anacron and cron and laptop usage

ben darby ben at
Wed Jan 17 22:40:12 UTC 2007

* Georg Sauthoff wrote:
> On 2007-01-16, ben darby <ben at> wrote:
> Hi,
> >> Or one could use a cron daemon, where you are able to specify execution
> >> times like '7.30h or first time after that, but only once a day'. If the
> >> daemon uses sleep(3) this behaviour should be trivial to implement.
> > this already exists anacron and what it was specifically designed for,
> > have you read 'man anacron'?
> sure - no offense, but do you have read this thread? Or what passage of
> the man page are you referring to?
> To repeat the issue: I _am_ using anacron. With the default config anacron
> is only started at system startup and at 7:30 AM once a day, but only if
> the computer is running at that time. Thus if you only suspend your
> computer all the time - and it is never online at 7:30 - anacron is
> never ran again. I.e. anacron needs to run at least one time a day.

im refering to the whole section at the start of the man page, but i've found a
link that might give a clearer explanation for you.

ben darby
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