Nagios Support Forum

I have read all 4 pages of posts but still am lost :) I am a REAL NOOBIE to Nagios and have installed it on CentOS 6.5 and am able to bring up the main Nagios Core screen with it working... What I do not understand is how to plug in this page: http://kb.digium.com/articles/FAQ/SERVER-DIAGNOSTICS?ret...