Microsoft released, last year, SQL binaries for Linux too.
Linux - How to install MS SQL and .NET on several Linux distributions
http://www.alessandromazzanti.com/2017/03/linux-how-to-install-sql-server-on.html
Due to this fact I would like to mention this MVA Microsoft video tutorial that go deeper on this topic:
https://mva.microsoft.com/en-US/training-courses/installing-configuring-and-managing-microsoft-sql-server-on-linux-18305?l=Z4MuSOc2E_2113214697
