How to install PNP4Nagios in CentOs 5.6

1. Resolving dependencies

$ yum install rrdtool
$ yum install php-gd

2. Download and Install PNP4Nagios

$ mkdir /opt ; mkdir /opt/Nagios
$ cd /opt/Nagios
$ wget http://sourceforge.net/projects/pnp4nagios/files/latest/download?source=files
$ tar -xvzf pnp4nagios-0.6.17.tar.gz
$ cd ./pnp4nagios-0.6.17
$ ./configure
$ ./configure --with-nagios-user=nagios --with-nagios-group=nagios
$ which rrdtool #
$ ./configure --with-rrdtool=/usr/bin/rrdtool
$ make all
$ make install
$ make install-webconf
$ make fullinstall

3. Configure PNP4Nagios

$ vim /usr/local/nagios/etc/nagios.cfg
:
process_performance_data=1
:
service_perfdata_command=process-service-perfdata
host_perfdata_command=process-host-perfdata
:
$ 
$ vim /usr/local/nagios/etc/objects/commands.cfg
:
define command {
command_name    process-host-perfdata
command_line    /usr/bin/perl /usr/local/pnp4nagios/libexec/process_perfdata.pl -d HOSTPERFDATA
}
define command {
command_name    process-service-perfdata
command_line    /usr/bin/perl /usr/local/pnp4nagios/libexec/process_perfdata.pl
}
:
$ 
$ vim /usr/local/nagios/etc/objects/templates.cfg
:
#########################################################################
#########################################################################
#
# PNP4NAGIOS template
#
#########################################################################
#########################################################################

# PNP4Nagios host/service definitions

define host {
name       host-pnp
action_url /pnp4nagios/graph?host=$HOSTNAME$&srv=_HOST_
register   0
}
define service {
name       srv-pnp
action_url /pnp4nagios/graph?host=$HOSTNAME$&srv=$SERVICEDESC$
register   0
}
$ 
$ # Copy Javascript pop-ups to Nagios Web files
$ cp /opt/Nagios/pnp4nagios-0.6.17/contrib/ssi/status-header.ssi /usr/local/nagios/share/ssi/
$ chown nagios:nagios /usr/local/nagios/share/ssi/status-header.ssi
$ vim /usr/local/nagios/etc/objects/templates.cfg # reconfigure template for Javascripts pop-ups
:
define host {
name       host-pnp
action_url /pnp4nagios/graph?host=$HOSTNAME$&srv=_HOST_ class='tips' rel='/pnp4nagios/popup?host=$HOSTNAME$&srv=_HOST_
register   0
}
define service {
name       srv-pnp
action_url /pnp4nagios/graph?host=$HOSTNAME$&srv=$SERVICEDESC$ class='tips' rel='/pnp4nagios/popup?host=$HOSTNAME$&srv=$SERVICEDESC$
register   0
}
:
$
$ vim /usr/local/nagios/etc/objects/localhost.cfg # Use template on configuration
:
define host{
use                     linux-server,host-pnp
host_name               localhost
alias                   localhost - CentOs-5.6
address                 127.0.0.1
}
:
define service{
use                     local-service,srv-pnp
host_name               vmwsrv01
service_description     Root Partition
check_command           check_local_disk!20%!10%!/
       }
:
$
$ /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg # Check configuration files
$

4. Restarting services nagios and apache

$ service nagios restart
$ service httpd restart

5. Check PNP4Nagios WebInterface check Instalation

$ http://localhost/pnpw4nagios
$
$ mv /usr/local/pnp4nagios/share/install.php /usr/local/pnp4nagios/share/install_done.php

6. References

• http://www.vivaolinux.com.br/artigo/Instalando-o-Nagios-Core-3.2+Nagios-Plugins+NRPE+NSClient+++pnp4nagios+FrontEnd-no-Ubuntu-10.4-LTS?pagina=12
• http://www.pnp4nagios.org/
• http://www.productionmonkeys.net/guides/nagios/addons/pnp4nagios