Ubuntu安装中文输入法

参考

先配置ibus框架

https://jingyan.baidu.com/article/bad08e1ef4b2f109c85121b7.html

然后调出中文输入法

https://ask.youkuaiyun.com/questions/358089

change 
Keyboard input method system: fcitx
then, logout and login.

After that, search Fcitx Configuration, open input Method COnfiguration.
Click add,
uncheck Only Show Current Language.
Search Pinyin and add it.

Ctrl + Super + Space to change input method to pinyin, then you can input Chinese.