MODOP - Installation Centreon sur Centos7

L’installation est faite sur une socle OS Linux Minimal

Mise à jour de l’OS (root)

[root@supervision chris]# yum update && yum upgrade
[root@supervision chris]# yum install open-vm-tools nmap net-utils htop wget

Désactiver SeLinux (root)

[root@supervision chris]# vi /etc/selinux/config
SELINUX=disabled

Reboot

Désactiver l’IPV6 (root)

[root@supervision chris]# vi /etc/sysctl.conf
# désactivation de ipv6 pour toutes les interfaces
net.ipv6.conf.all.disable_ipv6 = 1
# désactivation de l’auto configuration pour toutes les interfaces
net.ipv6.conf.all.autoconf = 0
# désactivation de ipv6 pour les nouvelles interfaces (ex:si ajout de carte réseau)
net.ipv6.conf.default.disable_ipv6 = 1
# désactivation de l’auto configuration pour les nouvelles interfaces
net.ipv6.conf.default.autoconf = 0

[root@supervision ~]# sysctl -p

Installation via les dépôts Centreon (User )

[chris@supervision ~]$ sudo yum install wget
[chris@supervision ~]$ wget http://yum.centreon.com/standard/3.4/el7/stable/noarch/RPMS/centreon-release-3.4-4.el7.centos.noarch.rpm

[chris@supervision ~]$ sudo yum install --nogpgcheck centreon-release-3.4-4.el7.centos.noarch.rpm

Installation Base de Données (User)

[chris@supervision ~]$ sudo yum install MariaDB-server
[chris@supervision etc]$ sudo systemctl enable mariadb
[chris@supervision etc]$ sudo systemctl restart mariadb

Changement Mot de passe Root Mariadb

[root@supervision ~]# mysqladmin -u root password
New password:
Confirm new password:

Installation Serveur Centreon ( User)

[chris@supervision etc]$ sudo yum install centreon-base-config-centreon-engine centreon
[chris@supervision etc]$ sudo find / -name php.ini
/etc/php.ini

[chris@supervision etc]$ sudo vi /etc/php.ini
Modifier la ligne
[Date]
; Defines the default timezone used by the date functions
; http://php.net/date.timezone
;date.timezone =

Par


[Date]
; Defines the default timezone used by the date functions
; http://php.net/date.timezone
date.timezone = Europe/Paris

Désactiver le Firewall dans un premier temps, on le réactivera si besoin. (User)

[chris@supervision etc]$ sudo systemctl stop firewalld
[chris@supervision etc]$ sudo systemctl disable firewalld
Removed symlink /etc/systemd/system/multi-user.target.wants/firewalld.service.
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.

Activation des Services Nécessaires à Centreon (User)

[chris@supervision etc]$ sudo systemctl enable httpd.service
Created symlink from /etc/systemd/system/multi-user.target.wants/httpd.service to /usr/lib/systemd/system/httpd.service.

[chris@supervision etc]$ sudo systemctl enable snmpd.service
Created symlink from /etc/systemd/system/multi-user.target.wants/snmpd.service to /usr/lib/systemd/system/snmpd.service.

[chris@supervision etc]$sudo systemctl start httpd

Conf Centreon Mariadb Service

[chris@supervision ~]$ sudo vi /etc/systemd/system/mariadb.service.d/centreon.conf
[Service]
LimitNOFILE=32000

[chris@supervision ~]$ sudo systemctl daemon-reload
[chris@supervision ~]$ sudo systemctl restart mariadb

Configurer Centreon via l’interface Web
http://IP_Machine_Centreon/centreon

« Next »

Les prérequis sont OK en vert « Next »

« Next »

Création compte Admin

Création compte Mysql
L’étape dure un peu de temps …

« Finish »

Se connecter

Changement de langue

[chris@supervision ~]$ yum install centreon-lang-fr_FR

Puis sur le profil de votre User « Admin »

Installation du collecteur Centreon

[chris@supervision ~]$ sudo systemctl enable centengine
[chris@supervision ~]$ sudo systemctl enable cbd
[chris@supervision ~]$ sudo systemctl start centengine
[chris@supervision ~]$ sudo systemctl start cbd

Changement de mot de passe pour l’utilisateur centreon.

[chris@supervision ~]$ sudo passwd centreon
Nouveau mot de passe : « nouveau mot de passe »
Retapez le nouveau mot de passe : « nouveau mot de passe »

[chris@supervision ~]$ su - centreon
[centreon@supervision ~]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/var/spool/centreon/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /var/spool/centreon/.ssh/id_rsa.
Your public key has been saved in /var/spool/centreon/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:zDmpZJ8pkWaAtmWhi6Q5phhmR5IgtJQZJiuJCGsLbQQ centreon@supervision
The key's randomart image is:
+---[RSA 2048]----+
|E*= . |
|XOoo . |
|O**.+ |
|*=+= . + o |
|*=o. B S |
|*o. = + + |
|o o + |
| . |
| |
+----[SHA256]-----+

[centreon@supervision ~]$ ssh-copy-id centreon@192.168.1.140
/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/var/spool/centreon/.ssh/id_rsa.pub"
The authenticity of host '192.168.1.140 (192.168.1.140)' can't be established.
ECDSA key fingerprint is SHA256:OKIdtnGBaJ/fn1hv7Han6uUOeZSI2grvwz5M38b6bZA.
ECDSA key fingerprint is MD5:ff:c0:38:e4:8a:99:51:47:97:e0:38:b2:a3:6b:d5:da.
Are you sure you want to continue connecting (yes/no)? yes
/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
centreon@192.168.1.140's password:
Number of key(s) added: 1
Now try logging into the machine, with: "ssh 'centreon@172.0.0.1'"
and check to make sure that only the key(s) you wanted were added.

Le collecteur passe de « not running » à « running »

Si le collecteur ne démarre pas

[root@supervision archives]# service centengine restart && service centcore restart

Installation des Modules/plugin

[root@supervision archives]# yum clean all && yum update
[root@supervision archives]# yum install centreon-plugin-* --skip-broken
[root@supervision archives]# sudo yum install nagios-plugins*

Installer les Modules

Suscription

« Setup »

Modification des users/Group sur les plugin

[root@supervision archives]# chown centreon:centreon /usr/lib/centreon/plugins/*
[root@supervision archives]# chown -R centreon:centreon /usr/lib/nagios/plugins

Installer des plugins de base
Exemple => Création Un host + Commande Ping

Test Sous Ligne Commande

[root@mrf-supervision ~]# su - centreon
[centreon@mrf-supervision ~]$ cd /usr/lib/nagios/plugins/
[centreon@mrf-supervision plugins]$ ./check_fping test.house.cpb
FPING OK - dmags.valles.ratp (loss=0%, rta=0.270000 ms)|loss=0%;;;0;100 rta=0.000270s;;;0.000000

Création de la commande sur Centreon