Re: Check the age of a process

Yes, the uptime test can be used this way.

The process check will however alert if the process is not running - you can suppress this alert though: https://mmonit.com/monit/documentation/monit.html#Setting-an-event-filter <https://mmonit.com/monit/documentation/monit.html#Setting-an-event-filter>


Cheers,
Martin



> On 22 Aug 2019, at 19:28, David Jones via This is the general mailing list for monit <[email protected]> wrote:
> 
> What if I wanted to check for something running too long?  I tried this and it's alerting for not being present or for having less uptime.  Is it possible to negate the alerting logic so it's OK when something is not running or it's less that a certain age?
> 
> check process filter_grep_age matching filter_grep
>     if uptime > 7 hours then alert
> 
> This filter_grep command shouldn't run for more than a few hours or a user has forgotten to stop it.
> 
> From: monit-general <[email protected] <mailto:[email protected]>> on behalf of Lutz Mader <[email protected] <mailto:[email protected]>>
> Sent: Thursday, August 22, 2019 1:29 AM
> To: This is the general mailing list for monit <[email protected] <mailto:[email protected]>>
> Subject: Re: Check the age of a process
>  
> Hello Dave,
> a process uptime test ist available, see
> https://mmonit.com/monit/documentation/monit.html#UPTIME-TEST <https://mmonit.com/monit/documentation/monit.html#UPTIME-TEST>
> 
> The uptime test is availabel for the process and system service
> definitions only.
> 
> > Example of restarting the process every three days:
> >
> >  check process myapp with pidfile /var/run/myapp.pid
> >     start program = "/etc/init.d/myapp start"
> >     stop program = "/etc/init.d/myapp stop"
> >     if uptime > 3 days then restart
> 
> With regards,
> Lutz
> 
> p.s.
> The test is available since some years (I find the test in Monit 5.16).
> Check the used Monit version with the command "monit -V".