SQL Server 2019 is now available on Red Hat Enterprise Linux as a Red Hat Certified Container Images and Ubuntu-based container images enabling you to take advantage of the latest SQL Server engine innovations such as new SQL Graph features, and Data Discovery and Classification. We are also making it possible to adopt SQL Server in containers with existing scenarios such as Replication and Distributed Transaction which are now part of SQL Server 2019 on Linux.
This makes it easier to get started with SQL Server 2019 without potentially messing up your already-working systems.