Questions before installing Qubes OS

[fsflover]

You can have btrfs on Qubes:

Question about btrfs setup

Yes. THe automatically created btrfs layout is fine and will work. And in fact, the official Qubes OS openQA unittests create just one btrfs subvolume for the tests. See line 41 to 47:

You can install KDE but probably not other DEs:

Install Cinnamon on dom0?

Cinnamon is not supported in Qubes as of now. Sadly, Qubes requires changes to the desktop environment for security contexts (window border colors), amongst probably other things. IIRC, these modifications are done on a per-environment basis and Cinnamon just isn’t one that’s been done. If you have the requisite programming knowledge, you’d be able to do this yourself by reading the code that Qubes made and adapting this to Cinnamon, but I have no clue how hard or involved this would be. On i…