Nagios Support Forum

And then this...

./check_tcp -H someOtherHost -p 23
TCP OK - 0.094 second response time on port 23|time=0.093786s;;;0.000000;10.000000

Start by making sure this works... [root@corp-nagios-001 libexec]# ./check_tcp check_tcp: No arguments found Usage:check_tcp -H host -p port [-w <warning time>] [-c <critical time>] [-s <send string>] [-e <expect string>] [-q <quit string>][-m <maximum bytes>] [-d <delay>] [-t <timeout seconds>] [-r...

For me best practice is one config file per system. If you edit nagios.cfg to include a configuration directory (instead of a bunch of configuration files) you don't even have to touch the top level nagios.cfg afterward, you just edit and add individual cfg files and restart.

In your first image, look at the lines drawn from the second and third routers out to their children. In the first case the lines will not enter the arc of "localhost" and in the second case they will not enter the arc of the first. The descendants of those systems are squeezed around acco...

A couple of things to realize. 1) Systems are drawn around the arcs in alphabetical order. You can arrange children of the same parent by changing their "Nagios name" accordingly. 2) The lines connecting a parent to it's child will never pass through the arc of the grandparent. (The map wo...