deb http://archive.ubuntu.com/ubuntu/ zesty main restricted
deb http://archive.ubuntu.com/ubuntu/ zesty-updates main restricted
deb http://archive.ubuntu.com/ubuntu/ zesty universe
deb http://archive.ubuntu.com/ubuntu/ zesty-updates universe
deb http://archive.ubuntu.com/ubuntu/ zesty multiverse
deb http://archive.ubuntu.com/ubuntu/ zesty-updates multiverse
deb http://archive.ubuntu.com/ubuntu/ zesty-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu zesty-security main restricted
deb http://security.ubuntu.com/ubuntu zesty-security universe
deb http://security.ubuntu.com/ubuntu zesty-security multiverse