Instalación basica – Nagios

Instalación y configuración basica de Nagios en Fedora. Como primer paso ir a la consola y loguearse como root despues proceder con la instalación

Ejemplo:
Instalando Nagios:

[soporte@BMNG001 ~]$ su
Contraseña:
[root@BMNG001 soporte]# yum install nagios*

Iniciando servicios de Nagios y Apache:

[root@BMNG001 soporte]# services start nagios
[root@BMNG001 soporte]# services start httpd

Habilitar servicio de apache:

[root@BMNG001 soporte]# chkconfig httpd on

Crear password de administrador:

[root@BMNG001 soporte]# htpasswd -c /etc/nagios/passwd nagiosadmin 

Verifique su archivo de configuración:

[root@BMNG001 soporte]# vi /etc/httpd/conf.d/nagios.conf
 
Creando los usuarios y grupos:

[root@BMNG001 soporte]# groupadd nagios
[root@BMNG001 soporte]# adduser nagios -g nagios
[root@BMNG001 soporte]# passwd nagios
[root@BMNG001 soporte]# usermod -G nagios nagios
[root@BMNG001 soporte]# usermod -G apache,nagios apache

Verificando la configuración:

[root@BMNG001 soporte]# nagios -v /etc/nagios/nagios.cfg

Nagios Core 3.4.1
Copyright (c) 2009-2011 Nagios Core Development Team and Community Contributors
Copyright (c) 1999-2009 Ethan Galstad
Last Modified: 05-11-2012
License: GPL

Website: www.nagios.org
Reading configuration data...
   Read main config file okay...
Processing object config file '/etc/nagios/objects/commands.cfg'...
Processing object config file '/etc/nagios/objects/contacts.cfg'...
Processing object config file '/etc/nagios/objects/timeperiods.cfg'...
Processing object config file '/etc/nagios/objects/templates.cfg'...
Processing object config file '/etc/nagios/objects/localhost.cfg'...
Processing object config file '/etc/nagios/objects/windows.cfg'...
   Read object config files okay...

Running pre-flight check on configuration data...

Checking services...
        Checked 61 services.
Checking hosts...
        Checked 8 hosts.
Checking host groups...
        Checked 2 host groups.
Checking service groups...
        Checked 0 service groups.
Checking contacts...
        Checked 1 contacts.
Checking contact groups...
        Checked 1 contact groups.
Checking service escalations...
        Checked 0 service escalations.
Checking service dependencies...
        Checked 0 service dependencies.
Checking host escalations...
        Checked 0 host escalations.
Checking host dependencies...
        Checked 0 host dependencies.
Checking commands...
        Checked 28 commands.
Checking time periods...
        Checked 5 time periods.
Checking for circular paths between hosts...
Checking for circular host and service dependencies...
Checking global event handlers...
Checking obsessive compulsive processor commands...
Checking misc settings...

Total Warnings: 0
Total Errors:   0

Things look okay - No serious problems were detected during the pre-flight check 

Ahora escribe en tu navegador tuIP/nagios y loguearte con tu nagiosadmin creado.

Ejemplo:

192.168.160.6/nagios

Area de Servicios

Este es una imagen de Nagios en un servidor de mi oficina:

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