I have installed Nagios on a Ubuntu 10.04 box and I am not able to see any other machines on my network. I went through all the cfg files and edited them as stated on Nagios site. I have the nsclient installed on 4 different windows based machines and non are showing up. I have spent almost 3 days trying to get this to work and have had no luck. I am going to be monitoring 100+ desktops and 20+ servers. I have made post on other sites and I was told to just use opennms. Any help would be great.