1.在Ubuntu中安裝KDE桌面命令
sudo apt-get install kubuntu-desktop
注銷
Ctrl+Alt+Backspace
2.設置中文環境
sudo apt-get install language-pack-kde-zh language-pack-kde-zh-base language-pack-zh language-pack-zh-base language-support-zh
3.切換到kdm和gdm的方法是：
sudo dpkg-reconfigure gdm
sudo dpkg-reconfigure kdm