deb http://packages.linuxmint.com/ isadora main upstream import
deb http://archive.ubuntu.com/ubuntu/ lucid main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ lucid-updates main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu/ lucid-security main restricted universe multiverse
deb http://archive.canonical.com/ubuntu/ lucid partner
deb http://packages.medibuntu.org/ lucid free non-free