1.ubuntu 中安装vim
http://jingyan.baidu.com/article/046a7b3efd165bf9c27fa915.html
2.linux 系统中安装SSH
http://jingyan.baidu.com/article/08b6a591f0fafc14a9092275.html
3.ubuntu 系统中安装SSH
http://jingyan.baidu.com/article/9c69d48fb9fd7b13c8024e6b.html