1、在浏览器中打开ssh
2、切换root
sudo -i
3、修改密码
passwd
4、修改登录权限
sed -i 's/PermitRootLogin no/PermitRootLogin yes/g' /etc/ssh/sshd_config sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g' /etc/ssh/sshd_config
5、重启生效
reboot