15 files changed, 1326 insertions, 450 deletions
diff --git a/about/resources.gmi b/about/resources.gmi
index a70b80d3..030e3b0f 100644
--- a/about/resources.gmi
+++ b/about/resources.gmi
@@ -35,101 +35,101 @@ You won't find any links on this site because, over time, the links will break.
 
 In random order:
 
+* Learn You Some Erlang for Great Good; Fred Herbert; No Starch Press
+* Clusterbau mit Linux-HA; Michael Schwartzkopff; O'Reilly
+* Programming Perl aka "The Camel Book"; Tom Christiansen, brian d foy, Larry Wall & Jon Orwant; O'Reilly
+* Think Raku (aka Think Perl 6); Laurent Rosenfeld, Allen B. Downey; O'Reilly
 * Java ist auch eine Insel; Christian Ullenboom; 
-* Hands-on Infrastructure Monitoring with Prometheus; Joel Bastos, Pedro Araujo; Packt 
-* Modern Perl; Chromatic ; Onyx Neon Press
-* Systemprogrammierung in Go; Frank Müller; dpunkt
-* The Go Programming Language; Alan A. A. Donovan; Addison-Wesley Professional
+* The Kubernetes Book; Nigel Poulton; Unabridged Audiobook
+* The Pragmatic Programmer; David Thomas; Addison-Wesley
 * Effective Java; Joshua Bloch; Addison-Wesley Professional
-* Concurrency in Go; Katherine Cox-Buday; O'Reilly
-* Pro Puppet; James Turnbull, Jeffrey McCune; Apress
-* Object-Oriented Programming with ANSI-C; Axel-Tobias Schreiner
-* Think Raku (aka Think Perl 6); Laurent Rosenfeld, Allen B. Downey; O'Reilly
-* The KCNA (Kubernetes and Cloud Native Associate) Book; Nigel Poulton
-* The DevOps Handbook; Gene Kim, Jez Humble, Patrick Debois, John Willis; Audible
-* Ultimate Go Notebook; Bill Kennedy
-* Higher Order Perl; Mark Dominus; Morgan Kaufmann
-* Tmux 2: Productive Mouse-free Development; Brain P. Hogan; The Pragmatic Programmers 
-* Data Science at the Command Line; Jeroen Janssens; O'Reilly
 * Systems Performance Tuning; Gian-Paolo D. Musumeci and others...; O'Reilly
-* 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
-* Learn You a Haskell for Great Good!; Miran Lipovaca; No Starch Press
+* Ultimate Go Notebook; Bill Kennedy
+* Systemprogrammierung in Go; Frank Müller; dpunkt
 * Go Brain Teasers - Exercise Your Mind; Miki Tebeka; The Pragmatic Programmers
-* The Docker Book; James Turnbull; Kindle
-* Amazon Web Services in Action; Michael Wittig and Andreas Wittig; Manning Publications
 * Polished Ruby Programming; Jeremy Evans; Packt Publishing
-* Learn You Some Erlang for Great Good; Fred Herbert; No Starch Press
 * Perl New Features; Joshua McAdams, brian d foy; Perl School
-* Raku Fundamentals; Moritz Lenz; Apress
-* DevOps And Site Reliability Engineering Handbook; Stephen Fleming; Audible
-* Developing Games in Java; David Brackeen and others...; New Riders
-* Clusterbau mit Linux-HA; Michael Schwartzkopff; O'Reilly
-* Programming Perl aka "The Camel Book"; Tom Christiansen, brian d foy, Larry Wall & Jon Orwant; O'Reilly
-* C++ Programming Language; Bjarne Stroustrup;
+* 21st Century C: C Tips from the New School; Ben Klemens; O'Reilly
+* 100 Go Mistakes and How to Avoid Them; Teiva Harsanyi; Manning Publications
+* Modern Perl; Chromatic ; Onyx Neon Press
 * Distributed Systems: Principles and Paradigms; Andrew S. Tanenbaum; Pearson
 * Terraform Cookbook; Mikael Krief; Packt Publishing
-* DNS and BIND; Cricket Liu; O'Reilly
-* 100 Go Mistakes and How to Avoid Them; Teiva Harsanyi; Manning Publications
+* The DevOps Handbook; Gene Kim, Jez Humble, Patrick Debois, John Willis; Audible
+* Raku Recipes; J.J. Merelo; Apress
+* C++ Programming Language; Bjarne Stroustrup;
 * Funktionale Programmierung; Peter Pepper; Springer
-* Kubernetes Cookbook; Sameer Naik, Sébastien Goasguen, Jonathan Michaux; O'Reilly
+* Raku Fundamentals; Moritz Lenz; Apress
+* Amazon Web Services in Action; Michael Wittig and Andreas Wittig; Manning Publications
+* Higher Order Perl; Mark Dominus; Morgan Kaufmann
+* DevOps And Site Reliability Engineering Handbook; Stephen Fleming; Audible
+* 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
 * Site Reliability Engineering; How Google runs production systems; O'Reilly
-* Raku Recipes; J.J. Merelo; Apress
-* 97 things every SRE should know; Emil Stolarsky, Jaime Woo; O'Reilly
-* The Pragmatic Programmer; David Thomas; Addison-Wesley
 * Leanring eBPF; Liz Rice; O'Reilly
-* 21st Century C: C Tips from the New School; Ben Klemens; O'Reilly
-* The Kubernetes Book; Nigel Poulton; Unabridged Audiobook
+* Effective awk programming; Arnold Robbins; O'Reilly
+* Pro Puppet; James Turnbull, Jeffrey McCune; Apress
+* Learn You a Haskell for Great Good!; Miran Lipovaca; No Starch Press
+* Object-Oriented Programming with ANSI-C; Axel-Tobias Schreiner
+* The Docker Book; James Turnbull; Kindle
+* The KCNA (Kubernetes and Cloud Native Associate) Book; Nigel Poulton
+* Kubernetes Cookbook; Sameer Naik, Sébastien Goasguen, Jonathan Michaux; O'Reilly
+* Hands-on Infrastructure Monitoring with Prometheus; Joel Bastos, Pedro Araujo; Packt 
+* Tmux 2: Productive Mouse-free Development; Brain P. Hogan; The Pragmatic Programmers 
+* Concurrency in Go; Katherine Cox-Buday; O'Reilly
+* 97 things every SRE should know; Emil Stolarsky, Jaime Woo; O'Reilly
+* The Go Programming Language; Alan A. A. Donovan; Addison-Wesley Professional
+* DNS and BIND; Cricket Liu; O'Reilly
+* Data Science at the Command Line; Jeroen Janssens; O'Reilly
+* Developing Games in Java; David Brackeen and others...; New Riders
 
