[SOLVED] Terminal says no working internet connection. I have one.

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http://crunchbanglinux.org – So, I'm trying to run the script cb-welcome to set everything up. I'm sitting at the library, using their wireless, typing this post. But the terminal is returning that I don't have a working internet connection so it can't do it's thing. So either I'm using magic, or something's messed up.I tried plugging in to a jack with a cable, but I can't get the computer to recognize the wired connection. If I click on the connections icon in the bottom right of the screen, the wired connection is darkened and says disconnected. When I go to VPN connections and to (HowTos)