(Article originally published in Full Circle Magazine issue 61) This all started when I needed to run a sandboxed instance of WordPress. The simple part was creating a virtual Ubuntu 11.10 server as a guest inside my VirtualBox host.

Then I discovered I knew much less about networking than I thought, a topic full of packets and switches and routing. I know even less about networking in VirtualBox, where all that stuff is virtualised in software.

Several attempts and a networking crash-course later, mission accomplished, and, to save you my pain, here's what I found.
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