Select the the field next to Specify a Startup Parameter and then enter "-m" -- without the quotes. Click "Add," then "OK." Restart SQL Server to run the instance in single-user mode.

The preview mode for SQL Server 2022 is only available in its Evaluation edition, which last for 180 days that started on July 27. It now supports Red Hat Enterprise Linux (RHEL) 9 and Ubuntu 22.04.