帮人倒腾了下，顺便记录下：
https://rivercitylabs.org/install-google-pinyin-on-ubuntu-14-04/
sudo apt-get install fcitx-googlepinyin im-config
Restart your computer. Click the keyboard in the top right corner. Press Configure Current Input Method. Press + to add a new language. De-select “Only show current language”. Type in Google-Pinyin. Press OK. To switch between keyboards press Ctrl+Space