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ยฉ 2025 - 2026 Nat Welch. All rights reserved.

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Wandering Thoughts

@chris_siebenmann@robot.villas

Unix, system administration, networking, and the practical details of running infrastructure.

Source: https://utcc.utoronto.ca/~cks/space/blog/?atom

Homepage: https://utcc.utoronto.ca/~cks/space/blog/

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Posts
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Posts

  • A systemd mystery with a very slow session start #Systemd #Linux #Troubleshooting

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    Aug 19, 2026
  • Some notes on rectangle regions in GNU Emacs #Emacs #Programming #TextEditor

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    Aug 18, 2026
  • Some thoughts on (not) using GNU Emacs' Tramp remote editing system #Emacs #Sysadmin #DevTools

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    Aug 17, 2026
  • Stopping a systemd service when a filesystem is unmounted #Systemd #Linux #SysAdmin

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    Aug 16, 2026
  • Grafana dashboards are a marvel of the modern web environment #Grafana #WebDev #SysAdmin

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    Aug 15, 2026
  • It helps to keep track of and investigate your clever ideas #SysAdmin #Productivity #TechTips

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    Aug 14, 2026
  • Revisiting Flymake and Flycheck in GNU Emacs (as of Flycheck v39) #Emacs #Programming #OpenSource

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    Aug 13, 2026
  • Modern (x86) firmware can be really slow to boot, which can be painful #Tech #SystemAdministration #Hardware

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    Aug 12, 2026
  • URLs aren't strings, and my recent encounter with this #Tech #WebDev #SysAdmin

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    Aug 11, 2026
  • Where I put default values for options in Python's argparse and why #Python #Programming #DevOps

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    Aug 10, 2026
  • Sometimes we do clean up network oddities #SysAdmin #Networking #Infrastructure

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    Aug 9, 2026
  • An irritating incompatible change in Python 3.14's <code>argparse</code> #Python #Programming #DevOps

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    Aug 8, 2026
  • Some ways to navigate through 'git blame' over time in GNU Emacs #Emacs #Git #Programming

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    Aug 7, 2026
  • Looking at the memory map of a Go 1.27 program on Linux #GoLang #Programming #SystemAdministration

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    Aug 6, 2026
  • Where a Linux kernel memory allocation error comes from #Linux #Kernel #SystemAdministration

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    Aug 5, 2026
  • What '<code>sh -x</code>' mostly doesn't tell you about a shell script #ShellScripting #Programming #SysAdmin

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    Aug 4, 2026
  • Bug reports are hard, minor details matter edition #SysAdmin #SoftwareDevelopment #Tech

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    Aug 3, 2026
  • Some reasons why my phone's alarm clock is so good #Tech #Mobile #Productivity

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    Aug 2, 2026
  • The Ubuntu 26.04 server installer and reusing existing data filesystems #Linux #SysAdmin #Ubuntu

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    Aug 1, 2026
  • My misunderstanding about tabs in Python 3 #Python #Programming #Coding

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    Jul 31, 2026
  • Solving my problem with the Emacs Lisp byte compilation checker #Emacs #Programming #Lisp

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    Jul 30, 2026
  • Getting access to the /tmp of a systemd service with <code>PrivateTmp=yes</code> #Systemd #Linux #Sysadmin

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    Jul 29, 2026
  • Trying to stress Apache to 10,000 connections (with no answer yet) #WebServers #Performance #SysAdmin

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    Jul 28, 2026
  • Getting a minimal environment for a third party GNU Emacs package #Emacs #Programming #SysAdmin

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    Jul 27, 2026
  • An unfortunate limitation of the Apache server status page #WebServers #Apache #SysAdmin

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    Jul 26, 2026
  • How you wind up with switches above your office's false ceiling #Sysadmin #Networking #Infrastructure

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    Jul 25, 2026
  • Maybe assigning TCP connection to Linux traffic control 'flows' #Linux #Networking #SysAdmin

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    Jul 24, 2026
  • The story of how we (eventually) found our missing firewall rule #Sysadmin #Networking #Troubleshooting

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    Jul 23, 2026
  • Making sense of diskless workstations through two models of them #SystemAdministration #Networking #Tech

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    Jul 22, 2026
  • Ubuntu 26.04 has broken shutdown announcements and <code>wall</code> doesn't work #Linux #SysAdmin #Networking

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    Jul 21, 2026
  • Changes in how something behaves are a signal (but can be hard to notice) #SysAdmin #Observability #Infrastructure

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    Jul 20, 2026
  • The Rust coreutils (uutils) are sticky in Ubuntu 26.04 LTS #Rust #Linux #OpenSource

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    Jul 19, 2026
  • How my desktops wound up with multiple D-Bus user session instances #Linux #SystemAdministration #Tech

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    Jul 18, 2026
  • Argc and argv in early Research Unix #Unix #SystemAdministration #Programming

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    Jul 17, 2026
  • The early Research Unix <code>exec(2)</code> argv size limit #Unix #SystemAdministration #TechHistory

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    Jul 16, 2026
  • Systemd and your user D-Bus session bus #Linux #Systemd #Tech

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    Jul 15, 2026
  • Prometheus 3.14's (likely) duration functions, especially <code>step()</code> #SysAdmin #Prometheus #DevOps

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    Jul 14, 2026
  • How early SunOS did diskless workstations before NFS #Unix #SystemAdministration #Networking

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    Jul 13, 2026
  • Finding an outdated Git mirror host #Git #SysAdmin #DevOps

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    Jul 11, 2026
  • A mistake I've made with the Apache <code>IfModule</code> directive #SysAdmin #WebDev #Apache

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    Jul 11, 2026
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