 ## 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:
 
-* Understanding the Linux Kernel; Daniel P. Bovet, Marco Cesati; O'Reilly
+* BPF Performance Tools - Linux System and Application Observability, Brendan Gregg; Addison Wesley
 * Implementing Service Level Objectives; Alex Hidalgo; O'Reilly
-* Relayd and Httpd Mastery; Michael W Lucas
 * Algorithms; Robert Sedgewick, Kevin Wayne; Addison Wesley
-* BPF Performance Tools - Linux System and Application Observability, Brendan Gregg; Addison Wesley
-* Groovy Kurz & Gut; Joerg Staudemeier; O'Reilly
 * The Linux Programming Interface; Michael Kerrisk; No Starch Press 
+* Relayd and Httpd Mastery; Michael W Lucas
+* Understanding the Linux Kernel; Daniel P. Bovet, Marco Cesati; O'Reilly
+* Groovy Kurz & Gut; Joerg Staudemeier; O'Reilly
 
 ## Self-development and soft-skills books
 
 In random order:
 
-* Solve for Happy; Mo Gawdat
-* Deep Work; Cal Newport; Piatkus
-* Who Moved My Cheese?; Dr. Spencer Johnson; Vermilion 
-* The Bullet Journal Method; Ryder Carroll; Fourth Estate
-* Digital Minimalism; Cal Newport; Portofolio Penguin
-* 101 Essays that change the way you think; Brianna Wiest; Audible
+* The Complete Software Developer's Career Guide; John Sonmez; Unabridged Audiobook
+* Ultralearning; Anna Laurent; Self-published via Amazon
 * The Daily Stoic; Ryan Holiday, Stephen Hanselman; Profile Books
-* Consciousness: A Very Short Introduction; Susan Blackmore; Oxford Uiversity Press
+* So Good They Can't Ignore You; Cal Newport; Business Plus
 * Atomic Habits; James Clear; Random House Business
+* Ultralearning; Scott Young; Thorsons
 * Staff Engineer: Leadership beyond the management track; Will Larson; Audible
-* The Phoenix Project - A Novel About IT, DevOps, and Helping your Business Win; Gene Kim and Kevin Behr; Trade Select
-* Time Management for System Administrators; Thomas A. Limoncelli; O'Reilly
-* The Power of Now; Eckhard Tolle; Yellow Kite
-* Search Inside Yourself - The Unexpected path to Achieving Success, Happiness (and World Peace); Chade-Meng Tan, Daniel Goleman, Jon Kabat-Zinn; HarperOne
+* The 7 Habits Of Highly Effective People; Stephen R. Covey; Simon & Schuster UK
+* Who Moved My Cheese?; Dr. Spencer Johnson; Vermilion 
 * The Off Switch; Mark Cropley; Virgin Books
-* Buddah and Einstein walk into a Bar; Guy Joseph Ale, Claire Bloom; Blackstone Publishing
-* Ultralearning; Anna Laurent; Self-published via Amazon
-* Stop starting, start finishing; Arne Roock; Lean-Kanban University  
-* The Good Enough Job; Simone Stolzoff; Ebury Edge
-* So Good They Can't Ignore You; Cal Newport; Business Plus
+* The Power of Now; Eckhard Tolle; Yellow Kite
 * The Joy of Missing Out; Christina Crook; New Society Publishers
-* The Complete Software Developer's Career Guide; John Sonmez; Unabridged Audiobook
-* Soft Skills; John Sommez; Manning Publications
+* The Bullet Journal Method; Ryder Carroll; Fourth Estate
 * Influence without Authority; A. Cohen, D. Bradford; Wiley
+* Consciousness: A Very Short Introduction; Susan Blackmore; Oxford Uiversity Press
+* The Good Enough Job; Simone Stolzoff; Ebury Edge
 * Eat That Frog!; Brian Tracy; Hodder Paperbacks
-* Never Split the Difference; Chris Voss, Tahl Raz; Random House Business
+* Soft Skills; John Sommez; Manning Publications
+* Time Management for System Administrators; Thomas A. Limoncelli; O'Reilly
+* Search Inside Yourself - The Unexpected path to Achieving Success, Happiness (and World Peace); Chade-Meng Tan, Daniel Goleman, Jon Kabat-Zinn; HarperOne
 * Getting Things Done; David Allen
-* Slow Productivity; Cal Newport; Penguin Random House
-* Ultralearning; Scott Young; Thorsons
+* Psycho-Cybernetics; Maxwell Maltz; Perigee Books
 * The Obstacle Is The Way; Ryan Holiday; Profile Books Ltd
-* The 7 Habits Of Highly Effective People; Stephen R. Covey; Simon & Schuster UK
+* Never Split the Difference; Chris Voss, Tahl Raz; Random House Business
+* 101 Essays that change the way you think; Brianna Wiest; Audible
+* Digital Minimalism; Cal Newport; Portofolio Penguin
+* Solve for Happy; Mo Gawdat
 * Eat That Frog; Brian Tracy
-* Psycho-Cybernetics; Maxwell Maltz; Perigee Books
+* The Phoenix Project - A Novel About IT, DevOps, and Helping your Business Win; Gene Kim and Kevin Behr; Trade Select
+* Stop starting, start finishing; Arne Roock; Lean-Kanban University  
+* Deep Work; Cal Newport; Piatkus
+* Buddah and Einstein walk into a Bar; Guy Joseph Ale, Claire Bloom; Blackstone Publishing
+* Slow Productivity; Cal Newport; Penguin Random House
 
 => ../notes/index.gmi Here are notes of mine for some of the books
 
@@ -137,30 +137,30 @@ In random order:
 
 Some of these were in-person with exams; others were online learning lectures only. In random order:
 
-* Functional programming lecture; Remote University of Hagen
-* Developing IaC with Terraform (with Live Lessons); O'Reilly Online
-* The Well-Grounded Rubyist Video Edition; David. A. Black; O'Reilly Online
-* AWS Immersion Day; Amazon; 1-day interactive online training 
 * Apache Tomcat Best Practises; 3-day on-site training
-* Linux Security and Isolation APIs Training; Michael Kerrisk; 3-day on-site training
-* Scripting Vim; Damian Conway; O'Reilly Online
-* The Ultimate Kubernetes Bootcamp; School of Devops; O'Reilly Online
-* Algorithms Video Lectures; Robert Sedgewick; O'Reilly Online
+* Structure and Interpretation of Computer Programs; Harold Abelson and more...; 
 * 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)
+* The Ultimate Kubernetes Bootcamp; School of Devops; O'Reilly Online
+* Developing IaC with Terraform (with Live Lessons); O'Reilly Online
 * MySQL Deep Dive Workshop; 2-day on-site training
-* Structure and Interpretation of Computer Programs; Harold Abelson and more...; 
-* Ultimate Go Programming; Bill Kennedy; 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
+* Functional programming lecture; Remote University of Hagen
 * Protocol buffers; O'Reilly Online
+* Scripting Vim; Damian Conway; 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
+* The Well-Grounded Rubyist Video Edition; David. A. Black; O'Reilly Online
 * F5 Loadbalancers Training; 2-day on-site training; F5, Inc. 
+* AWS Immersion Day; Amazon; 1-day interactive online training 
+* Algorithms Video Lectures; Robert Sedgewick; O'Reilly Online
+* Ultimate Go Programming; Bill Kennedy; O'Reilly Online
+* Linux Security and Isolation APIs Training; Michael Kerrisk; 3-day on-site training
 
 ## Technical guides
 
 These are not whole books, but guides (smaller or larger) which I found very useful. in random order:
 
 * Raku Guide at https://raku.guide  
-* Advanced Bash-Scripting Guide 
 * How CPUs work at https://cpu.land
+* Advanced Bash-Scripting Guide 
 
 ## Podcasts
 
@@ -168,46 +168,46 @@ These are not whole books, but guides (smaller or larger) which I found very use
 
 In random order:
 
-* Maintainable
+* The Pragmatic Engineer Podcast
+* BSD Now
+* Hidden Brain
 * Fork Around And Find Out
 * Deep Questions with Cal Newport
-* Backend Banter
+* Fallthrough [Golang]
 * Dev Interrupted
-* Hidden Brain
-* The Changelog Podcast(s)
-* The Pragmatic Engineer Podcast
 * The ProdCast (Google SRE Podcast)
-* BSD Now
+* Maintainable
+* Backend Banter
+* The Changelog Podcast(s)
 * Cup o' Go [Golang]
-* Fallthrough [Golang]
 
 ### 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.
 
+* Go Time (predecessor of fallthrough)
 * CRE: Chaosradio Express [german]
-* Java Pub House
 * Modern Mentor
-* FLOSS weekly
 * Ship It (predecessor of Fork Around And Find Out)
-* Go Time (predecessor of fallthrough)
+* Java Pub House
+* FLOSS weekly
 
 ## Newsletters I like
 
 This is a mix of tech and non-tech newsletters I am subscribed to. In random order:
 
-* VK Newsletter
+* Applied Go Weekly Newsletter
+* Monospace Mentor
 * The Pragmatic Engineer
-* Andreas Brandhorst Newsletter (Sci-Fi author)
-* The Imperfectionist
 * byteSizeGo
-* Golang Weekly
-* Monospace Mentor
-* Changelog News
-* Applied Go Weekly Newsletter
 * Register Spill
+* Golang Weekly
+* VK Newsletter
 * Ruby Weekly
 * The Valuable Dev
+* Andreas Brandhorst Newsletter (Sci-Fi author)
+* Changelog News
+* The Imperfectionist
 
