MONITORING - Installation Nagios 3.0.6 sur Corni

Introduction

Article "bloc-note" sur l'installation de Nagios 3.0.6 sur Corni.peaudeau.fr.

But du Nagios: surveillance des services sur r14493.ovh.net, a.k.a rps.pedrono.fr.

Installation

Guide d'installation

Installation Nagios 3.x - Ubuntu quickstart

Téléchargement de Nagios

jules@corni:/home/jules/$ wget http://switch.dl.sourceforge.net/sourceforge/nagios/nagios-3.0.6.tar.gz
jules@corni:/home/jules/$ tar xvzf nagios-3.0.6.tar.gz
jules@corni:/home/jules/$ wget http://puzzle.dl.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.13.tar.gz
jules@corni:/home/jules/$ tar xvzf nagios-plugins-1.4.13.tar.gz

Vérification des prérequis

jules@corni:/home/jules/nagios-3.0.6$ dpkg -l|grep gcc
jules@corni:/home/jules/nagios-3.0.6$ dpkg -l|grep build
jules@corni:/home/jules/nagios-3.0.6$ sudo apt-get update
jules@corni:/home/jules/nagios-3.0.6$ sudo apt-get install build-essential
jules@corni:/home/jules/nagios-3.0.6$ sudo apt-cache search gd2
jules@corni:/home/jules/nagios-3.0.6$ sudo apt-get install libgd2-xpm-dev

Gestion des droits utilisateurs

jules@corni:/home/jules/nagios-3.0.6$ sudo useradd -m nagios
jules@corni:/home/jules/nagios-3.0.6$ sudo passwd nagios
Enter new UNIX password: 
Retype new UNIX password: 
passwd: password updated successfully
jules@corni:/home/jules/nagios-3.0.6$ 
jules@corni:/home/jules/nagios-3.0.6$ sudo usermod -G nagios nagios
jules@corni:/home/jules/nagios-3.0.6$ sudo groupadd nagcmd
jules@corni:/home/jules/nagios-3.0.6$ sudo usermod -a -G nagcmd nagios
jules@corni:/home/jules/nagios-3.0.6$ sudo usermod -a -G nagcmd www-data

Compilation de Nagios

jules@corni:/home/jules/nagios-3.0.6$ sudo ./configure --with-command-group=nagcmd
...
*** Configuration summary for nagios 3.0.6 12-01-2008 ***:

 General Options:
 -------------------------
        Nagios executable:  nagios
        Nagios user/group:  nagios,nagios
       Command user/group:  nagios,nagcmd
            Embedded Perl:  no
             Event Broker:  yes
        Install ${prefix}:  /usr/local/nagios
                Lock file:  ${prefix}/var/nagios.lock
   Check result directory:  ${prefix}/var/spool/checkresults
           Init directory:  /etc/init.d
  Apache conf.d directory:  /etc/apache2/conf.d
             Mail program:  /bin/mail
                  Host OS:  linux-gnu

 Web Interface Options:
 ------------------------
                 HTML URL:  http://localhost/nagios/
                  CGI URL:  http://localhost/nagios/cgi-bin/
 Traceroute (used by WAP):  
Review the options above for accuracy.  If they look okay,
type 'make all' to compile the main program and CGIs.

jules@corni:/home/jules/nagios-3.0.6$ sudo make all
...
jules@corni:/home/jules/nagios-3.0.6$ sudo make install
...
jules@corni:/home/jules/nagios-3.0.6$ sudo make install-init
...
jules@corni:/home/jules/nagios-3.0.6$ sudo make install-config
...
jules@corni:/home/jules/nagios-3.0.6$ sudo make install-commandmode
...

Configuration de Nagios

Contacts et ContactGroups

jules@corni:/home/jules/nagios-3.0.6$ sudo vi /usr/local/nagios/etc/objects/contacts.cfg 
...
define contact{
        contact_name                    nagiosadmin    
        use                             generic-contact
        alias                           Nagios Admin   
        email                           jules@pedrono.fr        
        }

define contact{
        contact_name                    denis           
        use                             generic-contact 
        alias                           Denis Peaudeau
        email                           denispeaudeau@gmail.com
        }
...
define contactgroup{
        contactgroup_name       admins
        alias                   Nagios Administrators
        members                 nagiosadmin,denis
        }