Apache DevCenter
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Four short links: 7 June 2013
by Nat Torkington
Accumulo — NSA’s BigTable implementation, released as an Apache project. How the Robots Lost (Business Week) — the decline of high-frequency trading profits (basically, markets worked and imbalances in speed and knowledge have been corrected). Notable for the regulators getting …

Open source community collaboration strategies for the enterprise
by Simon Phipps
This report examines the strategies and caveats businesses must consider before adopting open source software, including: the layers and needs of open source communities, the relationship between transparency and privacy, the problems with "open core," and why control should be traded for influence.

How to use email with Apache and PHP on localhost
by VinnyPet
Warning: mail() [function.mail]: Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" setting in php.ini or use ini_set() in C:\Program Files\Apache Software Foundation\Apache2.2\htdocs\PHPThreeFinal\sendemail.php on line 24 This is the message I get using the program example in Chapter 3 (PHP & ...

Four short links: 25 April 2012
by Nat Torkington
World History Since 1300 (Coursera) -- Coursera expands offerings to include humanities. This content is in books and already in online lectures in many formats. What do you get from these? Online quizzes and the online forum with similar people considering similar things. So it's a book club for a university course? mod_spdy -- Apache module for the SPDY...

What is Apache Hadoop?
by Edd Dumbill
Apache Hadoop has been the driving force behind the growth of the big data industry. But what does it do, and why do you need all its strangely-named friends, such as Oozie, Zookeeper and Flume?

Why Hadoop caught on
by Audrey Watters
Doug Cutting discusses Hadoop's current and near-term role, and the factors that made it a central part of data processing.

PHP 5.4 With Built-In Development Server - Now Run PHP Without Apache
by thetecnica
A Good news for the PHP Developers, In PHP 5.4 developers will no longer require to go through all the hurdles in setting up an web server in order to develop and test their PHP codes. PHP 5.4 will have a built in web development server which can be started right inside the same folder where you are developing your project codes. Till now as of PHP 5.3 developers had to set up a web-server envi...

Developer Week in Review: Adobe sends Flex to Apache
by James Turner
Adobe just gave away Flex, a new single-board computer might dethrone Arduino as the tool of choice for makers, and researchers bring us a step closer to our robotic overlords.

Developer Week in Review: Christmas in July for Apache
by James Turner
In the latest Developer Week in Review: Apache gets a gift of code from IBM, and a handy patent / travel guide for your next trip to East Texas.

The Java parade: What about IBM and Apache?
by Mike Loukides
Why did Mike Loukides leave IBM and Apache out of his recent piece, "Who leads the Java Parade?" Because — despite good reasons — they both opted out.

what is the best book on apache axis2?
by chuck214
what is the best book on apache axis2? I don't see any "o'reilly" axis2 books. I am an experienced java web app developer, but have not really done anything with web services... I've studied java web services, jws, but my company has adopted apache axis2 as our standard. Thank you in advance for any useful info.

Developer Week in Review: The other shoe drops on iOS developers
by James Turner
If you were an iOS developer, you may have gotten to meet a process server in person this week, as Lodsys doles out the first batch of lawsuits. Oracle gave Apache the keys to OpenOffice, and told them to take it out for a spin, and your faithful editor vents about a commonly overused Java pattern.

Apache: Redirect to Language Path by Browser Language Setting
by Adam Musial-Bright
Recently I had to find a solution to redirect users to the right language on a multilingual website. I decided to use the browser language setting, which is send with every request you make. The website languages where basically distinguished by an simple /en, /de, /pl prefix, so all I had to do was: read the browser language redirect to the coresponding language page (/en, /de, ...) if there is...

Apache module - HTTP POST data manipulation - Error @ App server side while reading modified request
by vishva29
I have written an Apache(2.3) module in C which reads HTTP POST request , encrypt some of the fields and forward the request (now with encrypted data) to app server (weblogic server). The module reads the request body using bucket / brigade APIs.After encryption, i am using Apr_brigade_insert_tail API to put the brigade(with encrypted value) in the POST body. Obviously the length gets changed and ...

Four short links: 31 March 2011
by Nat Torkington
Debt: The First 5,000 Years -- Throughout its 5000 year history, debt has always involved institutions - whether Mesopotamian sacred kingship, Mosaic jubilees, Sharia or Canon Law - that place controls on debt's potentially catastrophic social consequences. It is only in the current era, writes anthropologist David Graeber, that we have begun to see the creation of the first...

Caching Dynamic Content with Apache httpd  Dynamic websites tend to be easier to manage than large collections of similar static files, but they often get many times more reads than they do writes. Every database hit and page generation can eat up precious CPU cycles. Rich Bowen shows off mod_cache, which trades disk space or memory for CPU and can help improve performance on your servers.   [ONLamp]

Scaling Dynamic Websites with Apache Modules  Yogesh Makwana and Syvum Technologies had a problem: their application, hosted on a shared server, used too much CPU time and had grown unresponsive. Moving to a virtual private server and using the appropriate Apache modules and architecture brought their costs and response times and load averages under control. This case study explores their technique.   [Apache]

What's New in ModSecurity  Two years ago, Ivan Ristic introduced ModSecurity, an Apache httpd module to increase the security and safety of web applications. Now his team has released version 1.9 with many features and improvements. Here's why you should use ModSecurity.   [Apache]

Sending Apache httpd Logs to Syslog  Apache httpd's standard text logfiles are well understood and useful, but sometimes they're not the best option. The mature and flexible Unix syslog system offers plenty of opportunities to improve reporting and security. Rich Bowen explains how to join these two systems together.   [Sysadmin]

