monetize dedicated server

hi... i'm just an another newbie... I wanted to learn things... please suggest anything for this... and what's the first lesson (topic) I might read first???:)

Hello fellow Blackhatters, I just received my latest phone bill and it turns out I've been charged an extra $1k for overused internet at 2c a kilobyte. Ridiculous right? I have a dedicated server which I was using to create an auto approve list for myself but I guess I could put it to...