I have been using Sun Pinyin for quite a long time, but once I used Google Pinyin, I found it great. So, let me tell you how to install Google Pinyin in ubuntu. First, you should add a PPA source: Then, you should install Fcitx、Fcitx-googlepinyin: If you want to use "Cloud", you should install fcitx-module-cloudpinyin: Enjoy it!