> I know how to download and install a .deb.
That's likely all you'll need.
> I need instructions on simple
> things e.g Do I need to create a new user for LMS?
No, the .deb takes care of this.
> Do I need to change
> the owner of the default home directory (currently me personally) to LMS
> if my music is stored there?
Don't change the owner! It's your folder, and it should remain yours.
But you might need to add the LMS user to the group to give it access.
> Which stable build works best with 18.04?
I'd recommend you give the 8.2.1 nightly build a try. It's the stable
version with some small fixes.
That's likely all you'll need.
> I need instructions on simple
> things e.g Do I need to create a new user for LMS?
No, the .deb takes care of this.
> Do I need to change
> the owner of the default home directory (currently me personally) to LMS
> if my music is stored there?
Don't change the owner! It's your folder, and it should remain yours.
But you might need to add the LMS user to the group to give it access.
> Which stable build works best with 18.04?
I'd recommend you give the 8.2.1 nightly build a try. It's the stable
version with some small fixes.