Nagios is used by Linux System Administrator for Network Monitoring Services. NRDP abbreviated as Nagios Remote Data Processor in this tutorial we are dealing with the how to install and integrate the NRDP Addon and Server with the Nagios 11 and Nagios Core.

How to Install & Integrate NRDP Addon on Nagios Core / 11 ?

Step-I ( Starting of Nagios Server and Login using root Credentials)
Step-II (Download of Nagios Remote Data Processor (NRDP) Archive)
# wget
Step-III (Create a DIR for Extraction of NRDP Archive)
# mkdir NRDP
Step-IV (Extact the Archive)
# unzip /NRDP
Step-V (Create a DIR for the Installation of NRDP)
# mkdir /usr/local/nrdp
Step-VI (Copy all files present on Extracted NRDP DIR to nrdp)
# cp -rv /NRDP/* /usr/local/nrdp
Step-VII (Set the write permissions to the nrdp DIR)
# chown -R nagios.nagios /usr/local/nrdp
Step-VIII (Edit the Configuration file of NRDP server php files)
# vim /usr/local/nrdp/server/
Add your token here
$cfg['authorized_tokens'] = array(
"ADD Your TOKEN Here",
Step-IX (Copy the nrdp.conf file to the Apache configuration folder)
# cp -rv nrdp.conf /etc/httpd/conf.d
Step-X (Edit the ndrp configuration file for Edit the NRDP Settings)
# vim /etc/httpd/conf.d/nrdp.conf
Step-XI (Restart the Apache Services)
# service httpd restart
Step-XII (Test the NRDP Server API)
Open the Web Browser type the given URL on browser
http://<ipaddress of Nagios Server>/nrdp
After opening the Page you must Add the TOKENS that you are assigning to the STEP-IX of this Procedure
Step-XIII (Usage of NRDP Client from NRDP )
Operate the client with command arguments
Operate the client without command arguments
/usr/bin/php /usr/local/nrdp/clients/send_nrdp.php

Congratulations now you have installed and integrated the NRDP Addon and Server with the Nagios 11 and Nagios Core. Also read How to Monitor Remote Linux Machines using SNMP on Nagios 11.