BitNami MediaWiki

    MediaWiki is a wiki package originally written for Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis. MediaWiki was designed to be run on a large server farm for a website that gets millions of hits per day.

    Please, take a look to the Quick Start Guide to know the basic use of this Stack.

    How to start/stop the servers?

    Graphical tool

    The Stacks include a graphical tool to manage the servers easily. You can find the "manager-windows.exe", "manager-osx" or "manager-linux" tool in your installation directory. Using this tool, you can Start, Stop or Restart the servers and check the log files. You can click on the icon to start it.

    manager-servers.png

     

    manager-osx.png

     

     

     

     

     

     

     

     

     


    win_platform.png

    On Windows: You can also start the Manager tool from shortcuts: Start -> Program Files -> BitNami Stack -> Manager tool

    Command line tool

    If you prefer, you can use the "ctlscript.sh" utility from the command line. This script is in the installation directory.

    linux_platform.png

    On Virtual Machines and Cloud images:

    $ sudo /opt/bitnami/ctlscript.sh start

    A native installer on Linux:

    $ cd ~/application-version
    $ ./ctlscript.sh start
    

    mac_platform.png

     

    On OS X: You can start the Manager tool from the installation directory or you can use the "ctlscript.sh" utility from a Terminal.

    host:~ user$ cd /Applications/application-version
    host:~ user$ ./ctlscript.sh start

    How to change the default URL?

    This approach describes how to configure your application to run in the root URL directly. The details are described below.

    Native Installer

    If you want to change the default URL from http://your_domain/mediawiki to http://your_domain, you should add a "DocumentRoot" entry in your application conf file. Edit the /installdir/apps/mediawiki/conf/httpd-prefix.conf file to add this line and commenting the "Alias" entries. Modify the

    httpd_prefix.conf file content:

    DocumentRoot "/installdir/apps/mediawiki/htdocs"
    # Alias /mediawiki/ "/installdir/apps/mediawiki/htdocs/"
    # Alias /mediawiki "/installdir/apps/mediawiki/htdocs"
    
    (...)
    

    Some applications also require changes in their configuration files or in the database.

    Virtual Machine

    If you want to change the default URL from http://your_domain/mediawiki to http://your_domain, you should add a "DocumentRoot" entry in your application conf file. Edit the /opt/bitnami/apps/mediawiki/conf/httpd-prefix.conf file (mediawiki.conf in previous versions) to add this line and commenting the "Alias" entries. You can use the "nano" editor:

    $ sudo nano /opt/bitnami/apps/mediawiki/conf/httpd-prefix.conf
    

    httpd-prefix.conf file content:

    DocumentRoot "/opt/bitnami/apps/mediawiki/htdocs"
    # Alias /mediawiki/ "/opt/bitnami/apps/mediawiki/htdocs/"
    # Alias /mediawiki "/opt/bitnami/apps/mediawiki/htdocs"
    
    (...)
    

    Some applications also require changes in their configuration files or in the database.

    Cloud Image/BitNami Hosting

    If you want to change the default URL from http://your_domain/mediawiki to http://your_domain, you should add a "DocumentRoot" entry in your application conf file. Edit the /opt/bitnami/apps/mediawiki/conf/httpd-prefix.conf file (mediawiki.conf in previous versions) to add this line and commenting the "Alias" entries. You can use the "nano" command line editor or you can also edit this file from your favorite FTP program.

    $ sudo nano /opt/bitnami/apps/mediawiki/conf/httpd-prefix.conf
    

    httpd-prefix.conf file content:

    DocumentRoot "/opt/bitnami/apps/mediawiki/htdocs"
    # Alias /mediawiki/ "/opt/bitnami/apps/mediawiki/htdocs/"
    # Alias /mediawiki "/opt/bitnami/apps/mediawiki/htdocs"
    
    (...)
    

    Some applications also require changes in their configuration files or in the database.

    Tabs end

     

    In the MediaWiki case it is also necessary to update the "LocalSettings.php" file. Replace the following to move your application to the root URL.

