What is Centreon?

Centreon is an Open Source software package that lets you supervise all the infrastructures and applications comprising your information system.
please check this for more information.

Dependencies
_ nagios
_ nagios-plugins
_ ndoutils
_ nrpe
_ make
_ sudo
_ apache (httpd server)
_ mysql (database server)
_ php
_ gd
_ gd-devel
_ perl
_ gcc
_ rrdtool
_ net-snmp

Step 1: Install Dependencies

root@linux: ~ # yum -y install make sudo gd gd-devel httpd* mysql* php* perl* gcc rrdtool* net-snmp*

if you can’t install rrdtool via yum, you can follow this:

1) add rpmforge repository

root@linux: ~ # yum -y install yum-priorities

2) edit file priorities.conf

root@linux: ~ # vim /etc/yum/pluginconf.d/priorities.conf

[main]
enable=1

3) download and install rpm forge

root@linux: ~ # wget http://apt.sw.be/redhat/el5/en/i386/RPMS.dag/rpmforge-release-0.3.6-1.el5.rf.i386.rpm
root@linux: ~ # rpm –import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
root@linux: ~ # rpm -K rpmforge-release-0.3.6-1.el5.rf.i386.rpm
root@linux: ~ # rpm -i rpmforge-release-0.3.6-1.el5.rf.i386.rpm

4) install rrdtool using yum

root@linux: ~ # yum -y install rrdtool rrdtool-devel perl-rrdtool

to install nagios, nagios-plugins, ndoutil, nrpe, you can check this.

Step 2: Compile Centreon

1)download package

root@linux: ~ # wget http://download.centreon.com/centreon/centreon-2.0.tar.gz

2) extract package

root@linux: ~ # tar -xzvf centreon-2.0.tar.gz

3) compile centreon

root@linux: ~ # cd centreon-2.0
root@linux: centreon-2.0 # ./install.sh -i

answer all question script. you can just press return as default.
or press key y for yes or n for no.

the location of RRDs.pm config will be :

/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi/RRDs.pm

the location of  PEAR.php config will be:

/usr/share/pear/PEAR.php

When done with the compilation you can check in http://yourdomain/centreon, and continue with web interface installation.

4)web interface installation
follow instruction on-screen and click Next button to continue installation. make sure those is OK result.
if there’s any problem, it’s give you declaration for help (step 4). if u get error like step 4 you can use chown and chmod for solution.

root@linux: ~ # chown -R nagios.apache /usr/local/nagios
root@linux: ~ # chmod -R 775 /usr/local/nagios


5) Test. Open your browser and goto http://yourdomain/centreon

Links:
+ http://www.google.com
+ http://tech-db.com/node/26
+ http://nagioswiki.com/wiki/index.php/Installing_Centreon_on_Centos_5