Ubuntu Linux: Start / Stop / Restart / Reload OpenSSH Server

Type the following command:

$ sudo /etc/init.d/ssh start

OR

$ sudo service ssh start

OR for systemd based Ubuntu Linux 16.04 LTS or above server:

$ sudo systemctl start ssh

Ubuntu Linux: Stop OpenSSH server

Type the following command:

$ sudo /etc/init.d/ssh stop

OR

$ sudo service ssh stop

OR for systemd based Ubuntu Linux 16.04 LTS or above server:

$ sudo systemctl stop ssh

Ubuntu Linux: Restart OpenSSH server

Type the following command:

$ sudo /etc/init.d/ssh restart

OR

$ sudo service ssh restart

OR for systemd based Ubuntu Linux 16.04 LTS or above server:

$ sudo systemctl restart ssh

systemctl start stop restart openssh server on Ubuntu

systemctl command in action on Ubuntu Linux desktop

Ubuntu Linux: See status of OpenSSH server

Type the following command:

$ sudo /etc/init.d/ssh status

OR

$ sudo service ssh status

OR for systemd based Ubuntu Linux 16.04 LTS or above server:

$ sudo systemctl status ssh