Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
A field-tested workflow for diagnosing why a systemd unit refuses to start, from status output to exit codes to the usual root causes.
A cron job silently stopped running for three weeks and nobody knew until the backups were missing. systemd timers give you the logging and status cron never did.
We migrated most scheduled jobs from cron to systemd timers. The wins, the gotchas, and the cases we kept on cron anyway.