Here they are more details with step by step installation guides
Microsoft started with .NET and now SQL, I guess their mantra now is “if you can’t beat them, join them..."
About .NET on linux you can quickly review this base Microsoft article:
https://www.microsoft.com/net/core#linuxredhat
https://docs.microsoft.com/en-us/aspnet/core/publishing/linuxproduction
indeed about SQL on Linux:
CTP 1.4 (March 2017)
Supported platforms
| Platform | File System | Installation Guide |
|---|---|---|
| Red Hat Enterprise Linux 7.3 Workstation, Server, and Desktop | XFS or EXT4 | |
| SUSE Enterprise Linux Server v12 SP2 | EXT4 | |
| Ubuntu 16.04LTS and 16.10 | EXT4 | |
| Docker Engine 1.8+ on Windows, Mac, or Linux | N/A |
More information can be found here:
SQL Server on Linux Documentation