git 配置多用户

.ssh 下的 config.txt 内容

# 配置github.com
Host github.com                 
    HostName github.com
    IdentityFile ~/.ssh/id_rsa_github
    PreferredAuthentications publickey
    User [email protected]

# 配置jd git 
Host git.jd.com 
    HostName git.jd.com
    IdentityFile ~/.ssh/id_rsa
    PreferredAuthentications publickey
    User cnooc_zhangjianbin