Installing Apache, PHP, MySQL and phpMyAdmin from XAMPP. XAMPP is an all-in-one package that you can use to install Apache, PHP, and MySQL. XAMPP also installs phpMyAdmin, a Web application used to administer MySQL. XAMPP installs all the packages in one easy procedure. XAMPP installation instructions are provided for Windows and Mac.

Get your own instance of Elgg running in no time.

Contents

• MySQL 5.5.3+ (5.0.0+ if upgrading an existing installation)

• PHP 7.1+ with the following extensions:

  • GD (for graphics processing)
  • PDO (for database connection)
  • JSON (for AJAX responses, etc.)
  • XML (for reading plugin manifest files, etc.)
  • Multibyte String support (for i18n)
  • Proper configuration and ability to send email through an MTA

• Web server with support for URL rewriting

Official support is provided for the following configurations:

• Apache server

  • Apache with the rewrite module enabled
  • PHP running as an Apache module

• Nginx server

  • Nginx with PHP-FPM using FastCGI

By 'official support', we mean that:

• Most development and testing is performed with these configurations
• Much of the installation documentation is written assuming Apache or Nginx is used
• Priority on bug reports is given to Apache and Nginx users if the bug is web server specific(but those are rare).

Browser support policy

Feature branches support the latest 2 versions of all major browsersas were available at the time of the first stable release on that branch.

Bugfix release will not alter browser support,even if a new version of the browser has since been released.

Major browsers here means all of the following, plus their mobile counterparts:

• Android Browser
• Chrome
• Firefox
• IE
• Safari

'Support' may mean that we take advantage of newer, unimplemented technologiesbut provide a JavaScript polyfill for the browsers that need it.

You may find that Elgg happens to work on unsupported browsers,but compatibility may break at any time, even during a bugfix release.

Upload Elgg

With Composer (recommended if comfortable with CLI):

From pre-packaged zip (recommended if not comfortable with CLI):

• Download the latest version of Elgg
• Upload the ZIP file with an FTP client to your server
• Unzip the files in your domain's document root.

Create a data folder

Elgg needs a special folder to store uploaded files including profileicons and photos. You will need to create this directory.

Attention!

For security reasons, this folder MUST be stored outside of yourdocument root. If you created it under /www/ or /public_html/, you'redoing it wrong.

Once this folder has been created, you'll need to make sure the webserver Elgg is running on has permission to write to and createdirectories in it. This shouldn't be a problem on Windows-based servers,but if your server runs Linux, Mac OS X or a UNIX variant, you'll needto set the permissions on the directory.

If you are using a graphical FTP client to upload files, you canusually set permissions by right clicking on the folder andselecting 'properties' or 'Get Info'.

Note

Directories must be executable to be read and written to. Thesuggested permissions depend upon the exact server and userconfiguration. If the data directory is owned by the web serveruser, the recommended permissions are 750.

Warning

Setting your data directory to 777 will work, but it is insecureand is not recommended. If you are unsure how to correctly setpermissions, contact your host for more information.

Create a MySQL database

Using your database administration tool of choice (if you're unsureabout this, ask your system administrator), create a new MySQL databasefor Elgg. You can create a MySQL database with any of the followingtools:

Make sure you add a user to the database with all privileges and recordthe database name, username and password. You will need this informationwhen installing Elgg.

Set up Cron

Elgg uses timed requests to your site to perform background tasks likesending notifications or performing database cleanup jobs. You needto configure the :doc:`cron</admin/cron>` to be able to use those kind of features.

Visit your Elgg site

Once you've performed these steps, visit your Elgg site in your webbrowser. Elgg will take you through the rest of the installation processfrom there. The first account that you create at the end of theinstallation process will be an administrator account.

A note on settings.php and .htaccess

The Elgg installer will try to create two files for you:

• elgg-config/settings.php, which contains local environment configuration for your installation
• .htaccess, which allows Elgg to generate dynamic URLs

If these files can't be automatically generated, for example because theweb server doesn't have write permissions in the directories, Elgg willtell you how to create them. You could also temporarily change thepermissions on the root directory and the engine directory. Set thepermissions on those two directories so that the web server can writethose two files, complete the install process, and them change thepermissions back to their original settings. If, for some reason, thiswon't work, you will need to:

• In elgg-config/, copy settings.example.php to settings.php, open it upin a text editor and fill in your database details
• On Apache server, copy install/config/htaccess.dist to .htaccess
• On Nginx server copy install/config/nginx.dist to /etc/nginx/sites-enabled and adjust it's contents

Help! I'm having trouble installing Elgg

First:

• Recheck that your server meets the technical requirements for Elgg.
• Follow the environment-specific instructions if need be
• Have you verified that mod_rewrite is being loaded?
• Is the mysql apache being loaded?

Keep notes on steps that you take to fix the install. Sometimes changingsome setting or file to try to fix a problem may cause some otherproblem later on. If you need to start over, just delete all the files,drop your database, and begin again.

