If you ask before couple of years about Microsoft and Linux can be compatible was a dream. now Microsoft has made SQL Server to work on Linux we have accepted that. It has some Middle OS to interact with Linux to work SQL Server 2017.
Microsoft has made another great achievement to make possible of having high availability between Linux and Windows for SQL Server. here one of our server would be Linux and if it goes down our another Windows server will be take the traffic for SQL Server this has been achived by Always On.. Amazing.
Heads up to Tobias and Slava to make this another thing possible for SQL Server.
WOW!!! Interesting… it is like you ask and we delivered….
https://docs.microsoft.com/en-us/sql/linux/sql-server-linux-availability-group-configure-ha
Vinay Thakur 