Re: cron @shutdown

From: Cy Schubert <>
Date: Mon, 15 Aug 2022 18:07:21 UTC
In message <>, Jan Bramkamp 
> On 02.08.22 16:54, Cy Schubert wrote:
> > Hi,
> >
> > Does anyone think there might be some utility with an @shutdown crontab(5)
> > "nickname" similar to @reboot but instead when cron shuts down?
> >
> > I pointed out to one of my customers that @reboot might be an option
> > instead of an rc script (or in his case a systemd unit file). Not that an
> > @reboot for FreeBSD cron would contribute to solving his Linux problem but
> > might our users be interested in something like this?
> How would this interact with signaling and restarting the cron daemon? 
> Are there status files or something similar allowing cron to tell a 
> `pkill cron` from a `service cron restart` from a real `shutdown -p now`?

Typically cron is rarely restarted. However, at $JOB it is expected that 
scripts that are called in this manner should use some kind of lock file to 
avoid starting another instance of the applicaion.

Cy Schubert <>
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