$ sudo apt-get update && sudo apt-get upgrade
$ sudo rpi-update
$ sudo reboot

cd /etc/network
sudo nano interfaces

iface eth0 inet static
address 192.168.7.50
netmask 255.255.255.0
gateway 192.168.7.1

pi@raspberrypi ~ $sudo nano resolv.conf
nameserver 192.168.7.1

sudo adduser sweetpi
sudo adduser sweetpi sudo

sudo apt-get install icinga icinga-doc

sudo apt-get install nagios-nrpe-server

nano /etc/nagios/nrpe.cfg

allowed_hosts=127.0.0.1, 192.168.7.50
dont_blame_nrpe=1

service nagios-nrpe-server restart

apt-get --no-install-recommends install nagios-nrpe-plugin

$ /usr/lib/nagios/plugins/check_nrpe-H

sudo nano ubuntusrv_icinga.cfg

sudo service icinga restart

sudo nano w2k12srv_icinga.cfg

$USER9$=averysecretpassword