# deb cdrom:[Ubuntu-Server 16.04.1 LTS _Xenial Xerus_ - Release amd64 (20160719)]/ xenial main restricted
#deb cdrom:[Ubuntu-Server 16.04.1 LTS _Xenial Xerus_ - Release amd64 (20160719)]/ xenial main restricted
deb http://security.ubuntu.com/ubuntu xenial-security main
# deb-src http://security.ubuntu.com/ubuntu xenial-security main
deb http://security.ubuntu.com/ubuntu xenial-security universe
# deb-src http://security.ubuntu.com/ubuntu xenial-security universe
deb http://security.ubuntu.com/ubuntu xenial-security multiverse
# deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse