Linux Journal Issue #117/January 2004 _______________________________________________________________________________________________________________________________ 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 upFRONT From the Editor On the Web Best of Technical Support New Products Advertisers Index