 # Formal education
 
diff --git a/gemfeed/atom.xml b/gemfeed/atom.xml
index 7f86085a..69b4940b 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>2025-02-13T10:21:17+02:00</updated>
+    <updated>2025-02-21T11:07:08+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" />
@@ -1289,33 +1289,33 @@ Jan 26 17:36:32 f2 apcupsd[2159]: apcupsd shutdown succeeded
 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">EDITOR</font><font color="#F3E651">=</font><font color="#ff0000">hx</font>
-<b><font color="#ffffff">export</font></b><font color="#ff0000"> </font><font color="#ff0000">VISUAL</font><font color="#F3E651">=</font><font color="#ff0000">$EDITOR</font>
-<b><font color="#ffffff">export</font></b><font color="#ff0000"> </font><font color="#ff0000">GIT_EDITOR</font><font color="#F3E651">=</font><font color="#ff0000">$EDITOR</font>
-<b><font color="#ffffff">export</font></b><font color="#ff0000"> </font><font color="#ff0000">HELIX_CONFIG_DIR</font><font color="#F3E651">=</font><font color="#ff0000">$HOME</font><font color="#F3E651">/.</font><font color="#ff0000">config/helix</font>
-
-<font color="#ff0000">editor</font><font color="#F3E651">::</font><font color="#ff0000">helix</font><font color="#F3E651">::</font><font color="#7bc710">random_theme ()</font><font color="#ff0000"> {</font>
-<font color="#ff0000">    </font><i><font color="#ababab"># May add more theme search paths based on OS. This one is</font></i>
-<font color="#ff0000">    </font><i><font color="#ababab"># for Fedora Linux, but there is also MacOS, etc.</font></i>
-<font color="#ff0000">    </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">theme_dir</font><font color="#F3E651">=</font><font color="#ff0000">/usr/share/helix/runtime/themes</font>
-<font color="#ff0000">    </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> </font><font color="#F3E651">!</font><font color="#ff0000"> -d </font><font color="#ff0000">$theme_dir</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">"Helix theme dir $theme_dir doesnt exist"</font>
-<font color="#ff0000">        </font><b><font color="#ffffff">return</font></b><font color="#ff0000"> </font><font color="#bb00ff">1</font>
-<font color="#ff0000">    </font><b><font color="#ffffff">fi</font></b>
-
-<font color="#ff0000">    </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">config_file</font><font color="#F3E651">=</font><font color="#ff0000">$HELIX_CONFIG_DIR</font><font color="#ff0000">/config</font><font color="#F3E651">.</font><font color="#ff0000">toml</font>
-<font color="#ff0000">    </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">random_theme</font><font color="#F3E651">=</font><font color="#bb00ff">"$(basename "</font><font color="#ff0000">$(</font><font color="#ff0000">ls </font><font color="#ff0000">$theme_dir</font><font color="#ff0000"> </font><font color="#F3E651">\</font>
-<font color="#ff0000">        </font><font color="#F3E651">|</font><font color="#ff0000"> grep -v random</font><font color="#F3E651">.</font><font color="#ff0000">toml </font><font color="#F3E651">|</font><font color="#ff0000"> grep </font><font color="#F3E651">.</font><font color="#ff0000">toml </font><font color="#F3E651">|</font><font color="#ff0000"> sort -R </font><font color="#F3E651">\</font>
-<font color="#ff0000">        </font><font color="#F3E651">|</font><font color="#ff0000"> head -n </font><font color="#bb00ff">1</font><font color="#F3E651">)</font><font color="#bb00ff">" | cut -d. -f1)"</font>
-
-<font color="#ff0000">    sed </font><font color="#bb00ff">"/^theme =/ { s/.*/theme = </font><font color="#ffffff">\"</font><font color="#bb00ff">$random_theme</font><font color="#ffffff">\"</font><font color="#bb00ff">/; }"</font><font color="#ff0000"> </font><font color="#F3E651">\</font>
-<font color="#ff0000">        </font><font color="#ff0000">$config_file</font><font color="#ff0000"> </font><font color="#F3E651">&gt;</font><font color="#ff0000"> </font><font color="#ff0000">$config_file</font><font color="#F3E651">.</font><font color="#ff0000">tmp </font><font color="#F3E651">&amp;&amp;</font><font color="#ff0000"> </font>
