1、installing openssh-server
$sudo apt-get install openssh-server
2、check openssh-server status
$ ps -e | grep ssh
3、start/stop/restart openssh-server
/etc/init.d/ssh start
/etc/init.d/ssh stop
/etc/init.d/ssh restart
4、auto start when power on
open /etc/rc.local
before exit 0
/etc/init.d/ssh start
5.config file
sudo vi /etc/ssh/ssh_config