Northern Logbook

Notes on Linux servers, backups and small self-hosted tools.

Rotating PostgreSQL backups with a ten-line script

How I keep seven daily and four weekly dumps without any extra tooling.

Docker Compose: healthchecks that actually help

A few patterns for healthchecks that catch real failures instead of hiding them.

Why I moved my DNS to systemd-resolved

Less moving parts, sane caching, and a single place to look when something breaks.