HOWTOs

Advanced Hard Drive Caching Techniques

With the introduction of the solid-state Flash drive, performance came to the forefront for data storage technologies. Prior to that, software developers and server administrators needed to devise methods for which they could increase I/O throughput to storage, most of which resulted in low capacity caching to random access memory (RAM) or a RAM drive. more>>

Manage Your Configs with vcsh

If you're anything like me (and don't you want to be?), you probably have more than one Linux or UNIX machine that you use on a regular basis. Perhaps you've got a laptop and a desktop. Or, maybe you've got a few servers on which you have shell accounts. more>>

Time-Saving Tricks on the Command Line

I remember the first time a friend of mine introduced me to Linux and showed me how I didn't need to type commands and path names fully—I could just start typing and use the Tab key to complete the rest. That was so cool. I think everybody loves Tab completion because it's something you use pretty much every minute you spend in the shell. more>>

Intro to Clojure on the Web

Lisp is one of those languages that people either love or hate. Count me among the Lisp lovers. I was brainwashed during my undergraduate studies at MIT to believe that Lisp is the only "real" programming language out there, and that anything else is a pale imitation. more>>

Cribbage: Calculating Hand Value

The last few months, we've been building a complex shell script to play elements of the game of Cribbage, demonstrating a variety of concepts and techniques as we proceed. That's all good, and last month, the script expanded to include a "shuffle" capability and the ability to deal out six cards, a typical two-player starting hand. more>>

Linux Advanced Routing Tutorial

For years, we used to have a plain-old ADSL in the office—fast download speeds, slow upload, high latency—all that at the cost of $1/GB. We have had so many problems with performance and reliability that after a few years of struggling, we decided to get a second upstream link—SHDSL 5M/5M symmetric link—low latency, consistent speed during the day. more>>

Xastir—Open-Source Client for the Automatic Packet Reporting System

What do search and rescue, Amateur Radio and Linux have in common? more>>

Hack and / - Dr hjkl Meets the Vimperator

If you want to be a futuristic Web-browsing machine, terminate that mouse, pick up the keyboard, and find out how Vimperator can transform Firefox into a modal half-vim, half-browser cyborg. more>>
Twitter

Work the Shell - Listening to Your Twitter Stream

Answer simple Twitter queries automatically. more>>
Xen logo

Simple Virtual Appliances with Linux and Xen

Use Xen and Linux to make your own ready-to-use software virtual appliances. Create a DNS server, a Web server, a MySQL server—whatever you need, ready to go when you need it. more>>

Hack and / - Message for You Sir

Why check for new e-mail every minute when a script can do it for you? Learn how to trigger desktop notifications in your own scripts. more>>

Multisession Workstations

Press F1 for bash, F2 for Windows, F3 for Ubuntu, F4 for Mac OS and F5 for Citrix. Linux makes it all possible, and you don't even need a hard drive! more>>

Use Linux as a SAN Provider

At one-tenth the cost of the typical commercial appliance, Linux can deliver storage with speed and redundancy. Make the move toward a full-featured iSCSI SAN solution with what you already have in your server room. more>>
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