Chapter 3. Configuring Joomla!

When you install Joomla!, it comes preset with a standard configuration. You should always change Joomla!'s default configuration because it is never set in such a way that it will work perfectly for your site. For example, the site's metadata (keywords and description) are set to information about Joomla! by default, and unless your site is about Joomla! you should always change this information as soon as possible.

Configuration in Joomla! 1.5 is handled differently than in Joomla! 1.0. The main difference is that the management of many of the component-specific configuration parameters has been moved to within each component's back-end manager. In Joomla! 1.0, all core configuration was handled in the global configuration, but now only parameters that affect the entire system are managed in the global configuration.

In this chapter, you learn about the global configuration parameters and how they affect your site. Then, you learn about component-specific configuration parameters and how they affect your site.

Global Configuration

The global configuration of your site is the first thing you should modify. The parameters in the global configuration are stored in configuration.php, which you can read more about in Appendix B. Fortunately, Joomla! provides an easy-to-use interface for modifying your configuration settings. If the FTP layer is not enabled, you must make sure that configuration.php is writable before you can change the global configuration. ...

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