check_cpu: "no output returned from plugin"

[Guy Waugh]

Hi folks,

I've just installed the check_cpu plugin from Nemir Nemiria (thanks 
Nemir!), but nagios 1.2 is reporting 'no output returned from plugin'. 
Nagios is running on the host being monitored, and that host is a RHEL3 box.

It works fine from the command line (as the nagios user), but due to the 
fact that it runs vmstat with 2 readings 5 seconds apart, the plugin 
takes a little over 5 seconds to run. Could this be why nagios thinks 
the plugin is returning no output? Is there a setting that tells nagios 
to wait a certain amount of time for a plugin to return output? Or 
perhaps my assumption is wrong...

Thanks,
Guy.



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