What basic computer knowledge does this require? Where could I go to learn more about using the Linux Command Line? Would this be easier with practicing that? I have 0 technical computer knowledge in this area. I can use basic programs and use a computer like many people born in the last 25-30 maybe 40 years(not to generalize or count out people older who have much more experience) but would be ranked in the lower end of understanding how to write command-line info, code, HTML, manage IT security.

I bought a bunch of courses last year in late 2017 from ScienceAlertAcademy, yours was one of them. I completed the course but never got much further and am looking to continue where I left off, so essentially I am looking for direction in something to study before getting into setting up a witness account and server. Aside from the posts and guides about how to set up a witness server, maybe something that could be considered a warm up to this...