I can't save my settings on installation (I get a 404 error when saving settings)

Elgg relies on the mod_rewrite Apache extension in order to simulatecertain URLs. For example, whenever you perform an action in Elgg, orwhen you visit a user's profile, the URL is translated by the serverinto something Elgg understands internally. This is done using rulesdefined in an .htaccess file, which is Apache's standard way ofdefining extra configuration for a site.

This error suggests that the mod_rewrite rules aren't being pickedup correctly. This may be for several reasons. If you're not comfortableimplementing the solutions provided below, we strongly recommend thatyou contact your system administrator or technical support and forwardthis page to them.

The .htaccess, if not generated automatically (that happens when youhave problem with mod_rewrite), you can create it by renaminginstall/config/htaccess.dist file you find with elgg package to .htaccess. Alsoif you find a .htaccess file inside the installation path, but youare still getting 404 error, make sure the contents of .htaccess aresame as that of install/config/htaccess.dist.

``mod_rewrite`` isn't installed.

Check your httpd.conf to make sure that this module is being loadedby Apache. You may have to restart Apache to get it to pick up anychanges in configuration. You can also use PHP info to check to seeif the module is being loaded.

The rules in ``.htaccess`` aren't being obeyed.

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In your virtual host configuration settings (which may be containedwithin httpd.conf), change the AllowOverride setting so that itreads:

AllowOverride all

This will tell Apache to pick up the mod_rewrite rules from.htaccess.

Elgg is not installed in the root of your web directory (ex:http://example.org/elgg/ instead of http://example.org/)

The install script redirects me to 'action' when it should be 'actions'

This is a problem with your mod_rewrite setup.

Attention!

DO NOT, REPEAT, DO NOT change any directory names!

I installed in a subdirectory and my install action isn't working!

If you installed Elgg so that it is reached with an address likehttp://example.org/mysite/ rather than http://example.org/, there is asmall chance that the rewrite rules in .htaccess will not be processedcorrectly. This is usually due to using an alias with Apache. You mayneed to give mod_rewrite a pointer to where your Elgg installation is.

• Open up .htaccess in a text editor
• Where prompted, add a line likeRewriteBase /path/to/your/elgg/installation/ (Don't forget thetrailing slash)
• Save the file and refresh your browser.

Please note that the path you are using is the web path, minus thehost.

For example, if you reach your elgg install at http://example.org/elgg/,you would set the base like this:

RewriteBase /elgg/

Please note that installing in a subdirectory does not require usingRewriteBase. There are only some rare circumstances when it is neededdue to the set up of the server.

I did everything! mod_rewrite is working fine, but still the 404 error

Maybe there is a problem with the file .htaccess. Sometimes the elgginstall routine is unable to create one and unable to tell you that. Ifyou are on this point and tried everything that is written above:

• check if it is really the elgg-created .htaccess (not only a dummyprovided from the server provider)
• if it is not the elgg provided htaccess file, use the htaccess_dist(rename it to .htaccess)

I get an error message that the rewrite test failed after the requirements check page

I get the following messages after the requirements check step (step 2) of the install:

We think your server is running the Apache web server.

The rewrite test failed and the most likely cause is that AllowOverride is not set to All for Elgg's directory. This preventsApache from processing the .htaccess file which contains the rewrite rules.

A less likely cause is Apache is configured with an alias for your Elgg directory and you need to set the RewriteBase inyour .htaccess. There are further instructions in the .htaccess file in your Elgg directory.

After this error, everinteraction with the web interface results in a error 500 (Internal Server Error)

This is likely caused by not loading the 'filter module by un-commenting the

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#LoadModule filter_module modules/mod_filter.so

line in the 'httpd.conf' file.

the Apache 'error.log' file will contain an entry similar to:

... .htaccess: Invalid command 'AddOutputFilterByType', perhaps misspelled or defined by a module not included in the server configuration

There is a white page after I submit my database settings

Check that the Apache mysql module is installed and is being loaded.

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I'm getting a 404 error with a really long url

If you see a 404 error during the install or on the creation of thefirst user with a url like:http://example.com/homepages/26/d147515119/htdocs/elgg/action/registerthat means your site url is incorrect in your sites_entity table inyour database. This was set by you on the second page of the install.Elgg tries to guess the correct value but has difficulty with sharedhosting sites. Use phpMyAdmin to edit this value to the correct baseurl.

I am having trouble setting my data path

This is highly server specific so it is difficult to give specificadvice. If you have created a directory for uploading data, make sureyour http server can access it. The easiest (but least secure) way to dothis is give it permissions 777. It is better to give the web serverownership of the directory and limit the permissions.

Warning

Setting directory permissions to 777 allows the ENTIRE internet to placefiles in your directory structure an possibly infect you webserver with malware.Setting permissions to 750 should be more than enough.

The top cause of this issue is PHP configured to prevent access to mostdirectories using open_basedir. You may want to check with yourhosting provider on this.

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Make sure the path is correct and ends with a /. You can check the pathin your database in the config table.

