sudo apt-get install openssh-server
2、開機自動啟動ssh命令
sudo systemctl enable ssh
3、關閉ssh開機自動啟動命令
sudo systemctl disable ssh
4、單次開啟ssh
sudo systemctl start ssh
5、單次關閉ssh
sudo systemctl stop ssh
6、設置好後重啟系統
reboot
7、查看ssh是否啟動，看到Active: active (running)即表示成功
sudo systemctl status ssh