Nagios NSCA

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	Not reviewed:
	This howto or contrib has not been reviewed and might contain code that could harm your installation. For more information on the review process have a look at the Development Review page.

Maintainer

Michael Weinberger

Introduction

This document describes the installation of Nagios Distributed Monitoring (NSCA).

	Warning:
	This is untested and may not work as expected

	Incomplete:
	This article or section needs to be expanded. Please help to fill the gaps or discuss the issue on the talk page

Download

Download the packages and files from http://mirror.contribs.org/smeserver/contribs/michaelw/sme7/Nagios3/packages/ manually or run the the script wgetall to download all in one go.

bash < wgetall

Installation

Configure the dag repositoy

see dag repository

NSCA installation (Distributed Monitoring)

Installation of a distributed server

/usr/bin/yum --enablerepo=dag install \
 nagios-plugins \
 nagios-plugins-nrpe \
 nagios-plugins-setuid \
 perl-Config-Tiny

/usr/bin/yum --enablerepo=dag localinstall \
 smeserver-nagios-nsca-*.noarch.rpm \
 smeserver-nagios-backup-*.noarch.rpm \
 perl-Nagios-Plugin-*.noarch.rpm \
 smeserver-nagios-plugins-*.noarch.rpm \
 nagios-plugins-generic-*.noarch.rpm \
 nagios-plugins-temptrax-*.el4.rf.i386.rpm \
 nagios-of-plugins-*.noarch.rpm

Configuration of a distributed server

Configure the distributed server by editing the client config file /etc/nagios/send_nsca.cfg. Read more here.

Required installation on the central Nagios server

/usr/bin/yum --enablerepo=dag localinstall smeserver-nagios-nsca-*.noarch.rpm

NSCA configuration on the central Nagios server

Configure the TCP wrapper.

config set nsca service
config setprop nsca HostsAllow "127.0.0.1 DISTRIBUTED_SERVER_IP"
expand-template /etc/hosts.allow

Configure the NSCA service by editing the config file /etc/nagios/nsca.cfg. Read more here. Restart the service to make the configuration effective:

service nsca restart

Uninstall

This removes the installed Nagios packages.

service nsca stop

rpm -e \
 nagios \
 nagios-nsca \
 nagios-plugins-nrpe \
 smeserver-nagios-nsca \
 smeserver-nagios-backup \
 nagios-of-plugins \
 nagios-plugins-generic \
 nagios-plugins-setuid \
 nagios-plugins-temptrax \
 perl-Nagios-Plugin \
 smeserver-nagios-plugins-mysql

expand-template /etc/hosts.allow

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