Features

• Controlling Hardware with ioctls  by Lisa Corsetti
  Control all the little stuff that isn't in the UNIX programming books.
  
• Understanding Caching  by James Bottomley
  Use the cache right, and your code runs fast.
  
• Scaling dcache with RCU  by Paul E. McKenney, Dipankar Sarma and Maneesh Soni
  As the number of processors grow, Linux either can hit a performance wall or explore new algorithms.
  
• Signed Kernel Modules  by Greg Kroah-Hartman
  Crypto techniques give device drivers a new security check.
  

Indepth

• Testing Applications with Xnee  by Henrik Sandklef
  Give your GUI apps a scriptable test suite with simulated X clicks and input.
  
• Linux, Talon and Astronomy  by Tony Steidler-Dennison
  The software that controls research-grade telescopes can control your telescope too.
  
• Controlling Devices with Relays  by Jason Ellison
  Your software can break free of the box and control lights, bells and motors in the real world.
  
• Intermediate Emacs Hacking  by Charles Curley
  You don't have to be a LISP hacker to customize Emacs.
  
• Monitoring Hard Disks with SMART  by Bruce Allen
  Keep an eye on your drives' health with an easy-to-configure tool.
  
• Linux in Air Traffic Control  by Tom Brusehaver
  Using Linux as a testing platform for mission-critical software.
  

Embedded

• Personal Video Recorder Basics  by Christian A. Herzog
  Create a custom PVR that works your way and even burns archive copies.
  

Toolbox

• At the Forge   Publishing with Bricolage  by Reuven M. Lerner
  
• Cooking with Linux   Scalability: from Simplicity Comes Complexity  by Marcel Gagné
  
• Paranoid Penguin   Secure Mail with LDAP and IMAP, Part II  by Mick Bauer
  

Columns

• Linux for Suits   Laptopia  by Doc Searls
  
• EOF   Turning IT Certification on Its Ear  by Evan Leibovitch
  

Reviews

• IBM eServer BladeCenter  by Dana Canfield
  
• Red Hat Linux 9 Bible  by Frank Conley
  
• Hacking the Xbox  by Paul Barry
  

Departments

• Letters  
  
• From the Editor  
  
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• Best of Technical Support  
  
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