1 [Unit] 2 Description=Nightly restic backup 3 4 [Timer] 5 OnCalendar=*-*-* 02:30:00 6 # Catch up after the machine was off or asleep at 02:30. 7 Persistent=true 8 # Avoid every machine (and every wake) hammering the backend at once. 9 RandomizedDelaySec=15m 10 11 [Install] 12 WantedBy=timers.target