Hi All,
Just tried this on a Ubuntu VM. Got it up and running with no problems.
Our main C# app ran without changes. The database restore option failed (path/rights problem I think) but an import from our old version (DBFs) worked fine (this is quite a hefty process).
Not sure what the licensing etc will be. It will be interesting if they release an SQL Express version.
SQL Server vNext CTP1 on Ubuntu 16.04.: https://docs.microsoft.com/en-gb/sql/linux/sql-server-linux-setup-ubuntu