You forgot to add something along the lines of:
(11) Information warriors are quite old
I mean: I'm forty now and I'm no where near posessing most of the characteristics on this list (still not on top of servers, and am struggling with a bunch of Apple hardware I unthinkingly bought a few years ago...)! Hopefully I'll be there some day soon, but I sure won't be a spring chicken when it happens!
I am in my low 30s :)
For most things, servers are easy.. a config file for your service, a daemon that runs based on the config file, and maybe some directories or additional bits. Most network services fit right into that paradigm. If you have any questions or whatnot, fire away.
Apple ... yeah, live and learn..
Forty is the new twenty. :)
Hope you're right ;)