1.安装及使用 https://blog.youkuaiyun.com/qq_30272167/article/details/139660545?fromshare=blogdetail&sharetype=blogdetail&sharerId=139660545&sharerefer=PC&sharesource=qq_30272167&sharefrom=from_link 3.重启ssh使配置生效 sudo service ssh restart # 或 systemctl restart sshd