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Big Scary Daemons Cooking with Apache, Part 2 At the end of 2003, we published our first batch of recipes from O'Reilly's Apache Cookbook. This week, we've excerpted three more samples. Find out how to make part of your web site available via SSL, how to place a CGI program in a directory that contains non-CGI documents, and how to redirect a 404 ("not found") page to another page (such as the front page of the site) in these latest samplings. [ONLamp.com] The New Breed of Version Control Systems CVS, part of the glue that holds open source development together, is showing its age. Many competitors have emerged recently, fixing misfeatures and adding new ideas. Shlomi Fish explores several current open source version control systems that may be better than CVS for your needs. [ONLamp.com]
PHP Foundations Why Run Free Software on a PDA? As PDAs gain power and capabilities, embedded Linux is more and more attractive. Sharp's Zaurus is a popular Linux PDA. Why aren't more palmtop computers running free software? Guylhem Aznar explores and evangelizes Linux on small devices. [LinuxDevCenter.com]
Security Alerts Troubleshooting with Postfix Logs Kyle Dent, author of Postfix: The Definitive Guide, discusses Postfix logging in general, how to find all relevant information in the logs, and how to increase the amount of logging when more information is needed. He also suggests a few configuration guidelines that might help prevent problems from the start. [ONLamp.com] VoIP and POTS Integration with Asterisk Learn how to configure an Asterisk system so that it can receive calls from other SIP clients and interoperate with both analog and VoIP telephony services. [ONLamp.com] Web App Security Testing with a Custom Proxy Server Assuming users will only access your web applications as you intend may be the best way to invite abuse. Attackers have tools to build bogus responses, so why not use the same techniques to toughen your own sites? Nitesh Dhanjani demonstrates how a custom proxy server can help you test the security of your web apps. [PHP DevCenter] Connecting to the IPv6 Internet IPv6 is coming. In fact, you can encourage its adoption by using it right now, if you've already configured your Linux machine for IPv6. Ibrahim Haddad explains how to connect to the IPv6 Internet with Linux. [LinuxDevCenter.com] An Introduction to the Twisted Networking Framework Network programming is difficult, and not just because bandwidth and latency are hard to manage. Sending and receiving messages in a timely fashion is tricky, even if you're working with a well-established protocol. Itamar Shtull-Trauring introduces Python's Twisted framework for writing networked applications. [Python DevCenter] Five Tips for a Better sendmail Configuration Using the vendor-configured version of sendmail bundled with your Unix OS may seem like the easy route to take, but Craig Hunt says don't be fooled by this apparent simplicity. Creating a custom sendmail configuration gives you better performance, reliability, security, and maintainability. Craig offers five tips to building a better sendmail configuration. Craig is the author of sendmail Cookbook. [ONLamp.com] Open Source in Government: Newport News, Va. Open source software is often attractive to local governments due to cost savings, stability, security, and open access. Migration is still tricky though. Andy Stein, CIO of Newport News, Va., is tackling the problems of adopting open source. In this interview with Tom Adelstein, Andy explains why local governments should form an alliance to share their knowledge and their code. [LinuxDevCenter.com] Using PHP 5's SimpleXML Unless you've worked with SGML, you may find it ironic that XML can be hard to parse. Most choices boil down to event-based parsing, bulky tree-walking, or writing more XML. The upcoming PHP 5 has another option, SimpleXML, that can take the pain out of simple and common XML uses. Adam Trachtenberg explains. [PHP DevCenter]
Bacula: Cross-Platform Client-Server Backups Bacula may not be the first name that comes to mind when you think of open source backup software. Dan Langille claims it's effective and useful, despite the odd name. He describes configuration and usage across multiple platforms and hardwares. [ONLamp.com] Mobile Email with UUCP If you're a mobile user, you're probably familiar with webmail, IMAP, and secure SMTP. You probably also know the frustration of long transfers on slow links. A well-aged Internet protocol may be the answer. Sean Reifschneider reintroduces UUCP, a batch command protocol. [ONLamp.com]
PHP Foundations A Day in the Life of #Apache In this installment of his new series based on conversations on the IRC channel, #apache, Rich Bowen tackles configuration issues in the sometimes bewildering world of virtual hosts. By the time he's through, Rich will have even the most confused Apache administrator creating a functioning virtual host configuration. Rich is coauthor of the recently released Apache Cookbook. [ Apache DevCenter] RouteWord Solutions We've run the puzzles, now find out the answers! Here are the solutions to the 30 RouteWord puzzles Andrew Odewahn provided for us. [ONLamp.com] Enabling IPv6 in Linux IPv6 is coming. In fact, you can encourage its adoption by using it right now. Ibrahim Haddad explains the ideas behind, and justifications for IPv6 and demonstrates how to support it on a Linux server. [Linux DevCenter] The Best of ONLamp 2003 This year, 2003, was a big one for ONLamp. With 200+ articles under our belt, what did we like best? Where are we going next year? [ONLamp.com]
Security Alerts
PHP Foundations Cooking with Apache The recently released Apache Cookbook contains over 100 solutions to problems that webmasters, web administrators, programmers, and anyone who works with Apache have come upon at one time or another. This week we've excerpted sample recipes from the book that contain solutions to problems with virtual hosting, highlighting PHP source, and enabling WebDAV. [Apache DevCenter] Ruby's Present and Future Ruby's been around for ten years and continues to grow in popularity and usage. What's next for the language? That's just one of the questions answered at the 2003 Ruby Conference. Mike Stok was there. He covers all three days of the conference. [ONLamp.com] Pitfalls of Transactions with PHP Database transactions are important for data reliability and consistency. Used properly, they can prevent many types of errors. Used improperly, they can cause many other kinds of errors. Kimberlee Jensen demonstrates using transactions with PHP well. [PHP DevCenter] Using Linux as a Small Business Internet Gateway, Part 2 Internet access is vital to many small businesses. Maintaining a reliable and worry-free connection may seem difficult, but several good monitoring tools exist to simplify the lives of administrators. Alexander Prohorenko explains how to serve DNS and monitor a small network. [LinuxDevCenter.com]
Security Alerts Myths Open Source Developers Tell Ourselves Imitation may be the sincerest form of flattery, but is it effective or useful? Open source developers have the opportunity to learn from the successes and failures of other projects. Are we learning the right lessons, though? [ONLamp.com] Flying the Open Skies with FlightGear Realms of geographic data are entering public use every day. Mappers, hikers, and navigators love it. What's in it for the rest of us? Realistic flight simulators. That's what pilots, aeronautical engineers, and enthusiasts are building with FlightGear, a GPL'd flight sim. Howard Wen talks to the creator and the maintainers. [LinuxDevCenter.com] Generating Database Server-Side Cross Tabulations Normalizing data into a database saves you time and trouble representing information, but actually displaying and reporting that information is trickier. Crosstabs (or pivot tables) make it easier, though trying to pivot on more than two fields is painful. That's where generating crosstab queries can help. Giuseppe Maxia demonstrates. [ONLamp.com]
FreeBSD Basics A Day in the Life of #Apache Rich Bowen, coauthor of Apache Cookbook, spends a lot of time on IRC fielding Apache questions. In this inaugural article to launch a new series based on his conversations on #apache, the IRC channel that runs on the irc.freenode.net network, Rich chronicles a user's troubles getting his .htaccess file working, and he shows what you can do to solve the problem. [Apache DevCenter]
Security Alerts RouteWord: An Interesting Diversion Graphs--loosely connected, unordered collections of nodes--are highly important to computer science. Visualizing graphs is even more important: think of maps, routes, webs, and any other interconnected relationships. Who says that can't also be fun? Andrew Odewahn explains how he accidentally created a new type of word puzzle playing around with graph visualization. [ONLamp.com]
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Orkut wants to own you [brian d foy] Open Source vs. Mac vs. Windows [François Joseph de Kermadec] What is a "Standard" these days anyhow? [Dave Chappell]
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