-<font color="#ff0000">        mv </font><font color="#ff0000">$config_file</font><font color="#F3E651">.</font><font color="#ff0000">tmp </font><font color="#ff0000">$config_file</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="#ff0000">$HELIX_CONFIG_DIR</font><font color="#ff0000">/config</font><font color="#F3E651">.</font><font color="#ff0000">toml </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b>
-<font color="#ff0000">    editor</font><font color="#F3E651">::</font><font color="#ff0000">helix</font><font color="#F3E651">::</font><font color="#ff0000">random_theme</font>
-<b><font color="#ffffff">fi</font></b>
+<pre><b><u><font color="#000000">export</font></u></b> EDITOR=hx
+<b><u><font color="#000000">export</font></u></b> VISUAL=$EDITOR
+<b><u><font color="#000000">export</font></u></b> GIT_EDITOR=$EDITOR
+<b><u><font color="#000000">export</font></u></b> HELIX_CONFIG_DIR=$HOME/.config/helix
+
+editor::helix::random_theme () {
+    <i><font color="silver"># May add more theme search paths based on OS. This one is</font></i>
+    <i><font color="silver"># for Fedora Linux, but there is also MacOS, etc.</font></i>
+    <b><u><font color="#000000">local</font></u></b> -r theme_dir=/usr/share/helix/runtime/themes
+    <b><u><font color="#000000">if</font></u></b> [ ! -d $theme_dir ]; <b><u><font color="#000000">then</font></u></b>
+        echo <font color="#808080">"Helix theme dir $theme_dir doesnt exist"</font>
+        <b><u><font color="#000000">return</font></u></b> <font color="#000000">1</font>
+    <b><u><font color="#000000">fi</font></u></b>
+
+    <b><u><font color="#000000">local</font></u></b> -r config_file=$HELIX_CONFIG_DIR/config.toml
+    <b><u><font color="#000000">local</font></u></b> -r random_theme=<font color="#808080">"$(basename "</font>$(ls $theme_dir \
+        | grep -v random.toml | grep .toml | sort -R \
+        | head -n <font color="#000000">1</font>)<font color="#808080">" | cut -d. -f1)"</font>
+
+    sed <font color="#808080">"/^theme =/ { s/.*/theme = </font>\"<font color="#808080">$random_theme</font>\"<font color="#808080">/; }"</font> \
+        $config_file &gt; $config_file.tmp &amp;&amp; 
+        mv $config_file.tmp $config_file
+}
+
+<b><u><font color="#000000">if</font></u></b> [ -f $HELIX_CONFIG_DIR/config.toml ]; <b><u><font color="#000000">then</font></u></b>
+    editor::helix::random_theme
+<b><u><font color="#000000">fi</font></u></b>
 </pre>
 <br />
 <span>So every time I open a new terminal or shell, <span class='inlinecode'>editor::helix::random_theme</span> gets called, which randomly selects a theme from all installed ones and updates the helix config accordingly.</span><br />
@@ -1324,16 +1324,16 @@ 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">paul@earth</font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> editor</font><font color="#F3E651">::</font><font color="#ff0000">helix</font><font color="#F3E651">::</font><font color="#ff0000">random_theme</font>
-<font color="#F3E651">[</font><font color="#ff0000">paul@earth</font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> head -n </font><font color="#bb00ff">1</font><font color="#ff0000"> </font><font color="#F3E651">~/.</font><font color="#ff0000">config/helix/config</font><font color="#F3E651">.</font><font color="#ff0000">toml</font>
-<font color="#ff0000">theme </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#bb00ff">"jellybeans"</font>
-<font color="#F3E651">[</font><font color="#ff0000">paul@earth</font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> editor</font><font color="#F3E651">::</font><font color="#ff0000">helix</font><font color="#F3E651">::</font><font color="#ff0000">random_theme</font>
-<font color="#F3E651">[</font><font color="#ff0000">paul@earth</font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> head -n </font><font color="#bb00ff">1</font><font color="#ff0000"> </font><font color="#F3E651">~/.</font><font color="#ff0000">config/helix/config</font><font color="#F3E651">.</font><font color="#ff0000">toml</font>
-<font color="#ff0000">theme </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#bb00ff">"rose_pine"</font>
-<font color="#F3E651">[</font><font color="#ff0000">paul@earth</font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> editor</font><font color="#F3E651">::</font><font color="#ff0000">helix</font><font color="#F3E651">::</font><font color="#ff0000">random_theme</font>
