Nagios

Attention document NON VALIDE

This howto provides a step by step walkthrough on installing the required components, and setting the default parameters (file paths, etc.) for Oreon to work with the default Nagios from Debian.

Installer le serveur virtuel

Creation de l'image :

# xen-create-image --hostname nagios --debootstrap --ip 193.49.133.77 --memory 1024MB --swap 2048Mb --vcpu 2

Demarrage de l'image :

# xm create -c nagios.cfg

Mot de passe root :

# passwd

Install required Debian packages

apache2

# apt-get install sudo apache2

mysql

# apt-get install mysql-server-5.0

php5

# apt-get install php5
# apt-get install php-db php-date
# apt-get install php5-gd php5-mysql php5-snmp php5-ldap
# apt-get install php-mail php-mail-mime php-net-smtp php-net-socket
# apt-get install php5-xmlrpc

rrdtool

# apt-get install rrdtool librrds-perl

snmp

# apt-get install snmp snmpd libnet-snmp-perl

Eventually configure snmpd on this machine:

# vi /etc/snmp/snmpd.conf
com2sec readonly  default         public
# /etc/init.d/snmpd restart
# snmpwalk -v1 -c public localhost
SNMPv2-MIB::sysDescr.0 = STRING: Linux debian 2.6.18-4-686 #1 SMP Wed May 9 23:03:12 UTC 2007 i686
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (1339340) 3:43:13.40
[...]
IPV6-MIB::ipv6IfAdminStatus.2 = INTEGER: up(1)
IPV6-MIB::ipv6IfOperStatus.1 = INTEGER: up(1)
IPV6-MIB::ipv6IfOperStatus.2 = INTEGER: up(1)

Additionnal PEAR modules

# pear upgrade pear
# pear install -o -f --alldeps DB_DataObject DB_DataObject_FormBuilder MDB2 Numbers_Roman \
Numbers_Words HTML_Common HTML_QuickForm HTML_QuickForm_advmultiselect HTML_Table Auth_SASL \
HTTP Image_Canvas Image_Color Image_Graph Image_GraphViz Net_Traceroute Net_Ping Validate XML_RPC SOAP

Nagios

telecharger les archives :

# wget http://switch.dl.sourceforge.net/sourceforge/nagios/nagios-3.0b3.tar.gz
# wget http://belnet.dl.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.9.tar.gz

decompresser nagios

# tar xvzf nagios-3.0b3.tar.gz
# cd nagios-3.0b3

on install :

# adduser nagios 
# groupadd nagcmd
# usermod -G nagcmd www-data
# usermod -G nagcmd nagios

# apt-get install gcc make g++ libpar-perl  
# apt-get install libcache-cache-perl libcache-memcached-perl libcache-perl libmemcache-dev memcached libsdl-perl
 

Il y a un probleme avec des librairies :

# ln -s /usr/lib/libperl.so.5.8.8 /usr/lib/libperl.so

# ./configure --with-command-group=nagcmd --with-default-perfdata --enable-embedded-perl --with-perlcache
# make all
# make full install

Installation des plugins :

# cd ..
# tar xvzf nagios-plugins-1.4.9.tar.gz
# cd nagios-plugins-1.4.9
# ./configure
# make
# make install

Mise a jour centreon

telecharger la derniere version sur le site

Command :

tar xvzf centreon-X cd centreon-X ./install.sh -u /etc/centreon/

Repondre y a toutes les questions

Aller sur la page de centreon et mettre a jour les bases de données.