- 设置root用户密码
sudo passwd root
- 启动root账户
sudo passwd --unlock root
- 设置ssh允许登录
sudo sed -i "s/^#PermitRootLogin.*/PermitRootLogin yes/g" /etc/ssh/sshd_config
- 重启ssh服务
sudo systemctl restart ssh
sudo passwd root
sudo passwd --unlock root
sudo sed -i "s/^#PermitRootLogin.*/PermitRootLogin yes/g" /etc/ssh/sshd_config
sudo systemctl restart ssh