deb http://ports.ubuntu.com/ vivid main restricted universe multiverse
# deb-src http://ports.ubuntu.com/ vivid main restricted universe multiverse
deb http://ports.ubuntu.com/ vivid-updates main restricted universe multiverse
# deb-src http://ports.ubuntu.com/ vivid-updates main restricted universe multiverse
deb http://ports.ubuntu.com/ vivid-security main restricted universe multiverse
# deb-src http://ports.ubuntu.com/ vivid-security main restricted universe multiverse
deb http://ports.ubuntu.com/ vivid-backports main restricted universe multiverse
# deb-src http://ports.ubuntu.com/ vivid-backports main restricted universe multiverse