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| -rw-r--r-- | gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.md | 72 | ||||
| -rw-r--r-- | index.md | 2 | ||||
| -rw-r--r-- | uptime-stats.md | 2 |
4 files changed, 140 insertions, 130 deletions
diff --git a/about/resources.md b/about/resources.md index 12fa8eec..8e9504b1 100644 --- a/about/resources.md +++ b/about/resources.md @@ -35,105 +35,105 @@ You won't find any links on this site because, over time, the links will break. In random order: -* Polished Ruby Programming; Jeremy Evans; Packt Publishing +* Java ist auch eine Insel; Christian Ullenboom; * The KCNA (Kubernetes and Cloud Native Associate) Book; Nigel Poulton -* The Docker Book; James Turnbull; Kindle -* Raku Recipes; J.J. Merelo; Apress +* Object-Oriented Programming with ANSI-C; Axel-Tobias Schreiner +* Hands-on Infrastructure Monitoring with Prometheus; Joel Bastos, Pedro Araujo; Packt +* Programming Ruby 3.3 (5th Edition); Noel Rappin, with Dave Thomas; The Pragmatic Bookshelf +* Effective Java; Joshua Bloch; Addison-Wesley Professional +* 100 Go Mistakes and How to Avoid Them; Teiva Harsanyi; Manning Publications +* DNS and BIND; Cricket Liu; O'Reilly +* DevOps And Site Reliability Engineering Handbook; Stephen Fleming; Audible +* Modern Perl; Chromatic ; Onyx Neon Press +* Site Reliability Engineering; How Google runs production systems; O'Reilly +* Learn You Some Erlang for Great Good; Fred Herbert; No Starch Press +* 21st Century C: C Tips from the New School; Ben Klemens; O'Reilly +* Raku Fundamentals; Moritz Lenz; Apress +* Effective awk programming; Arnold Robbins; O'Reilly +* The Practise of System and Network Administration; Thomas A. Limoncelli, Christina J. Hogan, Strata R. Chalup; Addison-Wesley Professional Pro Git; Scott Chacon, Ben Straub; Apress * The DevOps Handbook; Gene Kim, Jez Humble, Patrick Debois, John Willis; Audible -* Higher Order Perl; Mark Dominus; Morgan Kaufmann +* Go Brain Teasers - Exercise Your Mind; Miki Tebeka; The Pragmatic Programmers * Think Raku (aka Think Perl 6); Laurent Rosenfeld, Allen B. Downey; O'Reilly -* The Kubernetes Book; Nigel Poulton; Unabridged Audiobook -* Effective awk programming; Arnold Robbins; O'Reilly * Perl New Features; Joshua McAdams, brian d foy; Perl School -* The Practise of System and Network Administration; Thomas A. Limoncelli, Christina J. Hogan, Strata R. Chalup; Addison-Wesley Professional Pro Git; Scott Chacon, Ben Straub; Apress +* Clusterbau mit Linux-HA; Michael Schwartzkopff; O'Reilly +* Leanring eBPF; Liz Rice; O'Reilly +* Tmux 2: Productive Mouse-free Development; Brain P. Hogan; The Pragmatic Programmers +* 97 things every SRE should know; Emil Stolarsky, Jaime Woo; O'Reilly +* The Pragmatic Programmer; David Thomas; Addison-Wesley +* Polished Ruby Programming; Jeremy Evans; Packt Publishing +* Amazon Web Services in Action; Michael Wittig and Andreas Wittig; Manning Publications +* Terraform Cookbook; Mikael Krief; Packt Publishing +* Concurrency in Go; Katherine Cox-Buday; O'Reilly +* Programming Perl aka "The Camel Book"; Tom Christiansen, brian d foy, Larry Wall & Jon Orwant; O'Reilly * Learn You a Haskell for Great Good!; Miran Lipovaca; No Starch Press -* DevOps And Site Reliability Engineering Handbook; Stephen Fleming; Audible -* Programming Ruby 3.3 (5th Edition); Noel Rappin, with Dave Thomas; The Pragmatic Bookshelf +* Developing Games in Java; David Brackeen and others...; New Riders * Distributed Systems: Principles and Paradigms; Andrew S. Tanenbaum; Pearson -* 97 things every SRE should know; Emil Stolarsky, Jaime Woo; O'Reilly -* Go Brain Teasers - Exercise Your Mind; Miki Tebeka; The Pragmatic Programmers -* Tmux 2: Productive Mouse-free Development; Brain P. Hogan; The Pragmatic Programmers -* Systemprogrammierung in Go; Frank Müller; dpunkt -* Learn You Some Erlang for Great Good; Fred