1
source | link

http://cloudfront.blogspot.com/2012/08/how-to-install-nagios-on-ubuntu-1204.html#.UYweEdcX63c

Original:

http://askubuntu.com/questions/145518/how-do-i-install-nagios

Didn't even bother to upload the images somewhere else, they still point to stack.imgur.

    Post Made Community Wiki by jrg