cpu usage / memory usage

[Tobias Klausmann]

Hi! 

On Tue, 13 Feb 2007, Niels Hamaker wrote:
> the check_mem plugin is a simple and effective plugin to check memory. You 
> can find it on nagiosexchange.org.
> We generally don't check CPU usage, just load, but it depends on your 
> setup, the applications your running, which of the two is the most 
> informative. It would be useful to look into that.

The check_me.pl script that comes with Nagios 2.x (contrib/) is
broken, it uses the wrong columns of vmstat output to determine
free and used memory. Actually, what exactly constitutes free (or
usable?) memory probably is debatable.

Regards,
Tobias


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