SSH / SSHD will not change port

The Problem Running up a new Ubunutu 24.04 LTS server I changed the SSH port in /etc/ssh/sshd_conf  in the normal way: Port 1234 I restarted ssh sudo systemctl restart ssh but the port had not changed. A recheck, restart, reboot and much frustration later I discovered that Ubuntu 22.10 onward now uses ‘socket-based’ activation not […]