> > For monitoring availability, use mon. For monitoring
> performance, use MRTG.
> > Can't beat it.
> >
> > http://www.mrtg.org
>
> cricket is also good. and i believe newer versions of cricket will
> allow you to put hooks in to trigger events when things go above/below
> a threshold, so you send a trap to a mon server.
FWIW, MRTG can do this also, you can specify commands that should be executed if the monitored values exceed predefined thresholds.
http://people.ee.ethz.ch/~oetiker/webtools/mrtg/reference.html
Yours,
mjr
