Make sure to follow it up with Robin Pearson's History of Byzantium. He's still centuries away from done, but I like it even better than Mike Duncan's after it gets going.
sapo
Carl Humpfries's Piano Handbook and Piano Improvisation Handbook are great, and cover enough for even an absolute beginner. I like noodling around with no previous musical knowledge, and they work very well for that. I think both include pretty decent sections on rhythms, and discuss pretty varied styles.
I usually prefer having any side machines running something more stable than the main one, as I'm always bound to use and mantain them less often.
Good luck finding something more stable than Debian tho. Maybe something like LMDE, that just got a new version out and is looking great, or trying out an immutable distro.
The one the Gnome team is working on right now, as described here.
The basic premise of rearranging windows at an optimal size, without stretching them out to fill fractions of the screen, seems like the perfect medium between floating and tiling.
The one podcast I listen to every week as it comes out is Lateral, a trivia show hosted by Tom Scott with rotating guests.
Other than that, I have a thing for casual and conversational history podcasts, including: