Features

Cellular Man-in-the-Middle Detection with SITCH  by Ash Wilson

Build your own coordinated GSM anomaly detection system, using inexpensive, easy-to-source parts and open-source software.

Managing Docker Instances with Puppet  by Todd A. Jacobs

Leverage Puppet roles and profiles, and discover how to target specific Docker configurations on hundreds or even thousands of systems using simple hostname patterns.

Columns

Dave Taylor's Work the Shell   Scissors, Paper or Rock?  

Kyle Rankin's Hack and /   Sysadmin 101: Alerting  

Shawn Powers' The Open-Source Classroom   All Your Accounts Are Belong to Us  

Susan Sons' Under the Sink   Postmortem  

Doc Searls' EOF   From vs. to + for Microsoft and Linux  

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