deb http://archive.ubuntu.com/ubuntu lucid main restricted multiverse universe
deb-src http://archive.ubuntu.com/ubuntu lucid restricted main multiverse universe
deb http://archive.ubuntu.com/ubuntu lucid-updates main restricted multiverse universe
deb-src http://archive.ubuntu.com/ubuntu lucid-updates restricted main multiverse universe
deb http://security.ubuntu.com/ubuntu lucid-security main restricted multiverse universe
deb-src http://security.ubuntu.com/ubuntu lucid-security restricted main multiverse universe
deb http://archive.ubuntu.com/ubuntu lucid-backports restricted main multiverse universe
deb-src http://archive.ubuntu.com/ubuntu lucid-backports restricted main multiverse universe

deb http://archive.canonical.com/ubuntu lucid partner
deb-src http://archive.canonical.com/ubuntu lucid partner