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System - Legacy plugin should be enabled to be able to install the prepared Joomla! 1.0.x extensions.
 
System - Legacy plugin should be enabled to be able to install the prepared Joomla! 1.0.x extensions.
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Revision as of 09:40, 14 May 2008

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Contents

Description

You can extend your Joomla! based website functions by installing different type of extensions (addons). The Installer is a useful tool for installing the extensions in one place fast and correctly. The addons can be installed from your local hard drive (intallation package), from an install directory of your website or from an URL you give. Also with this tool you can uninstall every type of extension.

Screen extension manager install 15.png

Version Changes

In Joomla! 1.0 the components, modules, mambots (called plugins in Joomla! 1.5), templates and languages could be installed separately via their appropriate screens from the menu items of the Installers menu.

It's much more simple in Joomla! 1.5 as the installer can detect the extension type and continue the appropriate installation process.

It was not possible to install a remote file from a specified URL in Joomla! 1.0.

In Joomla! 1.0.x the available extensions were listed on their installation screens. In Joomla! 1.5 it was changed to a multi-tabbed interface, providing an easier and simpler solution for managing your installed extensions.

Column Headers

Components

  • #. An indexing number automatically assigned by Joomla! for ease of reference.
  • Component. The name of the installed component.
  • Enabled. A green tick or a red X showing whether the use of the component is enabled/disabled. Click the icon to toggle the item between enabled and disabled.
  • Version. The version number of the Extension.
  • Date. The date this Article was created. This date is added automatically by Joomla!, but you may change it in the Parameters - Article section of the Article Manager - New/Edit.
  • Author. Name of the Joomla! User who created this item. Clicking on the Author opens the User for editing. See User Manager - Edit.

Modules

  • #. An indexing number automatically assigned by Joomla! for ease of reference.
  • Module. The name of the installed module.
  • Client. Attribute indicating the scope of the listed module.
  • Version. The version number of the Extension.
  • Date. The date this Article was created. This date is added automatically by Joomla!, but you may change it in the Parameters - Article section of the Article Manager - New/Edit.
  • Author. Name of the Joomla! User who created this item. Clicking on the Author opens the User for editing. See User Manager - Edit.

Plugins

  • #. An indexing number automatically assigned by Joomla! for ease of reference.
  • Plugin. The name of the installed plugin.
  • Type. Indicates the type of the listed plugin.
  • Version. The version number of the Extension.
  • Date. The date this Article was created. This date is added automatically by Joomla!, but you may change it in the Parameters - Article section of the Article Manager - New/Edit.
  • Author. Name of the Joomla! User who created this item. Clicking on the Author opens the User for editing. See User Manager - Edit.

Languages

  • #. An indexing number automatically assigned by Joomla! for ease of reference.
  • Language. The name of the installed language pack.
  • Client. Attribute indicating the scope of the listed language pack.
  • Version. The version number of the Extension.
  • Date. The date this Article was created. This date is added automatically by Joomla!, but you may change it in the Parameters - Article section of the Article Manager - New/Edit.
  • Author. Name of the Joomla! User who created this item. Clicking on the Author opens the User for editing. See User Manager - Edit.

Templates

  • #. An indexing number automatically assigned by Joomla! for ease of reference.
  • Template Name. The name given to each Template by the Template author. Click the Name to open the Template for editing. If you hover the mouse over the Template Name, a small preview for the Template displays in a pop-up window. The Template Name normally corresponds to the sub-directory name that contains the Template in the <path-to-Joomla!>/templates/ directory. For example, the files for the "rhuk_milkyway" Template are in the directory "<path-to-Joomla!>/templates/rhuk_milkyway".
  • Client. Attribute indicating the scope of the listed template.
  • Version. The version number of the Extension.
  • Date. The date this Article was created. This date is added automatically by Joomla!, but you may change it in the Parameters - Article section of the Article Manager - New/Edit.
  • Author. Name of the Joomla! User who created this item. Clicking on the Author opens the User for editing. See User Manager - Edit.

