Centos 6 – Install Nagios client from source

Published on Author gryzliLeave a comment

We are assuming that our Nagios Server has IP:

By default client NRPE will listen on port 5666, so make sure it’s enabled on IPTABLES.


Add nagios user


Install openssl devel


Install xinetd



Install Nagios NRPE

Current version of NRPE is 2.15.


Install Nagios Plugins


Allow Nagios Server connections

1. OpenĀ /usr/local/nagios/etc/nrpe.cfg and change:

2. OpenĀ /etc/xinet.d/nrpe

3. Open /etc/services and ensure there is the following line


Restart xinetd and enable by default


Finally try to issue nrpe command from the Nagios server

Logon to your Nagios Server and issue the following:

Results in something like that:

OK – load average: 0.01, 0.03, 0.00|load1=0.010;15.000;30.000;0; load5=0.030;10.000;25.000;0; load15=0.000;5.000;20.000;0;


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