- March 18, 2026Turning on WAL mode in SQLite
What changes for readers and writers, the two extra files you will see, and when not to use it.
- February 2, 2026Rolling snapshots with rsync and hard links
Keep many dated copies of a directory while paying disk space only for what changed.
- December 9, 2025systemd timers instead of cron
A minimal timer and service pair, and the two options that make timers behave better than cron.
- October 21, 2025Tracking down a slow DNS lookup
A short checklist for the "everything is slow for exactly five seconds" problem.
- August 14, 2025Be explicit about text encoding in Python
Why a script that works on one machine prints garbage on another, and the one-line fix.
- June 3, 2025Running long jobs inside tmux
Start it, detach, close the laptop, come back later.