Features

• Lowering Latency in Linux: Introducing a Preemptible Kernel  by Robert Love
  Love explains just how this kernel patch does its magic.
  
• How the PCI Hot Plug Driver Filesystem Works  by Greg Kroah-Hartman
  Oh, the simplistic sweetness of a RAM-based filesystem.
  
• Netfilter 2: in the POM of Your Hands  by David A. Bandel
  Now that you've got the basics, it's time for advanced iptables building.
  
• Taking Advantage of Linux Capabilities  by Michael Bacarella
  Bacarella gives the skinny on the security benefits of POSIX capabilities in the Linux kernel.
  
• Debugging Kernel Modules with User-Mode Linux  by David Frascone
  Keep your kernel (and hardware) safe by running it in user space with UML.
  

Indepth

• Crystal Space: an Open-Source 3-D Graphics Engine  by Howard Wen
  Finally the advantages of open source come to 3-D graphics engines.
  
• The Beowulf State of Mind  by Glen Otero
  An introduction to Beowulf clusters and a HOWTO on setting up a Rocks cluster.
  

Interview

• LJ Talks with Linux Kernel Developer Ted Ts'o  by Don Marti and Richard Vernon
  Ted talks about current kernel development, his passion for amateur radio and more.
  

Toolbox

• At the Forge   Databases and Zope  by Reuven M. Lerner
  
• Cooking with Linux   Getting to Know You...My Kernel  by Marcel Gagné
  
• Paranoid Penguin   Understanding IDS for Linux  by Pedro Bueno
  
• GFX Tippet Studio and Nothing Real's Shake  by Robin Rowe
  

Columns

• Focus on Software   Pessissism or Realism?  by David A. Bandel
  
• Focus on Embedded Systems   Embedded Linux Targets Telecom Infrastructure  by Rick Lehrbaum
  
• Linux for Suits   It's Elemental—Natural Advantages  by Doc Searls
  
• Geek Law : The Role of Standards  by Lawrence Rosen
  

Departments

• Letters  
  
• upFRONT  
  
• From the Editor   From the Editor  by Richard Vernon
  
• Best of Technical Support  
  
• New Products