Re: anacron apm script

[Dan Christensen <jdc@uwo.ca>]

mi <Michael.Wordehoff@gmx.de> writes:

> Now there's a weakness, it seems.
> When the system boots up anacron checks if on mains power, and if not, exits 
> (no daemon started). On the other hand /etc/crontab shows that cron runs only 
> if no anacron is installed. So, while on battery, no cronjobs will be 
> performed.

Anacron isn't a daemon.  Cron periodically runs anacron, and if on ac
power, anacron does its thing.  See /etc/cron.d/anacron.

So everything works as it should.

> But what now if you bootup on AC, and then plug off ?
> Or maybe the power-station goes down.
> I didn't look it up completely, but what I've seen is indicating that after 
> booting there's no further testing performed.  

Again, anacron is restarted periodically, and each time it is started
it checks whether it is on ac power.

Dan