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Fix su/sudo!
Get it such that people can create and administer databases, even if it is on a by sign up basis. see acmdb
Have a website with an embedded irc client, which takes in a name and a teacher/class, and then logs them on to the tutoring channel (possibly just the tutoring channel if possible) with a customized name.
Virtual machines?
I'm sure there's more, but I can't think of the rest right now.