deb http://ar.archive.ubuntu.com/ubuntu/ feisty main restricted universe multiverse
deb-src http://ar.archive.ubuntu.com/ubuntu/ feisty main restricted universe multiverse

deb http://ar.archive.ubuntu.com/ubuntu/ feisty-backports main restricted universe multiverse
deb-src http://ar.archive.ubuntu.com/ubuntu/ feisty-backports main restricted universe multiverse

deb http://security.ubuntu.com/ubuntu feisty-security main restricted universe multiverse
deb-src http://security.ubuntu.com/ubuntu feisty-security main restricted universe multiverse

deb http://medibuntu.sos-sts.com/repo/ feisty free non-free
deb-src http://medibuntu.sos-sts.com/repo/ fesity free non-free