After you have changed your configuration on your remote Unix/linux server you must restart your ssh service. The easiest way to do this is to simply restart your Unix machine. This is not always possible however.
To restart sshd without restarting your whole system, enter the following command as root
RedHat and Fedora Core Linux
$ systemctl status ssh Show SSH Service Status. We can see that green active (running) text that shows SSH service is running. Restart SSH Service. In some situations we need to restart the SSH service. Configuration change in SSH service requires SSH restart in order to take affect. We can restart SSH service like below. As a last resort, you can restart your server through OnePortal by clicking on your server's name and clicking the 'Power' button. How to start, restart and stop SSH service SSH service by OpenSSH is normally provided by the sshd daemon. In most Unix -based operating systems the daemon process can be managed by systemd, System V. Init scripts or the service command. You can use all three methods to manage your SSH server on most platforms.
/sbin/service sshd restart
Suse linux
/etc/rc.d/sshd restart
Debian/Ubuntu
/etc/init.d/sshd restart
Solaris 9 and below
Mac pro for games. /etc/init.d/sshd stop
/etc/init.d/sshd start
Solaris 10
svcadm disable ssh
svcadm enable ssh
AIX
How To Restart Ssh
stopsrc -s sshd
startsrc -s sshd Microsoft office for mac download 2016.
HP-UX
Ubuntu Restart Ssh Server
/sbin/init.d/secsh stop
/sbin/init.d/secsh start