Steps to Install Nagios Remote Plug-ins Execution (NRPE) daemon

The Monitored (target) host was running Redhat and the Monitoring (source) host was running Ubuntu.

Install (Target)

  • yum -y install nagios-nrpe.x86_64

Configure (Target)

  • Edit /etc/nagios/nrpe.cfg
    • Update: allowed_hosts to include (Source) host that will execute nrpe

Start and Update startp (Target)

  • service nrpe start
  • chkconfig nrpe on

Validate (Source)

In this case my monitoring host was an Ubuntu Server. Install the following on monitoring server:

  • aptitude -y install nagios-nrpe-server
  • aptitude -y install nagios-nrpe-plugin

From monitoring (Ubuntu) host run:

  • /usr/lib/nagios/plugins/check_nrpe -H <hostname>

You should get a response such as: NRPE v2.14

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