Documentation

Joomla! Settings

Overview

Note: Most, if not all, of these settings can be set once and then left alone. Most HUBzero installs will have these configurations set for optimal performance. It is not advisable to make changes to the "System" or "Server" settings.

The settings are saved in '/configuration.php'. To save your changes, either the FTP-layer must be activated or the 'configuration.php' file made writable.

Toolbar

At the top right you will see the toolbar. The functions are:

Save
Save the modifications you made to the Global Configuration. You will be redirected to the Control Panel
Apply
Save it, but stay in the same screen. If you have been working on a screen for a long time and don't want to risk losing your work, pressing Apply saves your work and lets you continue working. If, for example, you lost your Internet connection, your work will be saved up this point.
Close
Return to the previous screen without saving your work. If you press Close while adding a new item, this new item will not be created. If you were modifying an existing item, the modifications will not be saved.
Help
Opens the Joomla! Help Screen.

Site Setting Groups

Site settings groups

Site Settings

Site Offline
This setting shows when the site is offline. Only Administrators will be able to see the site when Site Offline is set to Yes. The default setting is No.
Offline Message
The message that will be displayed on the site when the site is offline.
Site Name
The name of the site.
Default WYSIWYG Editor
(WYSIWYG stands for What You See Is What You Get) The default editor to use when creating articles.
List Length
The length of lists in the Control Panel for all Users. By default, this is set to 20.
Feed Length
The number of content items to be shown in the feed(s). By default, this is set to 10.

Metadata Settings

Global Site Meta Description
This is the description of the site which is indexed by search engine spiders.
Global Site Meta Keywords
These keywords describe the site and are the basis for improving the ability of search engine spiders ability to index the site.
Show Title Meta Tag
It shows the Meta information of each article. This Meta information is used by search engine spiders when indexing the site. Each article can have its own Meta Data information (set under the Metadata Information pane when creating or editing an article).
Show Author Meta Tag
It shows the Author Meta information for articles and is used by search engine spiders when indexing the site.

SEO Settings

SEO stands for Search Engine Optimization.

Search Engine Friendly URLs
When set to Yes, URLs are rewritten to be more friendly for search engine spiders. For example, the URL: www.example.com/index.php?option=com_content&view=etc..., would turn into: www.example.com/alias. Most of the items created in Joomla! have an Alias box where a search engine friendly URL can be inserted. The default setting is No.
Use Apache mod_rewrite
When set to Yes, Joomla! will use the mod_rewrite settings of Apache when creating search engine friendly URLs. Please note: it is advised that you do not modify any .htaccess file without an understanding of how it works. You must use the .htaccess file provided with Joomla! in order to use this setting. To use this file, rename the htaccess.txt file (found in the root directory) to .htaccess. By default, this setting is set to No.
Add suffix to URLs
When set to Yes, Joomla! will add .html to the end of the URLs. The default setting is No.

System Setting Groups

System settings groups

System Settings

Secret Word
This is generated when Joomla! is first installed and is not changeable. It is used internally by Joomla! for security purposes.
Path to Log folder
The path where the logs should be stored. The Joomla! installer should automatically fill in this folder.
Enable Web Services
This feature enables Joomla! to make RPC (Remote Procedure Calls) using HTTP as the transport medium and XML as the encoding language. This function should remain on to ensure that many third party extensions works. The default setting Yes.
Help Server
The place Joomla! looks for help information when you click the Help button (visible in many screens and options of the administration panel). By default, it uses Joomla!'s main help site.

User Settings

Allow User Registration
This determines whether users can register on the site. The default setting is Yes.
New User Registration Type
If Allow User Registration is set to Yes, this setting tells Joomla! what level of access should be given to new users who register. The default setting is Registered.
New User Account Activation
This setting determines whether a new user will have to activate their account before they can use it. If set to Yes, users will be sent an email containing a link to a web address. The user must follow this link to activate his/her account. By default, this setting is set to Yes.
Front-end User Parameters
When set to Show, users will be able to select their language, article editor, and help site preferences from within their Details screen. The default setting is Show.

Media Settings

Legal Extensions (File Types)
These are the file types users are allowed to upload. By default, when Joomla! is installed, basic image and document files are allowed.
Maximum Size (in bytes)
The maximum file size users are allowed to upload, in bytes. The default setting is 10000000 (or 10mb).
Path to Media Folder
The path where non-image media files are located, including videos and document files. The default is "<Joomla! home>/images". You can create a new folder to use with the Media Manager and enter the path to that folder here. Warning: Do not delete or rename the existing "<Joomla! home>/images" folder on your server. This folder and its subfolders "images/banners", "images/M_images", "images/smiles", and "images/stories" are used by Joomla!. Deleting or renaming these folders may cause errors.
Path to Image Folder
The path where images are stored. The default is "<Joomla! home>/images/stories". You can create a new folder to use with the Media Manager and enter the path to that folder here. If you want to access this folder from the Media Manager, either use the default value or make the new folder a sub-folder of the Media Manager folder. Warning: Do not delete or rename the existing "images/stories" folder on your server. This folder is used by Joomla! and deleting or renaming it will cause errors.
Restrict Uploads
This feature restricts uploads by user type. The default setting is Yes.
Check MIME Types
This uses MIME Magic or Fileinfo to verify files. The default setting is Yes. By checking the MIME information, you help ensure users don't upload malicious files to your site. If invalid MIME type errors are received then change the setting to No.
Legal Image Extensions (File Types)
This allows you to limit the types of images that can be uploaded. It operates by checking the file image headers. By default, Joomla! only allows bmp,gif,jpg,png.
Ignored Extensions
This sets which extensions are ignored for MIME type checking and restricts uploads. By default, no extensions are ignored.
Legal MIME Types
This sets the list of legal MIME types for uploads. By default, Joomla! automatically includes some standard file types. It is recommended that you do not touch this setting unless you know what you are doing.
Illegal MIME Types
This sets the list of illegal MIME types for uploads. By default, Joomla! automatically blocks HTML MIME types. It is recommended that you do not touch this setting unless you know what you are doing.
Enable Flash Uploader
This setting enables the integrated Flash Uploader which is used for example at the Media Management. If enabled it is possible to upload several fieles at once. Default setting is No. Tip: if enabled and the download does not work, disable the flash uploader (can happen due incompatible flash settings by Adobe)