Herbert; No Starch Press * C++ Programming Language; Bjarne Stroustrup; -* Funktionale Programmierung; Peter Pepper; Springer -* Leanring eBPF; Liz Rice; O'Reilly -* Object-Oriented Programming with ANSI-C; Axel-Tobias Schreiner -* Raku Fundamentals; Moritz Lenz; Apress -* Clusterbau mit Linux-HA; Michael Schwartzkopff; O'Reilly -* The Pragmatic Programmer; David Thomas; Addison-Wesley +* The Docker Book; James Turnbull; Kindle +* Systemprogrammierung in Go; Frank Müller; dpunkt * Ultimate Go Notebook; Bill Kennedy -* Concurrency in Go; Katherine Cox-Buday; O'Reilly -* Effective Java; Joshua Bloch; Addison-Wesley Professional -* 21st Century C: C Tips from the New School; Ben Klemens; O'Reilly -* Pro Puppet; James Turnbull, Jeffrey McCune; Apress * The Go Programming Language; Alan A. A. Donovan; Addison-Wesley Professional -* Amazon Web Services in Action; Michael Wittig and Andreas Wittig; Manning Publications -* 100 Go Mistakes and How to Avoid Them; Teiva Harsanyi; Manning Publications -* Java ist auch eine Insel; Christian Ullenboom; -* Site Reliability Engineering; How Google runs production systems; O'Reilly -* DNS and BIND; Cricket Liu; O'Reilly -* Systems Performance Tuning; Gian-Paolo D. Musumeci and others...; O'Reilly -* Modern Perl; Chromatic ; Onyx Neon Press -* Developing Games in Java; David Brackeen and others...; New Riders -* Programming Perl aka "The Camel Book"; Tom Christiansen, brian d foy, Larry Wall & Jon Orwant; O'Reilly -* Hands-on Infrastructure Monitoring with Prometheus; Joel Bastos, Pedro Araujo; Packt -* Terraform Cookbook; Mikael Krief; Packt Publishing +* Higher Order Perl; Mark Dominus; Morgan Kaufmann +* Funktionale Programmierung; Peter Pepper; Springer +* Raku Recipes; J.J. Merelo; Apress * Data Science at the Command Line; Jeroen Janssens; O'Reilly +* The Kubernetes Book; Nigel Poulton; Unabridged Audiobook * Kubernetes Cookbook; Sameer Naik, Sébastien Goasguen, Jonathan Michaux; O'Reilly +* Systems Performance Tuning; Gian-Paolo D. Musumeci and others...; O'Reilly +* Pro Puppet; James Turnbull, Jeffrey McCune; Apress ## Technical references I didn't read them from the beginning to the end, but I am using them to look up things. The books are in random order: -* Algorithms; Robert Sedgewick, Kevin Wayne; Addison Wesley -* Understanding the Linux Kernel; Daniel P. Bovet, Marco Cesati; O'Reilly * Implementing Service Level Objectives; Alex Hidalgo; O'Reilly -* BPF Performance Tools - Linux System and Application Observability, Brendan Gregg; Addison Wesley +* Understanding the Linux Kernel; Daniel P. Bovet, Marco Cesati; O'Reilly +* Groovy Kurz & Gut; Joerg Staudemeier; O'Reilly * Relayd and Httpd Mastery; Michael W Lucas * Go: Design Patterns for Real-World Projects; Mat Ryer; Packt +* Algorithms; Robert Sedgewick, Kevin Wayne; Addison Wesley * The Linux Programming Interface; Michael Kerrisk; No Starch Press -* Groovy Kurz & Gut; Joerg Staudemeier; O'Reilly +* BPF Performance Tools - Linux System and Application Observability, Brendan Gregg; Addison Wesley ## Self-development and soft-skills books In random order: +* The Phoenix Project - A Novel About IT, DevOps, and Helping your Business Win; Gene Kim and Kevin Behr; Trade Select +* So Good They Can't Ignore You; Cal Newport; Business Plus +* Getting Things Done; David Allen * The Joy of Missing Out; Christina Crook; New Society Publishers -* The Good Enough Job; Simone Stolzoff; Ebury Edge -* The Daily Stoic; Ryan Holiday, Stephen Hanselman; Profile Books -* Slow Productivity; Cal Newport; Penguin Random House -* Who Moved My Cheese?; Dr. Spencer Johnson; Vermilion -* Stop starting, start finishing; Arne Roock; Lean-Kanban University -* Solve for Happy; Mo Gawdat (RE-READ 1ST TIME) -* The Obstacle Is The Way; Ryan Holiday; Profile Books Ltd -* Eat That Frog; Brian Tracy -* Ultralearning; Scott Young; Thorsons -* Consciousness: A Very Short Introduction; Susan Blackmore; Oxford Uiversity Press -* The Power of Now; Eckhard Tolle; Yellow Kite -* Never Split the Difference; Chris Voss, Tahl Raz; Random House Business -* Deep Work; Cal Newport; Piatkus +* Staff Engineer: Leadership beyond the management track; Will Larson; Audiobook * The Off Switch; Mark Cropley; Virgin Books (RE-READ 1ST TIME) -* Psycho-Cybernetics; Maxwell Maltz; Perigee Books -* 101 Essays that change the way you think; Brianna Wiest; Audiobook -* The Complete Software Developer's Career Guide; John Sonmez; Unabridged Audiobook * Soft Skills; John Sommez; Manning Publications -* So Good They Can't Ignore You; Cal Newport; Business Plus -* The 7 Habits Of Highly Effective People; Stephen R. Covey; Simon & Schuster UK -* The Phoenix Project - A Novel About IT, DevOps, and Helping your Business Win; Gene Kim and Kevin Behr; Trade Select -* Staff Engineer: Leadership beyond the management track; Will Larson; Audiobook -* Buddah and Einstein walk into a Bar; Guy Joseph Ale, Claire Bloom; Blackstone Publishing +* Deep Work; Cal Newport; Piatkus +* The Bullet Journal Method; Ryder Carroll; Fourth Estate +* Atomic Habits; James Clear; Random House Business +* The Complete Software Developer's Career Guide; John Sonmez; Unabridged Audiobook +* Ultralearning; Scott Young; Thorsons +* Ultralearning; Anna Laurent; Self-published via Amazon +* Meditation for Mortals, Oliver Burkeman, Audiobook +* Slow Productivity; Cal Newport; Penguin Random House * Coders at Work - Reflections on the craft of programming, Peter Seibel and Mitchell Dorian et al., Audiobook -* Influence without Authority; A. Cohen, D. Bradford; Wiley * Time Management for System Administrators; Thomas A. Limoncelli; O'Reilly -* Getting Things Done; David Allen -* Eat That Frog!; Brian Tracy; Hodder Paperbacks +* Consciousness: A Very Short Introduction; Susan Blackmore; Oxford Uiversity Press +* Never Split the Difference; Chris Voss, Tahl Raz; Random House Business +* The Obstacle Is The Way; Ryan Holiday; Profile Books Ltd +* The 7 Habits Of Highly Effective People; Stephen R. Covey; Simon & Schuster UK +* Stop starting, start finishing; Arne Roock; Lean-Kanban University +* The Power of Now; Eckhard Tolle; Yellow Kite +* Who Moved My Cheese?; Dr. Spencer Johnson; Vermilion +* Eat That Frog; Brian Tracy * Digital Minimalism; Cal Newport; Portofolio Penguin -* Ultralearning; Anna Laurent; Self-published via Amazon +* Eat That Frog!; Brian Tracy; Hodder Paperbacks +* Solve for Happy; Mo Gawdat (RE-READ 1ST TIME) +* Influence without Authority; A. Cohen, D. Bradford; Wiley * Search Inside Yourself - The Unexpected path to Achieving Success, Happiness (and World Peace); Chade-Meng Tan, Daniel Goleman, Jon Kabat-Zinn; HarperOne -* Atomic Habits; James Clear; Random House Business -* Meditation for Mortals, Oliver Burkeman, Audiobook -* The Bullet Journal Method; Ryder Carroll; Fourth Estate +* Buddah and Einstein walk into a Bar; Guy Joseph Ale, Claire Bloom; Blackstone Publishing +* Psycho-Cybernetics; Maxwell Maltz; Perigee Books +* The Daily Stoic; Ryan Holiday, Stephen Hanselman; Profile Books +* The Good Enough Job; Simone Stolzoff; Ebury Edge +* 101 Essays that change the way you think; Brianna Wiest; Audiobook [Here are notes of mine for some of the books](../notes/index.md) @@ -141,30 +141,30 @@ In random order: Some of these were in-person with exams; others were online learning lectures only. In random order: +* Structure and Interpretation of Computer Programs; Harold Abelson and more...; +* Algorithms Video Lectures; Robert Sedgewick; O'Reilly Online * The Ultimate Kubernetes Bootcamp; School of Devops; O'Reilly Online -* MySQL Deep Dive Workshop; 2-day on-site training +* The Well-Grounded Rubyist Video Edition; David. A. Black; O'Reilly Online +* Linux Security and Isolation APIs