deb http://us.archive.ubuntu.com/ubuntu/ %DIST% main restricted
deb http://us.archive.ubuntu.com/ubuntu/ %DIST%-updates main restricted
deb http://us.archive.ubuntu.com/ubuntu/ %DIST% universe
deb http://us.archive.ubuntu.com/ubuntu/ %DIST%-updates universe
deb http://us.archive.ubuntu.com/ubuntu/ %DIST% multiverse
deb http://us.archive.ubuntu.com/ubuntu/ %DIST%-updates multiverse
deb http://security.ubuntu.com/ubuntu %DIST%-security main restricted
deb http://security.ubuntu.com/ubuntu %DIST%-security universe
deb http://security.ubuntu.com/ubuntu %DIST%-security multiverse