#linux
3 posts tagged “linux”.
Debugging DNS with dig, step by step
The handful of dig commands I actually use when a hostname doesn't resolve, resolves to the wrong thing, or resolves for some people and not others.
The traps in set -euo pipefail
Bash strict mode is a good default, but -e has exceptions that surprise everyone at least once. The cases that bit me, with fixes.
systemd timers vs cron: why I finally switched
Cron is fine until a job overlaps, silently fails or misses a run during a reboot. Here's how systemd timers handle those cases and when I still reach for cron.