Training; Michael Kerrisk; 3-day on-site training +* Protocol buffers; O'Reilly Online +* Functional programming lecture; Remote University of Hagen * Ultimate Go Programming; Bill Kennedy; O'Reilly Online * Apache Tomcat Best Practises; 3-day on-site training -* Functional programming lecture; Remote University of Hagen +* MySQL Deep Dive Workshop; 2-day on-site training +* Developing IaC with Terraform (with Live Lessons); O'Reilly Online +* Cloud Operations on AWS - Learn how to configure, deploy, maintain, and troubleshoot your AWS environments; 3-day online live training with labs; Amazon * Scripting Vim; Damian Conway; O'Reilly Online -* AWS Immersion Day; Amazon; 1-day interactive online training -* Red Hat Certified System Administrator; Course + certification (Although I had the option, I decided not to take the next course as it is more effective to self learn what I need) -* Structure and Interpretation of Computer Programs; Harold Abelson and more...; * F5 Loadbalancers Training; 2-day on-site training; F5, Inc. -* Cloud Operations on AWS - Learn how to configure, deploy, maintain, and troubleshoot your AWS environments; 3-day online live training with labs; Amazon -* The Well-Grounded Rubyist Video Edition; David. A. Black; O'Reilly Online -* Algorithms Video Lectures; Robert Sedgewick; O'Reilly Online -* Protocol buffers; O'Reilly Online -* Linux Security and Isolation APIs Training; Michael Kerrisk; 3-day on-site training -* Developing IaC with Terraform (with Live Lessons); O'Reilly Online +* Red Hat Certified System Administrator; Course + certification (Although I had the option, I decided not to take the next course as it is more effective to self learn what I need) +* AWS Immersion Day; Amazon; 1-day interactive online training ## Technical guides These are not whole books, but guides (smaller or larger) which I found very useful. in random order: * How CPUs work at https://cpu.land -* Raku Guide at https://raku.guide * Advanced Bash-Scripting Guide +* Raku Guide at https://raku.guide ## Podcasts @@ -172,31 +172,31 @@ These are not whole books, but guides (smaller or larger) which I found very use In random order: +* Dev Interrupted * BSD Now [BSD] * The Pragmatic Engineer Podcast -* Cup o' Go [Golang] -* Dev Interrupted -* Fallthrough [Golang] * Maintainable -* Deep Questions with Cal Newport +* The Changelog Podcast(s) * Modern Mentor * Backend Banter -* Fork Around And Find Out +* Cup o' Go [Golang] +* Deep Questions with Cal Newport * Pratical AI * Hidden Brain +* Fallthrough [Golang] * The ProdCast (Google SRE Podcast) -* The Changelog Podcast(s) +* Fork Around And Find Out ### Podcasts I liked I liked them but am not listening to them anymore. The podcasts have either "finished" (no more episodes) or I stopped listening to them due to time constraints or a shift in my interests. -* CRE: Chaosradio Express [german] * Go Time (predecessor of fallthrough) -* Ship It (predecessor of Fork Around And Find Out) * Java Pub House -* Modern Mentor +* CRE: Chaosradio Express [german] +* Ship It (predecessor of Fork Around And Find Out) * FLOSS weekly +* Modern Mentor ## Newsletters I like @@ -204,24 +204,24 @@ This is a mix of tech and non-tech newsletters I am subscribed to. In random ord * Golang Weekly * Ruby Weekly -* Andreas Brandhorst Newsletter (Sci-Fi author) -* Monospace Mentor +* The Valuable Dev * Changelog News -* The Imperfectionist +* Register Spill +* byteSizeGo +* Andreas Brandhorst Newsletter (Sci-Fi author) * Applied Go Weekly Newsletter -* The Pragmatic Engineer -* The Valuable Dev +* The Imperfectionist * VK Newsletter -* byteSizeGo -* Register Spill +* Monospace Mentor +* The Pragmatic Engineer ## Magazines I like(d) This is a mix of tech I like(d). I may not be a current subscriber, but now and then, I buy an issue. In random order: -* LWN (online only) -* Linux User * Linux