yum下载安装git服务

• yum install git

安装成功后，配置 用户 邮箱信息

注:　　youxiu326　　　　　　github账号名称

　　　 youxiu326@163.com    github账号对应邮箱

• git config --global user.name "youxiu326"
• git config --global user.email "youxiu326@163.com"

配置ssh公钥

• ssh-keygen -t rsa -C "youxiu326@163.com" 

查询公钥

• cd ~/.ssh/
• cat id_rsa.pub

将内容复制，并在登录github账号 在Settings->SSH and GPG keys->New SSH key

测试是否配置成功

• ssh git@github.com

[root@lihui .ssh]# ssh git@github.com
Warning: Permanently added the RSA host key for IP address '13.229.188.59' to the list of known hosts.
PTY allocation request failed on channel 0
Hi youxiu326! You've successfully authenticated, but GitHub does not provide shell access.
Connection to github.com closed.