Setup Dell Openmanage on Centos 5.5 with Nagios check_openmanage plugin

Another tutorial that i wish to keep in mind before i need to do research again whenever i setup a new server.Basically for all dell server, you will most likely will like to setup Dell Openmanage software in your Linux server. The reason is pretty simple, Dell openmanage allows you to monitor almost every hardware in your server which can really benefit you a lot whenever some hardware fails.