Magazine +* Linux User +* LWN (online only) * freeX (not published anymore) # Formal education diff --git a/gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.md b/gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.md index 652209e4..5b2f0e8d 100644 --- a/gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.md +++ b/gemfeed/2025-07-14-f3s-kubernetes-with-freebsd-part-6.md @@ -1414,7 +1414,6 @@ For the automatic recovery, we create a script: MOUNT_POINT="/data/nfs/k3svolumes" LOCK_FILE="/var/run/nfs-mount-check.lock" -STATE_FILE="/var/run/nfs-mount.state" # Use a lock file to prevent concurrent runs if [ -f "$LOCK_FILE" ]; then @@ -1423,46 +1422,57 @@ fi touch "$LOCK_FILE" trap "rm -f $LOCK_FILE" EXIT -remount_it () { - # Try to fix - echo "Attempting to fix/remount NFS mount at $(date)" | systemd-cat -t nfs-monitor -p notice - umount -f "$MOUNT_POINT" 2>/dev/null - sleep 1 +fix_mount () { + echo "Attempting to remount NFS mount $MOUNT_POINT" + if mount -o remount -f "$MOUNT_POINT" 2>/dev/null; then + echo "Remount command issued for $MOUNT_POINT" + else + echo "Failed to remount NFS mount $MOUNT_POINT" + fi - if mount "$MOUNT_POINT"; then - echo "NFS mount fixed at $(date)" | systemd-cat -t nfs-monitor -p info - rm -f "$STATE_FILE" + echo "Checking if $MOUNT_POINT is a mountpoint" + if mountpoint "$MOUNT_POINT" >/dev/null 2>&1; then + echo "$MOUNT_POINT is a valid mountpoint" else - echo "Failed to fix NFS mount at $(date)" | systemd-cat -t nfs-monitor -p err + echo "$MOUNT_POINT is not a valid mountpoint, attempting mount" + if mount "$MOUNT_POINT"; then + echo "Successfully mounted $MOUNT_POINT" + return + else + echo "Failed to mount $MOUNT_POINT" + fi fi -} -# Quick check - ensure it's actually mounted -if ! mountpoint -q "$MOUNT_POINT"; then - echo "NFS mount not found at $(date)" | systemd-cat -t nfs-monitor -p err - remount_it -fi + echo "Attempting to unmount $MOUNT_POINT" + if umount -f "$MOUNT_POINT" 2>/dev/null; then + echo "Successfully unmounted $MOUNT_POINT" + else + echo "Failed to unmount $MOUNT_POINT (it might not be mounted)" + fi -# Quick check - try to stat a directory with a very short timeout -if timeout 2s stat "$MOUNT_POINT" >/dev/null 2>&1; then - # Mount appears healthy - if [ -f "$STATE_FILE" ]; then - # Was previously unhealthy, log recovery - echo "NFS mount recovered at $(date)" | systemd-cat -t nfs-monitor -p info - rm -f "$STATE_FILE" + echo "Attempting to mount $MOUNT_POINT" + if mount "$MOUNT_POINT"; then + echo "NFS mount $MOUNT_POINT mounted successfully" + return + else + echo "Failed to mount NFS mount $MOUNT_POINT" fi - exit 0 -fi -# Mount is unhealthy -if [ ! -f "$STATE_FILE" ]; then - # First detection of unhealthy state - echo "NFS mount unhealthy detected at $(date)" | systemd-cat -t nfs-monitor -p warning - touch "$STATE_FILE" + echo "Failed to fix NFS mount $MOUNT_POINT" + exit 1 +} + +if ! mountpoint "$MOUNT_POINT" >/dev/null 2>&1; then + echo "NFS mount $MOUNT_POINT not found" + fix_mount fi -remount_it +if ! timeout 2s stat "$MOUNT_POINT" >/dev/null 2>&1; then + echo "NFS mount $MOUNT_POINT appears to be unresponsive" + fix_mount +fi EOF + [root@r0 ~]# chmod +x /usr/local/bin/check-nfs-mount.sh ``` @@ -1,6 +1,6 @@ # Hello! -> This site was generated at 2025-07-28T14:27:18+03:00 by `Gemtexter` +> This site was generated at 2025-07-28T15:09:21+03:00 by `Gemtexter` Welcome to the foo.zone! diff --git a/uptime-stats.md b/uptime-stats.md index 86ed86d3..ef3e190d 100644 --- a/uptime-stats.md +++ b/uptime-stats.md @@ -1,6 +1,6 @@ # My machine uptime stats -> This site was last updated at 2025-07-28T14:27:18+03:00 +> This site was last updated at 2025-07-28T15:09:21+03:00 The following stats were collected via `uptimed` on all of my personal computers over many years and the output was generated by `guprecords`, the global uptime records stats analyser of mine. |