Most the machines in the Sheffield hacklab are running Ubuntu, this is a page form some notes about how they are set up.
The machine in the galler has this as it's /etc/apt/sources.list
deb cdrom:[Ubuntu 4.10 _Warty Warthog_ - Preview i386 Binary-1 (20041020)]/ unstable main restricted deb http://archive.ubuntu.com/ubuntu warty main restricted deb-src http://archive.ubuntu.com/ubuntu warty main restricted ## Uncomment the following two lines to add software from the 'universe' ## repository. ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## universe WILL NOT receive any review or updates from the Ubuntu security ## team. deb http://archive.ubuntu.com/ubuntu warty universe deb-src http://archive.ubuntu.com/ubuntu warty universe deb http://security.ubuntu.com/ubuntu warty-security main restricted deb-src http://security.ubuntu.com/ubuntu warty-security main restricted