Ubuntu apt-get-update fails with 404
I went to update my Nagios server running Ubuntu Server 8.04 and received a 404 error when I tried to update the repositories. Something along the lines of 404 Not Found [IP: xx.xx.xx.xx]. Obviously, 8.04 is EOL so I guess when that happens they also move the official repositories too. Fix it with the following.
Replace all references of