一、下載搜狗輸入法的deb包：
http://pinyin.sogou.com/linux/
二、打開終端輸入命令：
$ sudo dpkg -i sogoupinyin_2.0.0.0078_i386.deb
如果提示缺少依賴包：
dpkg: dependency problems prevent configuration of sogoupinyin:
sogoupinyin depends on libopencc2 | libopencc1; however:
Package libopencc2 is not installed.
Package libopencc1 is not installed.
sogoupinyin depends on fcitx-libs (>= 4.2.7); however:
Package fcitx-libs is not installed.
sogoupinyin depends on fcitx-libs-qt (>= 4.2.7); however:
Package fcitx-libs-qt is not installed.
輸入命令：
~$ sudo apt-get install libopencc1 fcitx-libs fcitx-libs-qt
安裝缺少的依賴包，安裝完畢后重啟系統完成安裝。
提示：上述幾個包不要分開安裝，否則還會提示缺少包依賴。