開機啟動
systemctl enable sshd.service
立即啟動
systemctl start sshd.service
立即重啟
systemctl restart sshd.service
將PermitRootLogin Prohibit-password修改為PermitRootLogin yes
sudo vim /etc/ssh/sshd_config
重啟一下ssh服務即可。
systemctl restart sshd.service
