Nagios

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Plugins

check software raid

• http://www.nagiosexchange.org/cgi-bin/page.cgi?g=1692.html;d=1

FAQ

Hosts or services simply not showing up

Check if you have more than one instances of nagios running

Debian complaining about rights on nagios.cmd

dpkg-statoverride --update --add nagios www-data 2710 /var/lib/nagios2/rw
dpkg-statoverride --update --add nagios nagios 751 /var/lib/nagios2

NRPE: Unable to read output

This could mean the plugins are not installed ( yes, on debian nrpe comes without those :)

CHECK_NRPE: Error receiving data from daemon.

Possibly SSL version mismatch, try check_nrpe -n

(No output returned from plugin)

Most likely ssl mismatch again. It can also mean you're using debian, where check_nrpe!check_something fails, since it expects one more argument. call 'check_nrpe_1arg' instead.

Error: Could not stat() command file '/var/lib/nagios3/rw/nagios.cmd'!

That's apache missing read rights to the path.

Could not read request from client, bailing out

another rather useless message, it might mean one end is using ssl and other end not