systemd

Learn how cron and systemd timers schedule Linux tasks, how they differ, when to use each approach, and how to troubleshoot scheduled jobs that fail.

You have a program that should start automatically, keep running without an open terminal, restart after an unexpected failure, and produce logs you can inspect.

Learn how systemd coordinates Linux startup, what units and targets do, and how to inspect service definitions and dependencies without changing your server.

Your terminal closes, but the server keeps working. Learn how Linux services differ from background jobs, read systemd states and inspect services without changing them.