Install Nagios in 1 command on Ubuntu and Debian Squeez

Nagios ( is a popular open source computer system and network monitoring software application. It watches hosts and services, alerting users when things go wrong nagios_logoand again when they get better.

Nagios was originally designed to run under GNU/Linux, but also runs well on other Unix variants. It is free software, licensed under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.

In our previous posts, we did show you how to install Nagios from source in Ubuntu, today we wil see together  how to install Nagios in one command.

First  install  Step we will install  nagioa3  package using the command :

sudo apt-get   install  nagios3

Now  after  download is done.  insert  the  password  of  nagiosadmin user

After  the  installation  open thebrowser  http://localhost/nagios3  and insert  the  login admin and the password  inserted in the  step   before

Now  you  can check  your  monitored  services  and  you can  make more monitoring configuration for  your  Server