    $wgScriptPath       = "/mediawiki";
    

    with

    $wgScriptPath       = "";
    

     

    Moreover, you need to modify the httpd-app.conf file, in YOUR_INSTALLATION_DIRECTORY/apps/mediawiki/httpd-app.conf, and replace these two lines

     

    RewriteBase /mediawiki/
    ...
    RewriteRule . /mediawiki/index.php [L]
    

     

    with

    # RewriteBase /mediawiki/
    ...
    RewriteRule . index.php [L]
    

    How to create a full backup of MediaWiki?

    Because BitNami stacks are self-contained, the simplest option for performing your backups is to copy or compress the BitNami Stack installation directory. To do so in a safe manner, you will need to stop all servers, so this method may not be appropriate if you have people accessing the application continously.

    linux_platform.pngOn Virtual Machines and Cloud Images:

    sudo /opt/bitnami/ctlscript.sh stop

    mac_platform.png

    On OS X:

    $ cd installdir
    $ ./ctlscript.sh stop
    $ cp -r installdir application-backup
    

    Or you can create a tarball:

    $ tar -czvf application-backup.tar.gz installdir
    

    Or a zip file:

    $ zip -r application-backup.zip installdir/*

    To restore this backup you only need to uncompress the backup in the same location. It is important to use the same path that was used when the stack was originally installed.

    For example if you have a backup in a Red Hat machine, you can copy it to an Ubuntu Linux machine (a different distro!) in the same location. Then start the servers and that’s all.

    On Virtual Machines and Cloud Images:

    $ sudo /opt/bitnami/ctlscript.sh start

    On OS X:

    $ cd installdir
    $ ./ctlscript.sh start
    

    You just need to be carefull to keep the same permissions for the files and folders. If you installed as root make sure that in the new machine you copy the files also as root. And this case, if you are also moving MySQL or PostgreSQL, you will need to create those users in the new machine (if they don't exist yet).

    win_platform.png On Windows you should follow the same process. Stop the servers using the shortcuts and copy the whole installation directory. To restore the system, copy the directory to a different Windows machine in the same location and follow these steps from a command prompt:

    $ cd installdir
    $ serviceinstall.bat INSTALL
    

    You can access your BitNami Application at the usual URL.

    If you want to create only a database backup, check the following link for MySQL /Components/MySQL#How_to_create_a_database_backup or for PostgreSQL /Components/PostgreSQL#How_to_create_a_database_backup.3f

    How to configure the email settings of MediaWiki?

    It is necessary to install two PEAR packages: Mail and Net_SMTP. Go to the BitNami Console and run the following command. If you are using the Virtual appliance or the AMI you should specify the "sudo" command before:

    $ pear install mail
    $ pear install net_smtp
    

    Then add the following code at the bottom of the installdir/apps/mediawiki/htdocs/LocalSettings.php file according to your SMTP server settings. In this example we are configuring it using a GMail account.

    $wgSMTP = array(
            'host' => 'ssl://smtp.gmail.com',
            'IDHost' => 'gmail.com',
            'port' => 465,
            'username' => 'your_account@gmail.com',
            'password' => 'your_password',
            'auth' => true
    );
    

    Restart the servers and that's all.

    How to enable SSL?

    You can see how to configure Apache to enable SSL connections at How to enable SSL to access through https?

    How to debug MediaWiki errors?

    Once Apache starts, it will create two log files, the access_log and the error_log /installdir/apache2/logs directory or in /var/log/httpd if you are using Amazon Linux or Red Hat Enterprise cloud images.

    In Virtual Machines, Cloud Images and Ubuntu based Bitnami Cloud Hosting images installdir is /opt/bitnami.

    The access_log file is used to track client requests. When a client requests a document from the server, Apache records several parameters associated with the request in this file, such as: the IP address of the client, the document requested, the HTTP status code, and the current time.

    The error_log file is used to record important events. This file includes error messages, startup messages, and any other significant events in the life cycle of the server. This is the first place to look when you run into a problem when using Apache.

    If no error is found, you will see a message similar to:

    Syntax OK
    /installdir/ctlscript.sh : httpd started
    

    The main MySQL log file is created at /installdir/mysql/data/mysqld.log file.

