Ubuntu上安装ibus

step1:安装ibus所需环境

sudo apt-get install ibus ibus-clutter ibus-gtk ibus-gtk3 ibus-qt4

step2:启动ibus

im-switch -s ibus

step3:安装拼音引擎
sudo apt-get install ibus-pinyin

step4:安装中文包
system-settings->Language Support -> Language option-> 汉语, click button "Install/Remove Languages..."安装中文包

step5:设置ibus
ibus-setup
弹出ibus设置对话框，选择"Input Method"->"select Customize active input methods"打勾,then "Select an input method"->Chinese->Pinyin, click add button

step6:
ibus-daemon -drx
可以正常使用ibus拼音输入法了。