// 解决没有system setting
sudo apt install ubuntu-desktop
// 解决依赖
sudo apt-get autoremove libcheese-gtk23 libcheese7
sudo apt install xserver-xorg-core xserver-xorg-video-dummy -y
sudo apt-get install --install-recommends linux-generic-lts-wily xserver-xorg-core-lts-wily xserver-xorg-lts-wily xserver-xorg-video-all-lts-wily xserver-xorg-input-all-lts-wily libwayland-egl1-mesa-lts-wily