Linux Journal Issue #269/September 2016

Features

Understanding Firewalld in Multi-Zone Configurations  by Nathan R. Vance and William F. Polik
Discover the power and flexibility of zones in firewalld.
Hard Drive Rescue with a Raspberry Pi and Relay  by Andrew Nii Addo
Learn how you can trigger a chain process to recover a failing hard disk.

Columns

Dave Taylor's Work the Shell   Let's Go to Mars with Martian Lander  
Kyle Rankin's Hack and /   Papa's Got a Brand New NAS  
Shawn Powers' The Open-Source Classroom   My Childhood in a Cigar Box  
Under the Sink—Guest Columnist Andrew Kirch   SNMP  
Doc Searls' EOF   Identity: Our Last Stand  

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