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Security Alerts The Commons Doesn't Have a Business Plan The commons used to be a grassy area in the center of town where anyone could graze animals. Now it's a metaphor for anything available to everyone without restriction. Andy Oram argues that this is the ground from which new businesses spring--and that open source and free software are the wellspring for new software and technology. [ONLamp.com]
Security Alerts Calculating the True Price of Software Businesses have long viewed support and maintenance as essential components of software. Open source business models often focus on charging for support and customization. Is there an economic model that can demonstrate the true worth of a piece of software and the option for support, maintenance, and upgrades? Robert Lefkowitz argues that open source exposes the true value of software itself as, essentially, worth less in comparison to support and maintenance. [ONLamp.com] Big Scary Daemons The Virtual Referral: Mitigating Risk by Hiring Open Source Developers Hiring a new employee is almost always a risk, and hiring the wrong employee can prove a costly mistake for managers. Brian Fitzpatrick suggests you hire an open source programmer. Find out why doing so mitigates the risks involved in hiring. Meet Brian at O'Reilly's Open Source Convention, where he'll be leading a Subversion tutorial and a session on switching from CVS to Subversion. [ONLamp.com] Building an OpenBSD Live CD Linux isn't the only operating system that boots and runs off a CD. OpenBSD does as well. Kevin Lo uses his for didactic purposes, but this is a good example for taking your desktop or firewall along with you. Here's how to build and customize an OpenBSD installation on a CD. [ONLamp.com] OSDL's Linux Initiatives OSDL is a somewhat vague entity in the minds of many in the Linux community. Beyond employing several top kernel hackers, the company spearheads several initiatives designed to improve the GNU/Linux operating system for use in business and industry. Here's what it's doing, what it's done, and why. [LinuxDevCenter.com] How to End Wars Between Testers and Programmers There's a natural conflict between testers and programmers because of the difference in perspective each role has. The best way to end struggles is to redefine the goals of the work so that their roles can be collaborative, not adversarial. In this article, Scott Berkun draws upon his years of project-leading experience to provide some inside tips for managing your development team. [MacDevCenter.com] Apache's eXtended Server Side Includes In the early days of web publishing, SSI was an easy way to include dynamic content in pages. Though large server-side application frameworks have more popularity, SSI lives on--especially in Apache XSSI. Kostas Pentikousis demonstrates how XSSI makes it possible to build powerful, clean, maintainable, and fast web sites. [ONLamp.com] Custom-Compiling Apache and Subversion Subversion is a useful, powerful, and modern revision-control system that builds on well-understood and powerful tools including Apache. This layering has many benefits--and drawbacks, if the defaults aren't quite right for you. You can compile them yourself, though; Manni Wood demonstrates how. [ONLamp.com] Art and Computer Programming One of the great theoretical debates in computer programming is "Is programming art?" There are creative components certainly, and aesthetic aspects occasionally, but do programming's functional concerns push it more toward craft or engineering? John Littler recently cornered several well-known hackers for their opinions on the subject. [ONLamp.com] ESR: "We Don't Need the GPL Anymore" During a recent Brazilian conference on free and open source software, hacker, writer, and speaker Eric Raymond stated that open source would see more rapid success if the GPL didn't make people nervous. Federico Biancuzzi recently interviewed ESR to gain more context for the statement and to explore these views more fully. [ONLamp.com] Security Alerts Calling SOAP Servers from JS in Mozilla Interacting with web servers through forms and user actions alone seems so dry and boring. The full-fledged SOAP client built into the Mozilla family of browsers can make your applications more active and useful. Zachary Kessin shows how to write a simple SOAP server in PHP that communicates with Mozilla through JavaScript. [ONLamp.com] What Developers Want Regardless of the language and platform you choose for development, you likely share some goals with your fellow developers: to be productive, to use good tools, and to