Linux Journal Issue #220/August 2012

Features

A Guide to Using LZO Compression in Hadoop  by Arun Viswanathan
How to start implementing MapReduce programs that handle LZO compressed data.
Introducing Vagrant  by Jay Palat
Manage multiple development environments easily using Vagrant.
Writing Samba VSF Modules  by Richard Sharpe
Extend Samba's functionality with VSF Modules

Indepth

Tarsnap: On-line Backups for the Truly Paranoid  by Andrew Fabbro
Tarsnap's Linux-friendly encrypted backup service makes keeping your data in the cloud a snap.

Columns

Reuven M. Lerner's At the Forge   Database Integrity and Web Applications  
Dave Taylor's Work the Shell   Scripting Lite: Shell Aliases and Functions  
Kyle Rankin's Hack and /   N900 with a Slice of Raspberry Pi  
Shawn Powers' The Open-Source Classroom   Mirror, Mirror, Down the Hall  
Doc Searls' EOF   Debugging Free Markets That Still Aren't  
Your Choice of Captor an Excerpt from Doc Searls' The Intention Economy    

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