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This page describes how to set up Nagios on Ubuntu. Somewhat replaces the Nagios2 page.

This guide was done using Ubuntu 7.10 (Gutsy Gibbon)

Note that this information is no longer accurate for nagios3 (the latest version distributed with Karmic, etc.). See Nagios3.

Introduction

Nagios is an open source host, service and network monitoring program. The official homepage is http://nagios.org/

Preparations

If you are going to use mysql or pgsql for database store then do install that first.

sudo aptitude install mysql-server 

And to make the db configuration easier, please install dbconfig-common first. If you don't, then you will have to set up the database manually.

sudo aptitude install dbconfig-common

Shortcut for both

sudo aptitude install dbconfig-common mysql-server

Installation

Now it depends on what database you would like to use. The package name is nagios-<database> where database can be text, pgsql or mysql. So for installing with the mysql option use the following at the command line:

sudo apt-get install nagios-mysql

or use synaptic to install the package.

Shortcut

sudo aptitude install dbconfig-common mysql-server
sudo aptitude install nagios-mysql

Initial configuration

  • Set the password for the nagiosadmin user.

That's all to get it running! Navigate to http://nagios_server/nagios2 and log in to see your systems monitor. By default it monitors the machine it runs on and it's gateway to the Internet.

Configurationfiles

  • /etc/apache2/conf.d/nagios

See also


CategoryInternet CategoryNetworking

Nagios (last edited 2011-05-22 12:59:46 by giuseppeterrasi)