If you only have ftp access to your server and created a directory butdo not know the path of it, you might be able to figure it out from thewww file path set in your config database table. Asking for help fromyour hosting help team is recommended at this stage.

I can't validate my admin account because I don't have an email server!

While it's true that normal accounts (aside from those created from theadmin panel) require their email address to be authenticated before theycan log in, the admin account does not.

Once you have registered your first account you will be able to log inusing the credentials you have provided!

I have tried all of these suggestions and I still cannot install Elgg

It is possible that during the process of debugging your install youhave broken something else. Try doing a clean install:

• drop your elgg database
• delete your data directory
• delete the Elgg source files
• start over

If that fails, seek the help of the Elgg community.Be sure to mention what version of Elgg you are installing, details ofyour server platform, and any error messages that you may have receivedincluding ones in the error log of your server.

These days social networking sites have become more powerful for interacting people to people. It has been estimated that more than 80% of students rely on such kind of social networking sites in their daily communication such as surfing online, social activities, discussion etc. In most of the university social networks are considered as a communication method among teachers and students. Social networks improves performance of the students. A wide range of educational institutions have started using open source network application “Elgg“.

Elgg is an open source social network web application that build all kind of social environment from business to education. Create and manage your own social networking site with this open source tool. It runs on LAMP (Linux, Apache, MySQL, PHP) platform. It offers file sharing, blogging, social networking and groups. It provided you with a personal web blog, online profile, RSS reader, file repository. In addition all user content can be tagged with keywords. This way you can connect to people with same interest and can create a personal learning network. However Elgg is different from other social network, each profile item, uploaded file etc, can be assign to its own restrictions. It is integrated with Drupal, Webct, Mediawiki and Moodle and it also supports most of the open standards along with RSS, LDAP for authentication and XML-RPC for integrating most of the third party web blogging clients. Its very easy to create and manage your own web blog with full customization.

Requirements of Elgg

1. Elgg runs on dedicated LAMP based server. Usually needs Apache, MySQL, PHP scripting language.
2. Apache mod_rewrite module Multibyte String support for internationalization.
3. GD for graphics processing.
4. JSON (included in PHP 5.2+).
5. XML

Elgg Features

Elgg is packed with bundle of features that you wish to have in your networking website. Here’s a full feature list:

1. Elgg allows you to integrate with other web based tools like wikis and blog.
2. It offers a large number of links between blog and community or users. That can be used to examine the actives and system of users once it finds exact start point.
3. Elgg helps you to manage user and fulfill their requirement.
4. It gives you a powerful data model which can make the creation simple and flexible.
5. With the help of granular activity stream API your plugins pushes the required content to all your users.
6. API plugin allows you to build and add required features like create video, edit, add title, tags descriptions of a video.
7. In Elgg you can find files repositories for communities as well as individual.

However it is highly recommended to increase PHP memory limit to 128MB or 256MB, and increase upload file size to 10MB. By default, these settings are already added in the .htaccess file in the Elgg directory.

This article shows a depth instructions on how to install and setup Elgg on RHEL, CentOS, Fedora, Scientific Linux and Ubuntu, Linux Mint and Debian systems.

Installing Elgg

To install Elgg, you must have Apache, MySQL and PHP installed on your system. If not, install them using the following command as shown below.

On RHEL/CentOS/Fedora/Scientific Linux

Turn on Apache “mod_rewrite” module. Open the following file.

Change “AllowOverride None” to “AllowOverride All“.

Finally, restart Apache and MySQL service.

On Debian/Ubuntu/Linux

Next Turn on the Apache “rewrite” module by running the following command.

Once you’ve Turn on “rewrite” module, now enable it for “.htaccess” processing. Open the following file with your choice of editor.

Change “AllowOverride None” to “AllowOverride All”

Finally, restart Apache and Mysql service.

Creating Elgg MySQL Database

Login to your MySQL server with root password.

Once you in MySQL shell, create “elgg” database as shown.

Create a “elgg” user for MySQL and set password.

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Grant “All” privileges on “elgg” database to “elgg” user and exit.

Downloading and Installing Elgg

Elgg 1.8.15 is the latest recommended version, download it using wget command and extract it.

Next, move “elgg” directory to your web server document root directory. For example, “/var/www/html/elgg” (For Red Hat distro’s) and “/var/www/elgg” (For Debian distro’s).

Go to “elgg” directory and then “engine” directory.

Copy “settings.example.php” to “settings.php“.

Open the settings.php file with your choice of editor.

Enter the dbuser, dbpass, dbname, dbhost and dbprefix parameters as shown below.

Elgg needs a different directory called “data” to keep uploaded photos and profile icons. So, you need to create this directory outside of your web document root directory for security reason.

Finally, Open the web browser and navigate to “http://localhost/elgg/install“. Follow the installation wizard instructions as shown below.

Elgg Requirements Check

Elgg Create Admin Account

Elgg Admin Control Panel

Reference Link

How To Install Elgg On Xampp For Mac Mac