1.安装Ubuntu默认的Gnome桌面;
sudo apt-get install ubuntu-desktop
2.不安装默认组件,例如Evolution和OpenOffice;
sudo apt-get install --no-install-recommends ubuntu-desktop
3.安装xfce桌面;
sudo apt-get install xubuntu-desktop
4.安装KDE桌面;
sudo apt-get install kubuntu-desktop
5.重新安装Ubuntu默认桌面;
sudo apt-get --reinstall install ubuntu-desktop