先安装一个openssh-server:
sudo apt install openssh-server

启动服务:
sudo systemctl restart sshd

查看服务:
sudo systemctl status sshd,查看完以后按q退出

下次开机自动开启:
sudo systemctl enable sshd

连接本机sshd服务:
ssh ubuntu@localhost

sudo apt install openssh-server

sudo systemctl restart sshd

sudo systemctl status sshd,查看完以后按q退出

sudo systemctl enable sshd

ssh ubuntu@localhost
