deb http://archive.ubuntu.com/ubuntu/ quantal main universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ quantal main universe multiverse

deb http://archive.ubuntu.com/ubuntu/ quantal-updates main universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ quantal-updates main universe multiverse

deb http://archive.ubuntu.com/ubuntu/ quantal-backports main universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ quantal-backports main universe multiverse

deb http://security.ubuntu.com/ubuntu quantal-security main universe multiverse