If you’re still on an earlier version of PSCore and are unable to install PSCore 6.2 right now, you can still download preview of the SqlServer module to get the latest fixes and new features. You just won’t be able to use the Invoke-Sqlcmd cmdlet.
Another quick thing to note is that this is like a v.0.0.1 of Invoke-SqlCmd on PSCore; it does not have all the bells & whistles of the version of Invoke-Sqlcmd for [full blown] Windows PowerShell. Obviously, more features will be added over time, but the basic functionality was ready to for customers to start “kicking the tires”.
Read on for more notes and the link to check this all out.