Typical Usage

The Installer can be opened from Extensions -> Install/Uninstall menu item. You can choose the mode of the installation. The mode used most frequently is the Upload Package File.

Upload Package File

In the upload field named Package file you can specify the package of the extension to install. If GZip support is enabled with PHP on your server, the installer can extract the contents of a zipped or gzipped archive. You can browse your local hard drive and search for the package to upload with the Browse... button. After you find the package on your local drive, select it in the Upload File window and click on the Open button, so the specified package name with the path appears in the Package file field. Click on the Upload File & Install button. Joomla! uploads the package and automatically installs it. You can read a message about the success of the procedure. If you get an error message, read it thoughtfully and make any required correction.

Install from Directory

Create a temporary directory on your hard drive and decompress the compressed package into it, then with FTP you can upload the files and directories of the package into a directory on the server. Then in the Install Directory field specify the directory where you have uploaded the files and directories of the package. After that click on the Install button and Joomla! automatically installs the content of the given directory. You can read a message about the success of the procedure. If you get an error message, read it thoughtfully and make any required correction.

Install from URL

In the Install URL field specify the URL of the package to upload and click on the Install button and Joomla! automatically installs it. You can read a message about the success of the procedure. If you get an error message, read it thoughtfully and make any required correction.

Uninstalling extensions

Click on one of the tabs depending on which type of extension you want to uninstall. In the list select the extension and click on the Uninstall icon on the upper-right side of the screen. Joomla! automatically uninstalls the specified extension.

You can uninstall multiple modules, plugins, languages and templates in one step but you can uninstall only one component at a time.

Quick Tips

Think twice if you want to uninstall a Joomla addon. For example sometimes it is a good idea to unpublish the modules you don't want to show on frontend. Generally the bundled Joomla modules cannot be reinstalled without a hitch.

Disable a component

If you do not want to use a component, then switch to the Components tab and click the green tick in the Enabled column. The green tick will be replaced with a red X. The disabled component will disappear in the Components menu.

Support old extensions in Legacy Mode

Some old 1.0.x extensions support Joomla! 1.5 in Legacy Mode. To be able to install such extensions please open the Plugin Manager screen from the Extensions menu and enable plugin System - Legacy as it is disabled by the default.

Points to Watch

Some Core or System addons (Component, Module, Plugin) cannot be uninstalled so cannot be selected for uninstallation. Also the Default Template and Language are disabled for selection.

Important: Do not delete the Default Template and Languege files using FTP because it generates errors in error both front-end and back-end.

When you want to install a 3rd party developed module or plugin which belongs to a component, please keep in mind that you cannot use it unless you first install the related component.

When you uninstall a 3rd party developed component having its own module(s) or plugin(s), these modules cannot be used any more, so please uninstall them as well.

Some components coded by 3rd party developers may have their own modules and/or plugins included in the installer, so make sure the module/plugin directories are writable otherwise the extension will not work properly.

SECURITY WARNING: Please use only those 3rd party extensions on your site which you really need. Do not use your live site for testing purposes because it may compromise your site and server.

Please do not install Joomla! extensions downloaded from warez sites because they may be infected by a virus or malware that cause damage on the server and can contaminate the computer of your visitors! Installing from remote URL can be dangerous as well.

Dependencies

An installed component will be registered and listed in the Components menu.

You can assign a menu item to an installed component in the Menu Item Manager by clicking the New toolbar button. You can select it in the Internal Link branch.

An installed module will be added to the list of the Module Manager where you can enable/disable it or customize its parameters.

An installed plugin will be added to the list of the Plugin Manager where you can enable/disable it or customize its parameters.

An installed template will be added to the Site or Administrator list of the Template Manager where you can assign it to all of the pages or to the selected ones and customize its parameters, edit the HTML or CSS source or preview the available module positions.

An installed language will be added to the Site or Administrator list of the Language Manager depending on the client attribute where you can set it as the default language.

System - Legacy plugin should be enabled to be able to install the prepared Joomla! 1.0.x extensions.