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Systemd timers or classic cron? (infosec.pub)

submitted 3 days ago by cm0002@infosec.pub to c/linux@programming.dev

19 comments fedilink hide all child comments

Just learned of timers the other day, but I'm a cron guy, anybody out there using timers? Anything I'm missing out on?

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[–] thagoat@lemmy.dbzer0.com 16 points 3 days ago (2 children)

Also a cron guy, but systemd timers can do things like run at a preset time after start up if a schedule was missed due to power off or system suspension, and you can get more information about a failed timer with journalctl. Arch wiki has lots of good info. Still, I'm a cron guy. 🤷‍♂️ Set in my ways

[–] who@feddit.org 4 points 3 days ago

Are you unaware of anacron?

[–] mesamunefire@piefed.social 4 points 3 days ago* (last edited 3 days ago) (1 children)

You can do the same with cron btw depending on the OS(?). At least on debian systems. I think its @poweroff or @reboot if I recall correctly.

[–] prettybunnys@piefed.social 2 points 1 day ago (1 children)

It’s more than just power state, you can also toggle based on the state of other units (which you could chain normally too, but not time based) so you could start a service 10 minutes after another service has ran to completion, or after it’s died, etc.

[–] swelter_spark@reddthat.com 1 points 1 day ago

This is the only case in which I use timers, really, when I want something to run on startup, every once in a while, but only after it's confirmed that the internet is up.