Nagios is a free service monitoring system, that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.
In this tutorial I will show you how to install Nagios on Debian 6. For this, I will use a fresh installed Debian 6 with minimalistic packages.
Step1. Install Nagios packages:
By default, Nagios packages are already included in Debian 6 main repository. To install them run this command:
root@nagios:/# apt-get install nagios*
This command will install all packages needed by nagios to work properly.
Step2. Now you will be presented with the question that you need to fill in the information required:
You will be asked first to enter the password for Admin. Choose a strong password and confirm it.
NOTE: This is the username and password you will use to log in to your nagios installation after configuration is complete. Continue Reading...