Centreon Deployment

Chris Scicluna

Contents

1. What is Centreon?

2. Installation

– 2.1. Nagios Installation

– 2.2. Centreon Installation

3. Screenshots: Monitoring, Configuration and more

4. Demo

What is Centreon? Monitors servers, switches, services, etc through SNMP

What is Centreon? Distributed, scalable monitoring.

What is Centreon?

Includes real time front end management

GUI management

Nagios Config File

What is Centreon?

Other points about centreon v2:

Based on open source monitoring engine Nagios3

Provides load distribution and high availability

Flexibility and modularity enhanced over nagios

Installation – Prerequisites

A clean installation of Ubuntu Server Edition was installed

Centreon main prerequisites :– Apache– Php– MySql

– Mail (Exim or Postfix)– Compiler

All the prerequisites can be installed in one go:

apt-get install sudo bsd-mailx lsb-release build-essential apache2 apache2-mpm-prefork php5 php5-mysql php-pear php5-ldap php5-snmp php5-gd mysql-server libmysqlclient15-dev rrdtool librrds-perl libconfig-inifiles-perl libcrypt-des-perl libdigest-hmac-perl libdigest-sha1-perl libgd-gd2-perl snmp snmpd libnet-snmp-perl libsnmp-perl libgd2-xpm libgd2-xpm-dev libpng12-dev postfix

Installation – Prerequisites

MySql will require password and confirmation

Postfix configuration – Select no configuration

5

Installation – Nagios 3 Create the nagios user : # /usr/sbin/useradd -m nagios# passwd nagios

Create a group for the nagios user and add apache to it:# /usr/sbin/groupadd nagcmd# /usr/sbin/usermod -G nagios,nagcmd nagios

Download, unpack, compile and install latest version:# cd /usr/local/src/# wget http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-3.2.1.tar.gz# tar -xzf nagios-3.2.1.tar.gz# cd nagios-3.2.1# ./configure --prefix=/usr/local/nagios --with-command-group=nagcmd --enable-nanosleep --

enable-event-broker# make all# make install# make install-init# make install-commandmode# make install-config

Installation – Nagios Plugins Download the latest edition of nagios plugins# cd /usr/local/src# wget http://ovh.dl.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.15.tar.gz

Install plugin prerequisites#apt-get install dnsutils fping#apt-get install libssl-dev#apt-get install libldap2-dev#apt-get install libpq-dev#apt-get install libradiusclient-ng-dev

Unpack, configure, compile and install nagios plugins:# tar -xzf nagios-plugins-1.4.15.tar.gz# cd nagios-plugins-1.4.15

# ./configure --with-nagios-user=nagios --with-nagios-group=nagios --with-openssl=/usr/bin/openssl --enable-perl-modules

# make # make install

Installation – NdoUtils Install mysql dev api as a prerequisite# sudo apt-get install libmysqlclient-dev

Download, unpack, configure, compile and install. Also make autorun.

# cd /usr/local/src# wget http://prdownloads.sourceforge.net/sourceforge/nagios/ndoutils-1.4b9.tar.gz# tar -xzf ndoutils-1.4b9.tar.gz# cd ndoutils-1.4b9

# ./configure --prefix=/usr/local/nagios/ --enable-mysql --disable-pgsql --with-ndo2db-user=nagios --with-ndo2db-group=nagios

# make# cp ./src/ndomod-3x.o /usr/local/nagios/bin/ndomod.o# cp ./src/ndo2db-3x /usr/local/nagios/bin/ndo2db# cp ./config/ndo2db.cfg-sample /usr/local/nagios/etc/ndo2db.cfg# cp ./config/ndomod.cfg-sample /usr/local/nagios/etc/ndomod.cfg# sudo chmod 774 /usr/local/nagios/bin/ndo*# sudo chown nagios:nagios /usr/local/nagios/bin/ndo*# cp ./daemon-init /etc/init.d/ndo2db# chmod +x /etc/init.d/ndo2db# update-rc.d ndo2db defaults

Installation – Centreon (Finally)

Download and unpack latest version# cd /usr/local/src/# wget http://download.centreon.com/centreon/centreon-2.1.8.tar.gz# tar -xzf centreon-2.1.8.tar.gz# cd centreon-2.1.8

Run the included installation script# export PATH="$PATH:/usr/local/nagios/bin/"# ./install.sh -i

CLI Installation Complete

Reload the apache configuration# /etc/init.d/apache2 reload

At this point, Centreon Installation is continued from the web GUI

GUI Installation - Centreon Browse to http://<server_name_or_IP>/centreon

Accept GNU public licence on the next screen.

GUI Installation - Centreon

GUI Installation - MySql

After this screen, verify database connection

GUI Installation – Create admin

GUI Installation – Config File

GUI Installation – MySQL db creation

Centreon Installation FINISHED

Screenshots : Monitoring

Screenshots : Configuration

Screenshots : Logging

Screenshots : Reporting

Live DemoQuestions?

Thank you for listening!