Debug Settings

Debug System
This will turn on the debugging system of Joomla!. When set to Yes, this tool will provide diagnostic information, language translations, and SQL errors. If any such issues or errors occur, they will be displayed at the bottom of each page, in both the front-end and back-end.
Debug Language
This will turn on the debugging indicators (*...*) or (?...?) for the Joomla! Language files. Debug Language will work without the Debug System tool set to on. But it will not provide additional detailed references which would help in correcting any errors.

Cache Settings

Cache
This setting sets whether site caching is enabled or not. When enabled, it keeps a local copy of the content on the server to speed up accessing and lessen stress on the database. The default setting is No.
Cache Time
This setting sets the maximum length of time (in minutes) for a cache file to be stored before it is refreshed. The default setting is 15 minutes.
Cache Handler
This setting sets how the cache operates. There is only one caching mechanism which is file-based.

Session Settings

Session Lifetime
This setting sets how long a session should last and how long a user can remain signed in for (before logging them off for being inactive). The default setting is 15 minutes.
Session Handler
This setting sets how the session should be handled once a user connects and logs into the site. The default setting is set to Database.

Server Setting Groups

Server settings groups

Server Settings

Path to Temp-folder
The path where files are temporarily stored. This is filled in by default when Joomla! is installed.
GZIP Page Compression
Compressing pages typically increases your site's speed. The default setting is No.
Error Reporting
This sets the appropriate level of reporting. The default setting is System Default.
Force SSL
This setting forces the site access for selected areas under SSL (https). Note: you must have set already the server to use SSL. Options are:
None
SSL is not activated
Administrator Only
SSL is only valid for the backend.
Entire Site
SSL is valid for the whole site (front- & backend).

Locale Settings

Time Zone
This tool sets the current date and time. The set time should be where the site's server is located. The default setting is (UTC 00:00) Western Europe Time, London, Lisbon, Casablanca.

FTP Settings

FTP stands for File Transfer Protocol. Most of these settings are set during the initial Joomla! installation.

Enable FTP
This setting tells Joomla! to use it's built-in FTP function instead of the normal upload process used by PHP.
FTP Host
The host server's URL connecting the FTP.
FTP Port
The port where the FTP is accessed. The default setting is 21.
FTP Username
The username that Joomla! will use when accessing the FTP server. Security recommendation: create another FTP user account to access a folder where files will be uploaded to.
FTP Password
The password that Joomla! will use when accessing the FTP server. Security recommendation: create another FTP user account to access the folder where files will be uploaded to.
FTP Root
The root directory where files should be uploaded to.

Database Settings

These settings are set during the initial setup of Joomla! It is advised to leave these settings the way they are, unless you have a good understanding of how databases work.

Database Type
The type of databased to be used. The default setting is mysql, but this can be changed during the initial setup of Joomla!.
Hostname
The hostname where the database is located. It is typically set to localhost for most servers. It is possible for the hostname to be located on a different server all together.
Username
The username to access the database.
Database
The name of the database.
Database Prefix
The prefix used before the actual table's name. This allows you to have multiple Joomla! installations in the same database. The default setting is jos_, but this can be changed during initial setup of Joomla!.

Mail Settings

The mail settings are set during the initial setup of Joomla!. These settings can be changed whenever needed.

Mailer
This setting sets which mailer to use to deliver emails from the site. The default setting is PHP Mail Function. This can be changed during the initial setup of Joomla!.
PHP Mail Function
This uses the mail function that is built into PHP.
Sendmail
This uses the Sendmail program, which is typically used when creating HTML email forms.
SMTP Server
This uses the site's SMTP server.
Mail from
The email address used by Joomla! to send site email.
From Name
The name Joomla! will use when sending site emails. By default, Joomla! uses the site name during the initial setup.
Sendmail Path
The path where the Sendmail program is located. This is typically filled in by Joomla! during the initial setup. This path is only used if Mailer is set to Sendmail.
SMTP Authentication
If the SMTP server requires authentication to send mail, set this to Yes. Otherwise leave it at No. This is only used if Mailer is set to Sendmail.
SMTP Username
The username to use for access to the SMTP host. This is only used if Mailer is set to Sendmail.
SMTP Password
The password to use for access to the SMTP host. This is only used if Mailer is set to Sendmail.
SMTP Host
The SMTP address to use when sending mail. This is only used if Mailer is set to Sendmail.

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