CLI Magic: Tcpdump

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Author: Joe Barr

Don’t worry, I’m not going to try to turn you into to a network security analyst or administrator. But if you’re interested in what’s happening under the hood on your Internet connection, I’ll be happy to introduce you to an old and respected tool used at the CLI. Come on, pull that many-pixeled GUI quilt off of you and meet me at the CLI for a look at tcpdump.