SSH别名设置

原文来源：
https://serverfault.com/questions/215007/associate-name-with-ip-for-ssh

1. 设置

设置语法:

# ~/.ssh/config
Host database
    HostName <real IP address or hostname here>
    User username

使用例子:

# ~/.ssh/config
Host database
    HostName 10.125.128.245
    User wukong

2. 使用

ssh database #等效 ssh wukong@10.125.128.245