keep your tools and processes out of your way while you create good software. Murugan Pal, CTO of SpikeSource, explains ten attributes he thinks developers want. [ONLamp.com] The PBX Is Dead; Long Live VoIP The private branch exchange has been the reference standard for business telephone systems for decades, but the technology is on the verge of obsolescence, thanks in large part to open source VoIP technology. Brian McConnell delves into Asterisk, a Linux-based open source softswitch, and why it may herald the end of PBX. [ONLamp.com] Cooking with Python, Part 2 Recipes from part one of this two-part series of excerpts from Python Cookbook, 2nd Edition covered how to handle international text with Unicode and how to select elements from an unsorted sequence. In today's recipes, learn how to implement a ring buffer and how to compute prime numbers. [ONLamp.com] Building my MythTV Box, Part 1: Hardware While the Broadcast Flag battle continues, it's still legal to put together your own home-theater PC. Matthew Gast has begun constructing his system and covers hardware in this first installment of the series. [DigitalMedia.oreilly.com] Security Alerts Live Backups of MySQL Using Replication One of the difficulties with a large and active MySQL database is making clean backups without having to bring the server down. A simple method to ensure reliable backups is to set up replication for MySQL. Russell Dyer, author of MySQL in a Nutshell, walks through the process of using replication for data backups. [ONLamp.com] Object Overloading in PHP 5 PHP 5 has greatly improved object-oriented programming support. It also has new hooks to overload methods and properties. How can you do this? Why would you want to? Martin Jansen demonstrates method and property overloading with PHP 5 objects. [ONLamp.com] Cooking with Python, Part 1 In these sample recipes from Python Cookbook, Second Edition, learn how to use Unicode to handle international text strings that include non-ASCII characters, and how to select the nth smallest element of a sequence. Check back here next week for two more recipes on implementing a ring buffer and computing prime numbers. [ONLamp.com] Ajax on Rails XMLHttpRequest and Ruby on Rails are two hot topics in web development. As you ought to expect by now, they work really well together. Curt Hibbs explains the minimal Ajax you need to know and the minimal Ruby you need to write to Ajax-ify your Rails applications. [ONLamp.com] Securing Web Services with mod_security Web services build atop HTTP to allow more flexible applications. However, their flexibility and ubiquity do not always protect against vulnerabilities due to the way HTTP works. Fortunately, the mod_security module and some planning can block potential attacks at both the protocol and application level before they start. Shreeraj Shah explains. [ONLamp.com] Top Ten Data Crunching Tips and Tricks Every day, programmers perform unglamorous but necessary data crunching: recycling legacy data, checking configuration files, yanking data out of web server logs, and more. Knowing how to crunch data with the least amount of effort can make the difference between meeting a deadline and making another pot of coffee. Greg Wilson, author of Pragmatic's Data Crunching, offers ten tips for crunch time. [ONLamp.com] Security Alerts Writing Google Desktop Search Plugins Google recently released the source code of Kongulo, a plugin for the Google Desktop Search utility. Kongulo is useful on its own, but it's even better as an example of how to write your own plugins for GDS. Jeremy Jones explores the code and explains how it interacts with GDS. [O'Reilly Network] Python Standard Logging Tracking down what your application does seems easy; just add a few print statements here and there. Unfortunately, effectively tracing a program is more difficult. That's where Python's standard logging module comes in. Jeremy Jones demonstrates how to make it work for you. [ONLamp.com] The Irrlicht Engine One of the most complicated pieces of software in the world is a 3-D engine, right? Not according to Nikolaus Gebhardt. He's almost single-handedly created his own open source-capable 3-D engine, Irrlicht. Howard Wen talks with him about the design, implementation, and goals of the project. [LinuxDevCenter.com] Rexx: Power Through Simplicity The P-languages get most of the press these days, but they're not the only dynamic languages in the world. Arguably, Rexx is the grandfather of them all. It's received little attention in the open source world, despite several good open source implementations. Howard Fosdick shows off some of the