Loose Ends
Notes on servers, databases and small tools.
Small server backups with restic
26 Sep 2026A short setup for encrypted, deduplicated backups to any S3-compatible storage.
Replacing cron jobs with systemd timers
14 Sep 2026Why I moved nightly jobs to timers, and the two options that make them behave.
TCP keepalive defaults and half-dead connections
02 Sep 2026Why idle connections hang for two hours after a network drop.
Reading EXPLAIN ANALYZE without panic
24 Aug 2026The three numbers in a PostgreSQL plan that usually explain a slow query.