IT/Software/Mediawiki/How to Install MediaWiki

Prerequisites

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• Ubuntu Server 18.04.3 LTS
• In my install I have all additions enabled.
• Apache2 Installed.
• Installing and setting up MariaDB for MediaWiki is also covered on this page.

Install MariaDB

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1. sudo apt-get install mariadb-server mariadb-client
2. sudo mysql_secure_installation
3. Restart MariaDB
   • sudo systemctl restart mariadb.service

Create MediaWiki Database

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1. sudo mysql -u root -p
2. Then create a database called mediawiki
   • CREATE DATABASE mediawiki;
3. Create a database user called mediawikiuser with new password
   • CREATE USER 'mediawikiuser'@'localhost' IDENTIFIED BY 'new_password_here';
4. Then grant the user full access to the database.
   • GRANT ALL ON mediawiki.* TO 'mediawikiuser'@'localhost' IDENTIFIED BY 'user_password_here' WITH GRANT OPTION;
5. Save and Exit
   • FLUSH PRIVILEGES;
   • EXIT;

Install PHP Modules

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• sudo apt install php7.2 php7.2-mbstring php7.2-xml php7.2-mysql php7.2-gd php7.2-intl

Download and Extract MediaWiki

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1. Navigate to webroot.
   • cd /var/www/html
2. Remove default index.html
   • rm index.html
3. Download and extract Mediawiki tarball latest stable version 1.34.0 at time of writing.
   • wget https://releases.wikimedia.org/mediawiki/1.34/mediawiki-1.34.0.tar.gz
4. Extract MediaWiki tarball
   • tar -xvf mediawiki-1.34.0.tar.gz
5. Rename extracted folder to mediawiki
   • mv mediawiki-1.34.0 mediawiki
6. Remove tarball
   • rm mediawiki-1.34.0.tar.gz

Web installation

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• After you get to the "Connect to database" page input the following information

1. Database Host:localhost
2. Database Name:mediawiki
3. Database table prefix can be left blank.
4. Database Username:mediawikiuser
5. Database Password:user_password_here
6. Finsh the web instalation and then your wiki is all ready to be used. YAY!