deb cdrom:[Debian GNU/Linux 4.0 r1 _Etch_ - Official i386 CD Binary-1 20070819-11:52]/ etch contrib main

deb http://gulus.usherbrooke.ca/debian/ etch main
deb-src http://gulus.usherbrooke.ca/debian/ etch main

deb http://security.debian.org/ etch/updates main contrib
deb-src http://security.debian.org/ etch/updates main contrib
deb http://www.virtualbox.org/debian etch non-free
deb http://download.webmin.com/download/repository sarge contrib