-<font color="#F3E651">[</font><font color="#ff0000">paul@earth</font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">~</font><font color="#ff0000"> </font><font color="#F3E651">%</font><font color="#ff0000"> head -n </font><font color="#bb00ff">1</font><font color="#ff0000"> </font><font color="#F3E651">~/.</font><font color="#ff0000">config/helix/config</font><font color="#F3E651">.</font><font color="#ff0000">toml</font>
-<font color="#ff0000">theme </font><font color="#F3E651">=</font><font color="#ff0000"> </font><font color="#bb00ff">"noctis"</font>
-<font color="#F3E651">[</font><font color="#ff0000">paul@earth</font><font color="#F3E651">]</font><font color="#ff0000"> </font><font color="#F3E651">~</font><font color="#ff0000"> </font><font color="#F3E651">%</font>
+<pre>[paul@earth] ~ % editor::helix::random_theme
+[paul@earth] ~ % head -n <font color="#000000">1</font> ~/.config/helix/config.toml
+theme = <font color="#808080">"jellybeans"</font>
+[paul@earth] ~ % editor::helix::random_theme
+[paul@earth] ~ % head -n <font color="#000000">1</font> ~/.config/helix/config.toml
+theme = <font color="#808080">"rose_pine"</font>
+[paul@earth] ~ % editor::helix::random_theme
+[paul@earth] ~ % head -n <font color="#000000">1</font> ~/.config/helix/config.toml
+theme = <font color="#808080">"noctis"</font>
+[paul@earth] ~ %
 </pre>
 <br />
 <h2 style='display: inline' id='a-better-version'>A better version</h2><br />
@@ -1344,33 +1344,33 @@ 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">EDITOR</font><font color="#F3E651">=</font><font color="#ff0000">hx</font>
-<b><font color="#ffffff">export</font></b><font color="#ff0000"> </font><font color="#ff0000">VISUAL</font><font color="#F3E651">=</font><font color="#ff0000">$EDITOR</font>
-<b><font color="#ffffff">export</font></b><font color="#ff0000"> </font><font color="#ff0000">GIT_EDITOR</font><font color="#F3E651">=</font><font color="#ff0000">$EDITOR</font>
-<b><font color="#ffffff">export</font></b><font color="#ff0000"> </font><font color="#ff0000">HELIX_CONFIG_DIR</font><font color="#F3E651">=</font><font color="#ff0000">$HOME</font><font color="#F3E651">/.</font><font color="#ff0000">config/helix</font>
-
-<font color="#ff0000">editor</font><font color="#F3E651">::</font><font color="#ff0000">helix</font><font color="#F3E651">::</font><font color="#ff0000">theme</font><font color="#F3E651">::</font><font color="#7bc710">get_random ()</font><font color="#ff0000"> {</font>
-<font color="#ff0000">    </font><b><font color="#ffffff">for</font></b><font color="#ff0000"> dir </font><b><font color="#ffffff">in</font></b><font color="#ff0000"> </font><font color="#ff0000">$(</font><font color="#ff0000">hx --health </font><font color="#F3E651">\</font>
-<font color="#ff0000">        </font><font color="#F3E651">|</font><font color="#ff0000"> awk </font><font color="#bb00ff">'/^Runtime directories/ { print $3 }'</font><font color="#ff0000"> </font><font color="#F3E651">|</font><font color="#ff0000"> tr </font><font color="#bb00ff">';'</font><font color="#ff0000"> </font><font color="#bb00ff">' '</font><font color="#F3E651">);</font><font color="#ff0000"> </font><b><font color="#ffffff">do</font></b>
-<font color="#ff0000">        </font><b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> -d </font><font color="#ff0000">$dir</font><font color="#ff0000">/themes </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b>
-<font color="#ff0000">            ls </font><font color="#ff0000">$dir</font><font color="#ff0000">/themes</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><font color="#F3E651">|</font><font color="#ff0000"> grep -F </font><font color="#F3E651">.</font><font color="#ff0000">toml </font><font color="#F3E651">|</font><font color="#ff0000"> sort -R </font><font color="#F3E651">|</font><font color="#ff0000"> head -n </font><font color="#bb00ff">1</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="#ff0000">}</font>
-
-<font color="#ff0000">editor</font><font color="#F3E651">::</font><font color="#ff0000">helix</font><font color="#F3E651">::</font><font color="#ff0000">theme</font><font color="#F3E651">::</font><font color="#7bc710">set ()</font><font color="#ff0000"> {</font>
