Install Nagios & Plugins

[root@database ~]# yum -y install nagios nagios-plugins-all nagios-plugins-nrpe
		

Create the default Nagios web access user & set a password

# htpasswd -c /etc/nagios/passwd nagiosadmin
		

Verify default config files

nagios -v /etc/nagios/nagios.cfg		
		

Start Nagios

Start Nagios
		

Configure it to start on boot

chkconfig --levels 345 nagios on
		

http://localhost/nagios/