    How to increase the allowed size of the uploaded files?

    You can modify the following option in the php.ini file to increase the allowed size for uploads:

    ; Maximum size of POST data that PHP will accept.
    post_max_size = 16M
    
    ...
    
    ; Maximum allowed size for uploaded files.
    upload_max_filesize = 16M
    

    How to change the MediaWiki URLs to pretty URL?

    Pretty links have been included by default in Bitnami MediaWiki for Unix systems since version 1.22.2-1. It is not possible to include them in in Windows systems, due to the colon (:) in the Special pages URL.

    https://issues.apache.org/bugzilla/show_bug.cgi?id=41441

    The following steps can be done to convert MediaWiki URLs to pretty URLs

    Add the following lines to the /installation_directory/apps/mediawiki/conf/httpd-app.conf file, inside the Directory directive

    <Directory "/installation_directory/apps/mediawiki/htdocs">
    ....
    RewriteEngine On
    RewriteBase /mediawiki/
    RewriteRule ^index\.php$ - [S=1]
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule . /mediawiki/index.php [L]
    ...
    </Directory>
    

    Add the following lines at the end of the /installation_directory/apps/mediawiki/htdocs/LocalSettings.php

    $wgArticlePath = "/mediawiki/$1";
    $wgUsePathInfo = true;
    

     

    After that, restart the server and all the links will be pretty links.

    How to install ParserFunctions extension on MediaWiki?

    If you want to install the ParserFunctions extension on MediaWiki, please follow this steps:
    • Go to the MediaWiki extensions folder:
    cd /opt/bitnami/apps/mediawiki/htdocs/extensions
    • Create the ParserFunctions directory:
    mkdir ParserFunctions
    • Go to the new directory:
    cd ParserFunctions
    wget -O parserfunctions.zip https://git.wikimedia.org/zip/?r=mediawiki/extensions/ParserFunctions&h=refs/heads/master&format=gz && unzip parserfunctions.zip
    • Edit  /opt/bitnami/apps/mediawiki/htdocs/LocalSettings.php and add this code at the end of the file
    require_once( "$IP/extensions/ParserFunctions/ParserFunctions.php" );
    • If you want to use the integrated string funciont functionality, add just after that line:
    $wgPFEnableStringFunctions = true;
    • Restart the Apache server
    /opt/bitnami/ctlscript.sh restart apache
    
     

    How to install VisualEditor extension on MediaWiki?

    If you want to install the VisualEditor extension on MediaWiki, please follow this steps:
    • Go to the MediaWiki extensions folder:
    cd /opt/bitnami/apps/mediawiki/htdocs/extensions
    • Create the VisualEditor directory:
    mkdir VisualEditor
    • Go to the new directory:
    cd VisualEditor
    wget -O visualeditor.zip https://git.wikimedia.org/zip/?r=mediawiki/extensions/VisualEditor&h=refs/heads/master&format=gz && unzip visualeditor.zip
    • Edit  /opt/bitnami/apps/mediawiki/htdocs/LocalSettings.php and add this code at the end of the file:
    require_once("$IP/extensions/VisualEditor/VisualEditor.php");
    
    // OPTIONAL: Enable VisualEditor in other namespaces
    // By default, VE is only enabled in NS_MAIN
    //$wgVisualEditorNamespaces[] = NS_PROJECT;
    
    // Enable by default for everybody
    $wgDefaultUserOptions['visualeditor-enable'] = 1;
    
    // Don't allow users to disable it
    $wgHiddenPrefs[] = 'visualeditor-enable';
    
    // OPTIONAL: Enable VisualEditor's experimental code features
    //$wgVisualEditorEnableExperimentalCode = true;
    • Restart the Apache server:
    /opt/bitnami/ctlscript.sh restart apache
    

     

    Note that you will be able to use VisualEditor to create new Wiki Pages, but not for edit them.  If you want to use VisualEditor to edit them, you will need to follow the official Parsoid installation guide: http://www.mediawiki.org/wiki/Extension:VisualEditor#Setup_a_Parsoid_service

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