Hack and / - Linux Troubleshooting, Part III: Remote Networks

The Internet is down. Or, is it? Read more to find out how to know for sure.
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Kyle Rankin is SVP of Security and Infrastructure at Zero, the author of many books including Linux Hardening in Hostile Networks, DevOps Troubleshooting and The Official Ubuntu Server Book, and a columnist for Linux Journal. Follow him @kylerankin