Nagios 3 on Ubuntu

Environment

• Ubuntu 8.04

Procedures
Preparing needed applications

#apt-get install apache2
#apt-get install build-essential
#apt-get install libgd2-xpm-dev

Add new user account for Nagios

#useradd -m nagios
#passwd nagios

Add new group for external command

#groupadd nagcmd
#usermod -G nagcmd nagios
#usermod -G nagcmd www-data

Download Nagios and Nagios Plugins, just visit www.nagios.org to get the newest one

Install Nagios

#tar zxvf nagios-{version}.tar.gz
#tar zxvf nagios-plugins-{version}.tar.gz
#./nagios-{version}/configure --with-command-group=nagcmd
#./nagios-{version}/make all
#./nagios-{version}/make install
#./nagios-{version}/make install-init
#./nagios-{version}/make install-config
#./nagios-{version}/make install-commandmode

Change the contact email

#vim /usr/local/nagios/etc/contacts.cfg

Install web configation to Apache2

#./nagios-{version}/make install-webconf

Set password for logging in

#htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

Install plugins of Nagios to get more check script

#./nagios-plugins-{version}/configure --with-nagios-user=nagios --with-nagios-group=nagcmd
#make
#make install