features of the language with practical examples. [ONLamp.com] Rendering Everything as Text Ah, the days of plain-text everything are long gone, what with media files (hooray!) and encumbered binary blobs (boo!). Is the solution to give up your comfortable, efficient, and effective text-based tools? No way. Philip Hollenback proposes that you can render any data format to meaningful text for mail reading, indexing, and more. Here's how. [LinuxDevCenter.com] Hacking the Linux Desktop, Part 2 In Part 1 of this two-part excerpt from Linux Desktop Hacks, we offered hacks on controlling desktop access. In this second installment, learn how to view Microsoft Word documents in a terminal and how to create an internet phone. [LinuxDevCenter.com] Security Alerts A Simpler Ajax Path After years of hacks, tricks, and workarounds, there's finally a cross-browser, cross-platform way to communicate between client and server in web applications. Matthew Eernisse demonstrates how to send and receive structured data with XMLHttpRequest and shows off some tricks to make debugging and error handling easier. [ONLamp.com] OpenBSD 3.7: The Wizard of OS
Has it been six months already? OpenBSD 3.7 is ready to go as you read this. Federico Biancuzzi discusses the release with several core developers, touching on subjects such as Wi-Fi support, improved package tools, and the shipped versions of popular projects including Apache Hacking the Linux Desktop Modifying stuff to suit individual desire is the credo of hackers everywhere. These two excerpts from Linux Desktop Hacks let you modify Linux to suit your desires: The first hack uses Virtual Network Computer (VNC) to access Windows and Mac OS X from your Linux desktop. The second shows how to lock down KDE with Kiosk mode, allowing you to control exactly what users can and can't change. [LinuxDevCenter.com] MusE: MIDI Sequencing for Linux Think Linux lacks for good multimedia creation and editing applications? Think again. Another application making ears perk up is MusE, a MIDI and audio sequencer intended to be a complete multitrack virtual studio. Howard Wen looks at the current and future development of the project. [O'Reilly Network] FreeBSD Basics Security Alerts Simplify Network Programming with libCURL The curl command-line utility is a fantastic way to download data from all kinds of repositories via HTTP, FTP, LDAP, and more. It's not just a utility, though. The back-end library libCURL allows you to make your programs URL aware, publishing and retrieving data over HTTP and FTP. Ethan McCallum demonstrates how easy it is to use. [LinuxDevCenter.com] Tales of Rescuing Old Hardware If you're careful, you can often pick up viable hardware from companies throwing out machines too old to run the latest and greatest Windows software. This is viable for free Unixes, if you can get past the installation. Mikhail Zakharov walks through a tale of exploration, discovery, and patch-writing to install NetBSD over NFS through the serial port of a Pentium I-era Toshiba notebook. [ONLamp.com] The Month in BSD: April 2005 OpenBSD prepares for 3.7; FreeBSD gives a status report; NetBSD picks up streaming backups; DragonFly releases 1.2; and Apple releases Tiger. It all happened in April 2005, as Sam Smith reports. [ONLamp.com] Rich Web Text Editing with Kupu One of the reasons web applications haven't completely replaced desktop apps is that web browsers offer such poor text-editing capabilities. Now a new JavaScript library named Kupu may challenge that. Robert Jones explains how it works and how to add it to your own web apps. [ONLamp.com] Making Packager-Friendly Software, Part 2 Packaging free and open source software for end users is both necessary and thankless. Without packagers, software could spread neither as far nor as fast as it does. Julio M. Merino Vidal explains how to make configuring, building, installing, and porting your code much easier--to allow it to spread to more users and more software ecosystems. [ONLamp.com]
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Visit the Novell Learning Channel and learn more about how to migrate to Linux and incorporate open source into your working environment. Check out their: • Free White Paper and Product Downloads
Perl 6: Pining for the Fjords? [Schuyler Erle] Open Source Backups Ignoring Open Standards [Derek J. Balling] What I Would Have Asked Jonathan Schwartz [chromatic]  LinuxWorld San Francisco San Francisco, CA Aug. 8, 2005 LinuxWorld Beijing 2005 Beijing Aug. 17, 2005 Adopting and Using Open Source Software Redwood City, CA Sep. 7, 2005 |
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