Linux

Ubuntu创建新用户并增加管理员权限

http://www.linuxidc.com/Linux/2016-06/132218.htm

Ubuntu修改环境变量

http://feierky.iteye.com/blog/1817845

Ubuntu find命令详解

http://blog.csdn.net/felix_vip/article/details/6582472

解决 umount 时出现的 "Device is busy"

http://www.cnblogs.com/dkblog/archive/2012/07/18/2597192.html

Ubuntu 14.04远程登录服务器--ssh的安装和配置

http://jingyan.baidu.com/article/9c69d48fb9fd7b13c8024e6b.html