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Many types of websites can be built and maintained more easily using a content management system (CMS). A CMS provides a web-based interface for creating and organizing content. The content is stored in a database, then consistently presented according to a set of templates and preferences, which eliminates the need to handcraft each page in HTML. Joomla! is a popular, easy-to-use, open-source CMS built in PHP. It has near-limitless functionality, thanks to its community of extension developers. In Joomla! 1.5 Essential Training, Joseph LeBlanc uses Joomla! to build a small-business website from scratch with no programming at all, from installation to launch. He demonstrates how to create and organize content; add menus, sidebars, and other features; change the look with templates; install plug-ins and extensions; and much more. Exercise files accompany the course.
Most of the functionality of Joomla is provided through extensions to the core code. While Joomla ships of many useful extensions preinstalled, you can always add more to get more features. In this video, I will show the Extension Manager and describes the different extension types. Let's go to the Extension Manager now. Go to Extensions, Install/Uninstall. From this screen you can install any type of extension. When you have an extension ready to install, click Browse to find it on your computer. Once you've found it click Upload File and Install to install it on your website.
The Install from Directory option is an advanced tool that you can use if you're having trouble installing from file. Normally, you won't need to use this. Finally you can install from a URL. If the ZIP file is available on a Public website, you can paste the address here and simply click Install. Now let's take a look at the different kinds of extensions. First we have Components. Components provide the main functionality for every page in Joomla. One and only one component loads with every page.
Next we have Modules. Modules are small pieces of content you can place around your page. Some examples of predefined modules are bread crumbs, login forms, polls, and search forms. You can have as many modules as you want on a page and you can publish certain modules to specific pages. Next let's click Plugins. Plug-ins provide a variety of functionality that we cover in another video. Now let's choose Languages.
Languages translate the Joomla user interface into other languages. We'll be covering languages in greater depth in another video. Finally let's look at Templates. Templates control the look and feel of your website. You can have more than one template on your Joomla site, with one template set as the default and another template set to only display on certain pages. Five different extension types work together to generate every page in Joomla. To get more features for Joomla, install more extensions.
More extensions can be installed through the Extension Manager, which allows you to upload a ZIP file from your computer, install from a folder, or simply install from a URL.
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