Features

• Internet Radio to Podcast with Shell Tools  by Phil Salkie
  This Internet radio show is great—is it available as a podcast? Now the answer is always, yes.
  
• Auditing Wi-Fi Protected Access (WPA) Pre-Shared Key Mode  by John L. MacMichael
  Don't worry about the insecurities of WEP—we have WPA. What? WPA can be cracked too? D'oh!
  
• Compression Tools Compared  by Kingsley G. Morse Jr.
  Choosing a compression utility is a delicate trade-off between CPU time and compression achieved. Get a perfect match for your available processing time and bandwidth.
  
• 802.1x on Linux with xsupplicant  by Matthew Gast
  If you have WPA set up correctly, it's secure. Mick Bauer already did the server, now here's the client side.
  

Indepth

• Memory Ordering in Modern Microprocessors, Part II  by Paul E. McKenney
  When all the processors are trying to read and write the same main memory, you can do things the right way, the wrong way or the right way but so-slow-nobody-cares way.
  
• Linux Groupware Roundup  by Francis Lachapelle and Ludovic Marcotte
  Take a tour of the apps that can keep your whole company or project organized.
  
• Native XML Database Storage and Retrieval  by George Feinberg
  If your application handles XML, shouldn't your database? Here's how one system handles it.
  
• A System Monitoring Dashboard  by John Ouellette
  Sometimes a big system monitoring solution is overkill. This simple script sees services the way users do and keeps you up to date on what's up and what's down.
  

Embedded

• First Beowulf Cluster in Space  by Ian McLoughlin, Timo Bretschneider and Bharath Ramesh
  Want to be absolutely sure of getting your article in LJ? Just put the first Beowulf cluster in space.
  

Toolbox

• At the Forge   Getting Started with Ruby  by Reuven M. Lerner
  
• Kernel Korner   Sleeping in the Kernel  by Kedar Sovani
  
• Cooking with Linux   Wherefore Art Thou, Oh Access Point?  by Marcel Gagné
  
• Paranoid Penguin   Managing SSH for Scripts and cron Jobs  by John Ouellette
  

Columns

• Linux for Suits   Independent Identity  by Doc Searls
  
• EOF   The Free Software Foundation at 20  by Peter Brown
  

Review

• Archos PMA400  by Dovid Kopel
  

Departments

• From the Editor  
  
• Letters  
  
• upFRONT  
  
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