[Dovecot] Alerts when process limits are met

[Alex Crow]

On 01/09/12 09:10, David Anderson wrote:
> Hi,
>
> I've not found the answer to this question anywhere - please forgive 
> me if I overlooked.
>
> I'd like to be able to be automatically alerted if process limits are 
> hit (e.g. max POP3 logins).
>
> Is there a way that I can configure a script to be run, in the same 
> way that I can with quota warnings?
>
> I can of course use logwatch, but this alerts me the next day, and 
> logwatch can be noisy and it's easy to overlook.
>
> My motivation: for some reason my POP3 listener was hanging, and I had 
> to restart dovecot (this is 2.0.9). But I was not aware - the process 
> was still there, it was accepting connections (but not doing anything 
> useful with them) and was actually managing to log the fact that the 
> process limit was being hit (as more and more connections came in). If 
> I could have been alerted I could have restarted dovecot earlier.
>
> Many thanks,
> David
>

I believe that nagios or icinga could do this for you with a log 
analyser plugin.

http://exchange.nagios.org/directory/Plugins/Log-Files


Cheers

Alex