安装ssh服务
sudo apt-get install openssh-server
启动ssh服务
sudo /etc/init.d/ssh start
设置开机自启动
sudo systemctl enable ssh
关闭ssh开机自动启动命令
sudo systemctl disable ssh
单次开启ssh
sudo systemctl start ssh
单次关闭ssh
sudo systemctl stop ssh
设置好后重启
reboot