Simple Nagios Installation and Configuration.
Nagios Prerequisites: 1. Packages - Apache Web Server, PHP, gcc & gd libraries for compilation. 2. Should be configured with static IP & valid FQDN. 3. All the monitoring devices should be accessible from Nagios Host. A. Installation of Apache : #yum install httpd* Note : Now after httpd installation start webserver by, #service httpd start #chkconfig httpd on B. Install all dependency packages like, #yum install php* gcc* gd* C. Download Nagios "nagios-3.2.3.tar.gz" & "nagios-plugins-1.4.15.tar.gz" packages from below website, URL : http://www.nagios.org/download D. Nagios Installation : 1. Extract nagios-3.2.3.tar.gz package, #cd /root/Desktop/ #tar -zxvf nagios-3.2.3.tar.gz It will extract all files in "nagios-3.2.3" folder, 2. Add User "nagios" & provide password, #useradd nagios #passwd nagios #usermod -a -G nagios apache Note : The above command will p...