Nagios
Installing Nagios[edit | edit source]
Installing Nagios Prerequisites[edit | edit source]
You can use yum to install these packages by running the following commands (as root):
yum install httpd yum install gcc yum install glibc glibc-common yum install gd gd-devel
Nagios Account Setup[edit | edit source]
/usr/sbin/useradd nagios passwd nagios
/usr/sbin/groupadd nagcmd /usr/sbin/usermod -G nagcmd nagios /usr/sbin/usermod -G nagcmd apache
Downloading and Compiling Nagios[edit | edit source]
wget http://superb-west.dl.sourceforge.net/sourceforge/nagios/nagios-3.0.1.tar.gz wget http://superb-west.dl.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.11.tar.gz
tar xzf nagios-3.0.1.tar.gz cd nagios-3.0.1
./configure --with-command-group=nagcmd make all
make install make install-init make install-config make install-commandmode
Customize Nagios Configuration[edit | edit source]
make install-webconf
htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin
/sbin/service httpd restart
Compile and Install the Nagios Plugins[edit | edit source]
Extract the Nagios plugins source code tarball.
cd ~/downloads tar xzf nagios-plugins-1.4.11.tar.gz cd nagios-plugins-1.4.11
Compile and install the plugins.
./configure --with-nagios-user=nagios --with-nagios-group=nagios make make install
Starting and Running Nagios[edit | edit source]
Add Nagios to the list of system services and have it automatically start when the system boots.
chkconfig --add nagios chkconfig nagios on
Verify the sample Nagios configuration files.
/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
If there are no errors, start Nagios.
/sbin/service nagios start