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Johnathan Zdziarski's book Open iPhone Application Development is a guide writing applications for the iPhone without engaging the restrictions of Apple's official software development kit (SDK). The book takes readers on a concise tour of iPhone jailbreaking, setting up the free compiler tool chain, writing basic Objective-C apps, and the available libraries and APIs. Apple might not like this book, but if you need to develop for the iPhone or just want to learn more about how it works, you'll be hard-pressed to find a better practical resource.

Right now, as you read this, there are at least 100,000 people in Sony’s fantasy worlds. They’re pretending to be elves, or trolls, or ninjas, or pirates, or cheese makers, or any of a thousand other fantastic things; and they’re all paying a monthly fee for the privilege. So when massively multiplayer fantasy role-playing games go online, they need proper change management, good network architects and customized remotely deployable Linux installs to do it.

There’s a system that's on my self, and I've come to realize that I no longer remember the password for this machine. Rather than reinstall the system, I used a much easier method utilizing chroot.

Over the past two years, I've reviewed free software first-person shooters including Tremulous, Alien Arena, and Nexuiz -- all top-notch games. Now we can add Urban Terror to that list. While the first three sport other-worldly, sci-fi-style opponents, Urban Terror goes for realistic opponents -- as realistic as today's headlines. You're fighting terrorists in Algiers and other locations around the globe, and you're using realistic weaponry to do it.

The world's third-largest PC vendor has announced a "netbook" based on a 1.6GHz Intel Atom Centrino processor and Linpus Linux. Acer's $380 Aspire One offers 512MB or 1GB of RAM, 8GB flash, an 8.9-inch, 1024x600 display, WiFi, webcam, and an optional 80GB hard drive.

Pat Volkerding and the Slackware team released the latest version of Slackware Linux, 12.1, on May 2. Even though it is a "point one" release, the list of new features reads like what other distributions would consider a major new version. Slackware 12.1 features the latest KDE 3.5.9, Xfce 4.4.2, and a number of improvements, especially to udev. The full list of updated features is in the official product announcement. From a user's perspective, version 12.1 is a true refinement of the previous version.

If you've been an Open Source advocate for any significant amount of time, you've no doubt heard someone say, with a sneer in their voice, "You get what you pay for". Let it be noted, I really hate that cliche. It does make me think, however, about what you really get when you purchase the license to use a commercial operating system like Windows or OSX.

When I make videos, I almost always use Ogg to encode the audio. Storing the audio in Ogg saves space on my machine without sacrificing quality. However, I invariably need to loop, concatenate, or change the audio in some way, which can be difficult. For many of these tasks I turn to the OGMtools suite to make the process easier.

Many people have gotten the impression that they have to "be somebody" in order to participate or represent their distro during LINdependence 2008. Not only is that untrue, it would probably be counter-productive. Herein we talk about one everyday distro user who saw the value of participating in this project and jumped in with both feet. It will be surprising to many what this small effort is going to yield for his/her distro of choice.

This guide explains how to set up WebDAV with Apache2 on a Debian Etch server. WebDAV stands for Web-based Distributed Authoring and Versioning and is a set of extensions to the HTTP protocol that allow users to directly edit files on the Apache server so that they do not need to be downloaded/uploaded via http://FTP. Of course, WebDAV can also be used to upload and download files.

Over the last few years there has been a lot of fanfare around open source companies and their liquidation events. Most of the news has been around Sun's billion dollar acquisition of MySQL or the Citrix acquisition of Xen and even Yahoo's acquisition of Zimbra. In contrast there was little attention paid to the SourceFire. Actually if you ask most open source users about SourceFire they would probably answer "SourceWho?" If you ask open source users if they have heard of ClamAV or Snort they probably would be able to tell you that they are the leading open source software for virus protection and intrusion detection respectively. Recently, SourceFire has been in the news a bit lately as Barracuda Networks has made a bid for their open source competitor.

Jeff Yan and Ahmad Salah El Ahmad, at the School of Computing Science, Newcastle University, England recently published a research paper entitled “A Low-cost Attack on a Microsoft CAPTCHA“, demonstrating how they’ve managed to attack the Microsoft’s CAPTCHA used on several of their online services such as Hotmail and Windows Live, with over 92% recognition rate. Here’s a summary of the research :

Updated version of the bash shell /dev/tcp and udp pseudo filesystem and its potential use.

As we covered earlier today, Facebook has released a big chunk of its platform code as open source - using the CPAL (Common Public Attribution License) for their main license. If you haven't been closely following the proliferation of open source licenses, this is probably a new one to you. As with any open source code, it's smart to understand your rights before you start depending on the new platform - especially since some of the provisions of the CPAL may surprise you.

n spite of fragmentary information about changes, that I’ve published since my last insight (like the Amarok 2 visual changelog), I’ve decided after all to gather them all in one place. Hence, I invite you to the next insight of KDE 4. The revision of the day is 811150.

Right from the time the 7-inch model made its debut, there have been any number of positive reviews. With the emergence of the 9-inch model, the praise has grown even louder with the Linux fanatics among the crowd of yea-sayers seeing the device as the one that finally gives the operating system a chance to gain its comeuppance against Microsoft. In truth, the eeePC has many things going for it. The size and weight are major plus factors - it would win over a businessman on those counts alone.

If you work with the command line you've most likely used hexdump or od to dump binary files, but what do you do if you have a hex dump of something and you want to create the binary version of the data? Assuming your needs aren't too complex, the answer may be xxd. You can use xxd to dump binary files just like hexdump and od, but you can also use it to do the reverse: turn a hex dump back into binary.

Learn to make use of the Kerberos authentication tickets in the day-to-day network services on IBM AIX V6 and discover how Kerberos can be useful in getting rid of the password hassles for network service logons. This is another method towards achieving single sign on (SSO) on an AIX system network.

ProcessMaker is an open source workflow manager that works either on the client side or as a hosted application. Founder Brian Reale began developing ProcessMaker in 2002 after working with the South American Telecommunications Regulatory Institution to create a "paperless office." Once that system was deployed, Reale thought he could create an affordable standalone product that would make it easy for users to eliminate paperwork and create a more efficient workplace. Reale built the new product using open source software, and has licensed it under the GPLv3.

Venezuela became the latest in a string of countries to appeal the approval of Microsoft's Office Open XML file format as an international standard. The format was approved in an international vote after a fast-track process that several participating countries say was flawed.