Difference between revisions of "Screen.installer.15"
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Revision as of 14:19, 19 January 2008
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You can extend your Joomla! based website functions 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 machine (intallation package), from an install directory of the your website or from an URL given by you. Also with this tool you can uninstall every type of extension.
In Joomla! 1.0 the components, modules, mambots (called as 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 by now in Joomla! 1.5 as the installer got smarter because it can detect the extension type and continue the installation process.
It was not possible to install a remote file from the specified URL.
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 simplier solution for managing your installed extensions.
The Installer can be opened from Extensions -> Install/Uninstall menu item. You can choose the mode of the installation. The mode used the 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 the 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 machine and search for the package to upload with Browse... button. After you found the package on your local machine, select it in the Upload File window and click on the Open button, so the specified package name with path appears in the Package file field. Click on the Upload File & Install button! Joomla! uploads the package and automatically install it. You can read a message about the success of the procedure. If you get error message, read it thoughtfully and make the correction!
Install from Directory
Decompress the package in a temporary directory of your local machine 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 fles and directories of the package. After it click on the Install button and Joomla! automatically install it.You can read a message about the success of the procedure. If you get error message, read it thoughtfully and make the 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 install it. You can read a message about the success of the procedure. If you get error message, read it thoughtfully and make the correction!
Uninstalling the installed extensions
Click on one of the tabs on basis of which type of extension you eant to ininstall! In the list select the extension and click on the Uninstall icon on the upper-right side ot the screen. Joomla! automatically uninstalls the specified extension.
You can uninstall more modules, plugins, languages and templates in one step but you can uninstall only one component in one step.
Have another think if you want to uninstall one of Joomla addon. For example sometimes it is good idea to unpublish the modules you don't want to show on frontend. Generally the embedded 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. This ones cannot be selected for uninstalling. Also the Default Template and Language are disabled for selecting.
Important: Do not delete the Default Template and Languege files using FTP because it issues 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 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 anymore, 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.
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 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.