Amit Khandelwal has notes on SQL Server 2022 on Linux:
In continuation of last week’s announcement of SQL Server 2022 public preview, we are pleased to announce availability of SQL Server 2022 on Linux/Containers for public preview. Here are the details for getting started with the SQL Server 2022 public preview packages on Linux/Containers.
As usual, the officially supported distributions are Red Hat Enterprise Linux and Ubuntu.