-<font color="#ff0000">    </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">theme</font><font color="#F3E651">=</font><font color="#bb00ff">"$1"</font><font color="#F3E651">;</font><font color="#ff0000"> </font><b><font color="#ffffff">shift</font></b>
-
-<font color="#ff0000">    </font><b><font color="#ffffff">local</font></b><font color="#ff0000"> -r </font><font color="#ff0000">config_file</font><font color="#F3E651">=</font><font color="#ff0000">$HELIX_CONFIG_DIR</font><font color="#ff0000">/config</font><font color="#F3E651">.</font><font color="#ff0000">toml</font>
-
-<font color="#ff0000">    sed </font><font color="#bb00ff">"/^theme =/ { s/.*/theme = </font><font color="#ffffff">\"</font><font color="#bb00ff">$theme</font><font color="#ffffff">\"</font><font color="#bb00ff">/; }"</font><font color="#ff0000"> </font><font color="#F3E651">\</font>
-<font color="#ff0000">        </font><font color="#ff0000">$config_file</font><font color="#ff0000"> </font><font color="#F3E651">&gt;</font><font color="#ff0000"> </font><font color="#ff0000">$config_file</font><font color="#F3E651">.</font><font color="#ff0000">tmp </font><font color="#F3E651">&amp;&amp;</font><font color="#ff0000"> </font>
-<font color="#ff0000">        mv </font><font color="#ff0000">$config_file</font><font color="#F3E651">.</font><font color="#ff0000">tmp </font><font color="#ff0000">$config_file</font>
-<font color="#ff0000">}</font>
-
-<b><font color="#ffffff">if</font></b><font color="#ff0000"> </font><font color="#F3E651">[</font><font color="#ff0000"> -f </font><font color="#ff0000">$HELIX_CONFIG_DIR</font><font color="#ff0000">/config</font><font color="#F3E651">.</font><font color="#ff0000">toml </font><font color="#F3E651">];</font><font color="#ff0000"> </font><b><font color="#ffffff">then</font></b>
-<font color="#ff0000">    editor</font><font color="#F3E651">::</font><font color="#ff0000">helix</font><font color="#F3E651">::</font><font color="#ff0000">theme</font><font color="#F3E651">::</font><b><font color="#ffffff">set</font></b><font color="#ff0000"> </font><font color="#ff0000">$(editor::helix::theme::get_random)</font>
-<b><font color="#ffffff">fi</font></b>
+<pre><b><u><font color="#000000">export</font></u></b> EDITOR=hx
+<b><u><font color="#000000">export</font></u></b> VISUAL=$EDITOR
+<b><u><font color="#000000">export</font></u></b> GIT_EDITOR=$EDITOR
+<b><u><font color="#000000">export</font></u></b> HELIX_CONFIG_DIR=$HOME/.config/helix
+
+editor::helix::theme::get_random () {
+    <b><u><font color="#000000">for</font></u></b> dir <b><u><font color="#000000">in</font></u></b> $(hx --health \
+        | awk <font color="#808080">'/^Runtime directories/ { print $3 }'</font> | tr <font color="#808080">';'</font> <font color="#808080">' '</font>); <b><u><font color="#000000">do</font></u></b>
+        <b><u><font color="#000000">if</font></u></b> [ -d $dir/themes ]; <b><u><font color="#000000">then</font></u></b>
+            ls $dir/themes
+        <b><u><font color="#000000">fi</font></u></b>
+    <b><u><font color="#000000">done</font></u></b> | grep -F .toml | sort -R | head -n <font color="#000000">1</font> | cut -d. -f<font color="#000000">1</font>
+}
+
+editor::helix::theme::set () {
+    <b><u><font color="#000000">local</font></u></b> -r theme=<font color="#808080">"$1"</font>; <b><u><font color="#000000">shift</font></u></b>
+
+    <b><u><font color="#000000">local</font></u></b> -r config_file=$HELIX_CONFIG_DIR/config.toml
+
+    sed <font color="#808080">"/^theme =/ { s/.*/theme = </font>\"<font color="#808080">$theme</font>\"<font color="#808080">/; }"</font> \
+        $config_file &gt; $config_file.tmp &amp;&amp; 
+        mv $config_file.tmp $config_file
+}
+
+<b><u><font color="#000000">if</font></u></b> [ -f $HELIX_CONFIG_DIR/config.toml ]; <b><u><font color="#000000">then</font></u></b>
+    editor::helix::theme::<b><u><font color="#000000">set</font></u></b> $(editor::helix::theme::get_random)
+<b><u><font color="#000000">fi</font></u></b>
 </pre>
 <br />
 <span>I hope you had some fun. E-Mail your comments to <span class='inlinecode'>paul@nospam.buetow.org</span> :-)</span><br />
diff --git a/index.gmi b/index.gmi
index 3de12a6b..c4ce2b13 100644
--- a/index.gmi
+++ b/index.gmi
@@ -1,6 +1,6 @@
 # foo.zone
 
