1. 安装IBus
sudo apt-get install ibus-pinyin
system settings——>language support——>keyboard input method system 中选择 ibus
system settings——>Text Entry,添加chinese(pinyin)
2. 启动IBus
ibus-daemon -d -x -r #启动ibus，改步骤不能少
ibus-setup
原文：https://www.cnblogs.com/lenmom/p/9571907.html