How to Schedule Tasks on Linux Using Systemd Timers Instead of Cron

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Modern Linux distributions running systemd offer a native alternative to cron for scheduling recurring tasks such as backups and log cleanup: Systemd Timers. A timer unit (.timer) and a matching service unit (.service) must share the same base filename and be placed in /lib/systemd/system/ for systemd to link them automatically. Key advantages over cron include native integration with journalctl for easier log monitoring and a Persistent=true option that runs missed tasks after a system restart. Once both unit files are created, running systemctl daemon-reload followed by systemctl enable --now activates the timer immediately. Administrators can verify scheduling with systemctl list-timers --all and monitor live execution logs using journalctl -f --system.

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