc/installation.md b/doc/installation.md index 8781130..6e2c8cc 100644 --- a/doc/installation.md +++ b/doc/installation.md @@ -38,14 +38,14 @@ uid=670(dserver) gid=670(dserver) groups=670(dserver) ```console % sudo mkdir /etc/dserver % curl https://raw.githubusercontent.com/mimecast/dtail/master/samples/dtail.json.sample | - sudo tee /etc/dserver/dtail.json >/dev/null + sudo tee /etc/dserver/dtail.json ``` 5. It is recommended to configure DTail server as a service to ``systemd``. An example unit file for ``systemd`` can be found [here](../samples/dserver.service.sample). ```console % curl https://raw.githubusercontent.com/mimecast/dtail/master/samples/dserver.service.sample | - sudo tee /etc/systemd/system/dserver.service >/dev/null + sudo tee /etc/systemd/system/dserver.service % sudo systemctl daemon-reload % sudo systemctl enable dserver ``` @@ -77,7 +77,21 @@ To start the DTail server via ``systemd`` run: The DTail server now runs as a ``systemd`` service under system user ``dserver``. The system user ``dserver`` however has no permissions to read the SSH public keys from ``/home/USER/.ssh/authorized_keys``. Therefore, no user would be able to establish a SSH session to DTail server. As an alternative path DTail server also checks for public SSH key files in ``/var/run/dserver/cache/USER.authorized_keys``. -It is recommended to execute [update_key_cache.sh](../samples/update_key_cache.sh.sample) periodically to update the key cache. In case you manage your public SSH keys via Puppet you could subscribe the script to corresponding module. Or alternatively just configure a cron job to run every once in a while. +It is recommended to execute [update_key_cache.sh](../samples/update_key_cache.sh.sample) periodically to update the key cache. In case you manage your public SSH keys via Puppet you could subscribe the script to corresponding module. Or alternatively just configure a cron job or a systemd timer to run every once in a while, e.g. every 30 minutes: + +```console +% curl https://raw.githubusercontent.com/mimecast/dtail/master/samples/update_key_cache.sh.sample | + sudo tee /var/run/dserver/update_key_cache.sh +% sudo chmod 755 /var/run/dserver/update_key_cache.sh +% curl https://raw.githubusercontent.com/mimecast/dtail/master/samples/dserver-update-keycache.service.sample | + sudo tee /etc/systemd/system/dserver-update-keycache.service +% curl https://raw.githubusercontent.com/mimecast/dtail/master/samples/dserver-update-keycache.timer.sample | + sudo tee /etc/systemd/system/dserver-update-keycache.timer +% sudo systemctl daemon-reload +% sudo systemctl start dserver-update-keycache.service +% sudo systemctl enable dserver-update-keycache.timer +% sudo systemctl start dserver-update-keycache.timer +``` # Run DTail client diff --git a/samples/dserver-update-keycache.service.sample b/samples/dserver-update-keycache.service.sample new file mode 100644 index 0000000..7e6144c --- /dev/null +++ b/samples/dserver-update-keycache.service.sample @@ -0,0 +1,6 @@ +[Unit] +Description=Refresh DServer SSH Key Cache + +[Service] +Type=oneshot +ExecStart=/var/run/dserver/update_key_cache.sh diff --git a/samples/dserver-update-keycache.timer.sample b/samples/dserver-update-keycache.timer.sample new file mode 100644 index 0000000..e7158ca --- /dev/null +++ b/samples/dserver-update-keycache.timer.sample @@ -0,0 +1,5 @@ +[Unit] +Description=Refresh DServer SSH Key Cache every 30 minutes. + +[Timer] +OnCalendar=*:0/30 |