Nagios Support Forum

So i've just started a new job where i've inherited a Nagios Core setup, and am slowly working my way through many of the outstanding alerts. I've not used it before but am getting up to speed with how it works. I've noticed that i have a load of alerts across multiple servers all reporting " N...

From the /usr/local/nagios/etc/objects/commands.cfg file: # 'check_nt' command definition define command{ command_name check_nt command_line /usr/local/nagios/libexec/check_nt -H $HOSTADDRESS$ -p 12489 -s 'password' -v $ARG1$ $ARG2$ } From the /usr/local/nagios/etc/objects/services.cfg file: define ...

I have a server giving me an alert for Average Disk Write Queue Length on a Server 2008 R2 x64 saying "NSClient - ERROR: Invalid return from command: check_pdh" After some checking, i ran the following on the server at cmd prompt: typeperf "\Server Work Queues(0)\Queue Length" Wh...