Features

Temperature Control in a Homebrewing Tun Using a BeagleBone Black  by Klaus Kolle

How to program a BeagleBone Black to solve your beer-brewing problems.

Command-Line Tutorial: Does Every Year Have a Friday the 13th?  by Sol Lederman

Solving this puzzle is a great exercise in picking a handful of shell commands from Linux's rich palette and combining them into a short script.

Columns

Reuven M. Lerner's At the Forge   Tech Book Roundup  

Dave Taylor's Work the Shell   Working with Command Arguments  

Shawn Powers' The Open-Source Classroom   The Powers That Be  

Susan Sons' Under the Sink   Fast Network Routing, Meet Userspace  

Doc Searls' EOF   Giving Silos Their Due  

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