I just finished the first chapter and this hit me in the nostalgia so hard. I started using Linux in one form or another back in 2006 (Ubuntu and Red Hat back then). Seeing the old UI, synaptic, and a user that insists GUIs aren't needed are so spot on for the time. One of Ubuntu's big differentiators back then was the ease with which you could install codecs, so it was nice to see it called out.
My university had 2 labs: a fancy modern one with only windows, and a linux-only lab in the basement of an ancient building that would literally flood with a foot of water during heavy rain and always smelled like mildew. That basement and its lowly inhabitants were my fondest memories of school.