A Day in the Life of #Apache  Rich Bowen is back with another installment in his occasional series based on conversations on #apache. In this article, Rich discusses a particular Apache Web Server annoyance, the Options directive, and he explains how it works and why it does what it does. Rich is a coauthor of O'Reilly's Apache Cookbook   [Apache DevCenter]

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]

A Day in the Life of #Apache  Rich Bowen is back with another installment in his ongoing series based on conversations on #apache. This week, he provides examples of using RewriteMap--which are lacking in its documentation and online--in this mini-tutorial. Rich is a coauthor of O'Reilly's Apache Cookbook.   [ONLamp.com]

Important Notice for Apache DevCenter Readers About O'Reilly RSS and Atom Feeds  O'Reilly Media, Inc. is rolling out a new syndication mechanism that provides greater control over the content we publish online. Here's information to help you update your existing RSS and Atom feeds to O'Reilly content.  [ONLamp.com]

Writing Apache's Logs to MySQL  Adding a few performance statistics to your Apache httpd logs can help you profile your applications. Digging through flat files for information is a drag, though. Logging to a relational database can make reporting and analysis much more convenient. Chris Josephes demonstrates how to install and configure mod_log_mysql and shows off what you can do with it.   [ONLamp.com]

Profiling LAMP Applications with Apache's Blackbox Logs  Benchmarking LAMP sites can be tricky; how do you know which pages or applications need tuning? Fortunately, you can easily tune your Apache logs to provide more useful profiling information. Chris Josephes explains a Blackbox log format for Apache httpd.   [Apache DevCenter]

A Day in the Life of #Apache  If you've tried editing in WebDAV, you've likely encountered a permissions problem, as well as the problem of needing to edit your PHP files. Rich Bowen has a simple and effective solution to both of these problems in his latest #apache column. Rich is a coauthor of O'Reilly's Apache Cookbook.   [ONLamp.com]

A Day in the Life of #Apache  Rich Bowen is back after a hiatus with another column based on his conversations on the IRC channel #apache. Rich explains why it is in fact possible to run name-based SSL virtual hosts on Apache. Rich is a coauthor of O'Reilly's Apache Cookbook.   [ONLamp.com]

A Day in the Life of #Apache  In this month's column, Rich Bowen tackles an Apache security issue. Learn how to configure Apache to send a different Server response so no one can identify what version of Apache you're running or any of the modules you have installed. The less information your server reveals, the safer it will be from crackers. Rich is a coauthor of O'Reilly's Apache Cookbook.   [ONLamp.com]

A Day in the Life of #Apache  Rich Bowen is back this month after a brief summer hiatus with his latest column based on his conversations on the IRC channel #apache. Want to know how to make your web site faster? Rich has some tips to enhance your server's performance. Rich is a coauthor of O'Reilly's Apache Cookbook.   [ONLamp.com]

A Day in the Life of #Apache  In Rich Bowen's latest column based on his conversations on the IRC channel #apache, he attempts to answer a question that comes up at least once a day, but which doesn't have one clear answer: whether to use Apache 1.3 or 2.0. Find out why the answer is not a simple one. Rich is a coauthor of O'Reilly's Apache Cookbook.   [Apache DevCenter]

A Day in the Life of #Apache  File permissions are a major topic of conversation on #apache -- the IRC channel on which Rich Bowen often lends a helping hand. In this latest article in the series based on his #apache conversations, Rich covers the hows and whys to setting up file permissions on Unix machines. Rich is a coauthor of Apache Cookbook.   [Apache DevCenter]

A Day in the Life of #Apache  In this latest installment in the series based on his conversations on the IRC channel #apache, Rich Bowen walks through three error condition scenarios administrators have encountered and shows what to do about them, in order to create a more welcoming, less "Forbidden" web site for end users. Rich is the coauthor of O'Reilly's Apache Cookbook.   [Apache DevCenter]

A Day in the Life of #Apache  In this latest installment in the series based on his conversations on the IRC channel #apache, Rich Bowen takes you on an interesting trip through the history of mod_imap, and why some modules hang around long after they're no longer in use. Rich is a coauthor of O'Reilly's Apache Cookbook.   [Apache DevCenter]

A Day in the Life of #Apache  Rich Bowen tackles yet another common Apache dilemma in the latest installment in this series based on his conversations on the IRC channel, #apache. This week he delves into the sometimes confusing world of modules: when to enable them, when to disable them, and why.   [Apache DevCenter]

Cooking with Apache, Part 3  We've three more samples this week from O'Reilly's Apache Cookbook to tempt you with. Learn how to set up authentication requirements for a proxied server, how to optimize performance of symbolic links, and how to solve the "trailing slash" problem.   [Apache DevCenter]

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]

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.   [Apache DevCenter]

Introducing mod_security  Every layer of security you can add is one more deterrent for the bad guys. Writing (or choosing) secure code is important, but it's not the only defense. Ivan Ristic, creator of mod_security, explains how this Apache module can turn back potential attacks before they reach your code.   [Apache DevCenter]

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]

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]

Enterprise Application Integration using Apache Cocoon 2.1  A case study of using Cocoon to build a web-based travel agency desktop system, integrating several backend systems.   [XML.com]

Single Sign-on for Your Web Applications with Apache and Kerberos  In this article, Jason Garman, author of Kerberos: The Definitive Guide, walks you through the implementation of SPNEGO, which allows for single sign-on of your web applications with Apache and Kerberos. Once you've performed these steps, clients who access the protected area of your Apache web server will transparently pass their domain credentials to your web server, with no separate username or password prompts.   [ONLamp.com]

Simplify Your Life with Apache Virtual Hosts  Not every web site needs its own server or IP address. Apache and HTTP 1.1 both allow different sites to share a single box and a IP address. Russell Dyer explains how virtual hosts can make your life easier as a web developer and a system administrator.   [Apache DevCenter]