/etc/apt/sources.list.d/ddebs.list:deb http://ddebs.ubuntu.com precise main restricted universe multiverse
/etc/apt/sources.list.d/ddebs.list:deb http://ddebs.ubuntu.com precise-updates main restricted universe multiverse
/etc/apt/sources.list.d/ddebs.list:deb http://ddebs.ubuntu.com precise-security main restricted universe multiverse
/etc/apt/sources.list.d/ddebs.list:deb http://ddebs.ubuntu.com precise-proposed main restricted universe multiverse