IBM has put out an interesting series on website development practices using open source tools: 

 http://www.ibm.com/developerworks/ibm/osource/index.html

Tools covered include

• Drupal. An open source content management system
• MySQL. An open source database store
• PHP. A Web-based language for supporting dynamic content with PHPMyAdmin and SQLBrowse
• Apache. An open source Web server
• Eclipse. An open source development environment
• CVS. A source code management system that tracks changes in your code

There’s a good part on setting up your Eclipse development environment with PHP debugger and CVS support.

http://www.ibm.com/developerworks/ibm/library/i-osource13/

Great tutorials on AJAX, PHP, MySQL, Javascript, etc. can be accessed by creating an IBM dw ID:

http://www-128.ibm.com/developerworks/training/