How to get an "alert" when a process dies

#21 07-25-2008, 07:39 AM

In article ,
nicc777 wrote:
>Is there a way to trigger an event (like running a script) when a
>process dies? Perhaps even a script to restart a process if it detects
>that it's dead?

Drop it into inittab. Job done.

Chris

#22 07-25-2008, 08:15 PM

nicc777 wrote:

> Even though I use Linux a lot, I have not been doing a lot of hard
> core Linux sysadmin stuff for some time, hence the question here :-)
>
> Is there a way to trigger an event (like running a script) when a
> process dies? Perhaps even a script to restart a process if it detects
> that it's dead?
>
> I have been using cron for monitoring processes up to now, but the
> monitoring interval is 1 minute apart. I have a project (streaming of
> nature) that should not go down, but the problem is that sometimes it
> dies and it takes up to a minute before the traditional monitoring
> script will restart it.
>
> Any ideas?

Wrap it with something like

while [ ! -e /var/run/yourprogram.stop ]; do
yourprogram
sleep 1
done

This restarts the program as long as no file
/var/run/yourprogram.stop exists.

Florian
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