https://blog.csdn.net/u010324465/article/details/77184506
1、在docker中安装openssh-server
2、sudo /etc/init.d/ssh start 启动服务
3、查看启动成功与否 ps -e|grep ssh
4、$sudo vim /etc/ssh/sshd_config
PermitRootLogin without-password 改为 PermitRootLogin yes`
PasswordAuthentication yes 改为 PasswordAuthentication no
5、重启ssh sudo service ssh restart
6、passwd root 设置密码
7、ifconfig 查看容器实例ip
8、ssh ip