We assuming have already configured nrpe on your nagios box and you are sudo’d/root
Steps:
adduser nagios (set the password)
cd /home/nagios
wget http://prdownloads.sourceforge.net/sourceforge/nagios/nrpe-2.12.tar.gz
* If this step fails visit http://www.nagios.org/download/addons for the latest URL
tar -zxvf nrpe-2.8.tar.gz
cd nrpe-2.12
apt-get install gcc gawk openssl
apt-get install make
apt-get install libssl-dev
apt-get install nagios-plugins
./configure
make all
make install-plugin
make install-daemon
make install-daemon-config
echo “only_from = 0.0.0.1” >> /usr/local/nagios/etc/nrpe.cfg
* Remember to replace 0.0.0.1 with your the IP address of your nagios server
cp init-script.debian /etc/init.d/nrpe
chmod 700 /etc/init.d/nrpe
/etc/init.d/nrpe start
You may want to make this script run on start up
update-rc.d nrpe defaults