安装

apt-get install openssh-server

设置开机启动

# 开机自动启动ssh命令
$ 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
# 设置好后重启系统
$ reboot
# 查看ssh是否启动,看到Active: active (running)即表示成功
$ sudo systemctl status ssh