deb http://archive.ubuntu.com/ubuntu/ vivid main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ vivid-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ vivid-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ vivid-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ vivid main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ vivid-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ vivid-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ vivid-backports main restricted universe multiverse
显卡驱动：
sudo apt-add-repository ppa:xorg-edgers/ppa -y
sudo apt-add-repository ppa:ubuntu-x-swat/x-updates -y
sudo apt-get update -y
sudo apt-get install nvidia-current nvidia-settings -y