How to Install Nagios NRPE on Ubuntu 14.04
Create Nagios User and Group useradd nagios groupadd nagcmd usermod -a -G nagcmd nagios Update your apt-get package lists: apt-get update Then install the required packages: apt-get install build-essential libgd2-xpm-dev openssl libssl-dev apache2-utils unzip -y Install Nagios apt-get install nagios3 -y –Local Only –OK –Create Web Admin (not needed) user: nagios pw: nagios Now we