-> This site was generated at 2025-02-16T11:18:30+02:00 by `Gemtexter`
+> This site was generated at 2025-02-21T17:05:13+02:00 by `Gemtexter`
 
 Welcome to the foo.zone. Everything you read on this site is my personal opinion and experience. You can call me a Linux/*BSD enthusiast and hobbyist. I mainly write about tech, IT, programming and sometimes also about self-improvement here. And I also like coding.
 
diff --git a/notes/97-things-every-sre-should-know.gmi b/notes/97-things-every-sre-should-know.gmi
new file mode 100644
index 00000000..ff511964
--- /dev/null
+++ b/notes/97-things-every-sre-should-know.gmi
@@ -0,0 +1,311 @@
+# "97 Things Every SRE Should Know" book notes
+
+These are my personal book notes of Emil Stolarsky's and Jaime Woo's "97 Things Every SRE Should Know". They are for myself, but I hope they might be useful to you too.
+
+## Table of Contents
+
+* ⇢ "97 Things Every SRE Should Know" book notes
+* ⇢ ⇢ Introduction
+* ⇢ ⇢ Observability
+* ⇢ ⇢ The ancient art of writing things down
+* ⇢ ⇢ The teams health
+* ⇢ ⇢ Sharing responsibilities
+* ⇢ ⇢ The roles and the solo SRE
+* ⇢ ⇢ Being customer-focused
+* ⇢ ⇢ Don't have all the answers
+* ⇢ ⇢ Runbooks
+* ⇢ ⇢ Alerts per shift
+* ⇢ ⇢ Balancing velocity
+* ⇢ ⇢ The power in knowing how to be self-sufficient
+* ⇢ ⇢ Prioritize towards the overall reliability goal
+* ⇢ ⇢ The quiet time vs the burnout
+* ⇢ ⇢ Error budget as a learning budget
+* ⇢ ⇢ Introducing SRE
+* ⇢ ⇢ Heroes and On-Call Practices
+* ⇢ ⇢ Prevent failures through improved system design
+* ⇢ ⇢ On-call health and postmortems
+* ⇢ ⇢ Time Management and Cultural Considerations
+* ⇢ ⇢ Alert volume vs effectiveness
+
+## Introduction
+
+That willingness to learn makes sense for SREs, given the need to work with complex systems. The systems change constantly, and the role requires someone wanting to ask questions about how they work. Curiosity is a trait found in many SREs.
+
+It's normal (and fine) for some of our work to deal with immediate needs, but teams that operate only on the urgent side of the Eisenhower matrix are limited in what they can achieve. Nothing is ever perfect, so don’t aim for it. Ensure instead that you’re aiming to be reliable just enough of the time. Because that’s where the power is.
+
+* Why didn’t it work like it did yesterday? What changed?
+* It was as though production were a foreign land, and they