HowTo: Install MediaWiki on Ubuntu Server 18.04 LTS August 18, 2018
Apache2HowToLinuxMariaDBMediaWikiPHPUbuntuUbuntu 18.04 LTS
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References

Prerequisites

  • A working installation of Ubuntu Server
  • LAN access to Ubuntu Server

Install Apache2

  • sudo apt install apache2 -y
  • Disable directory listing 
    sudo sed -i "s/Options Indexes FollowSymLinks/Options FollowSymLinks/" /etc/apache2/apache2.conf
  • Set Apache2 service to start on boot 
    sudo systemctl stop apache2.service 


    sudo systemctl start apache2.service


    sudo systemctl enable apache2.service

Install MariaDB 10.3

  • Add repo 
    sudo apt-get install software-properties-common


    sudo apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8


    sudo add-apt-repository 'deb [arch=amd64,arm64] http://sfo1.mirrors.digitalocean.com/mariadb/repo/10.3/ubuntu bionic main'
  • Update to see new packages 
    sudo apt update
  • Install 
    sudo apt install mariadb-server mariadb-client -y

    Set root password for MariaDB

  • Set MariaDB service to start on boot 
    sudo systemctl stop mariadb.service


    sudo systemctl start mariadb.service


    sudo systemctl enable mariadb.service
  • Lock it down! (answer Y to all) 
    sudo mysql_secure_installation
  • Restart MariaDB service 
    sudo systemctl restart mariadb.service

Install PHP 7.1

  • Add repo 
    sudo add-apt-repository ppa:ondrej/php
  • Update to see new packages 
    sudo apt update
  • Install all the things! 
    sudo apt install php7.1 libapache2-mod-php7.1 php7.1-common php7.1-mbstring php7.1-xmlrpc php7.1-soap php7.1-gd php7.1-xml php7.1-intl php7.1-mysql php7.1-cli php7.1-curl
  • Open php.ini for editing 
    sudo nano /etc/php/7.1/apache2/php.ini
  • Make the following changes 

    file_uploads = On

    allow_url_fopen = On

    memory_limit = 256M

    upload_max_filesize = 100M

    max_execution_time = 360

    date.timezone = America/Pacific

Create the MediaWiki Database

  • Log on to the db server 
    sudo mysql -u root -p
  • Create db 
    CREATE DATABASE mediawiki;
  • Create db user 
    CREATE USER 'mediawikiuser'@'localhost' IDENTIFIED BY 'new_password_here';
  • Grant user full access 
    GRANT ALL ON mediawiki.* TO 'mediawikiuser'@'localhost' IDENTIFIED BY 'user_password_here' WITH GRANT OPTION;
  • Save and exit 
    FLUSH PRIVILEGES;
    EXIT;

Download MediaWiki 1.31.0

  • Download the tarball 
    cd /tmp && wget https://releases.wikimedia.org/mediawiki/1.31/mediawiki-1.31.0.tar.gz
  • Extract and move to www 
    sudo tar -zxvf mediawiki*.tar.gz


    sudo mkdir -p /var/www/html/mediawiki


    sudo mv mediawiki-1.31.0/* /var/www/html/mediawiki
  • Modify permissions 
    sudo chown -R www-data:www-data /var/www/html/mediawiki/


    sudo chmod -R 755 /var/www/html/mediawiki/

Configure Apache2

  • Create and edit conf file 
    sudo nano /etc/apache2/sites-available/mediawiki.conf
  • Add conf

Enable MediaWiki Site && Restart Apache2

  • sudo a2ensite mediawiki.conf 

    sudo a2enmod rewrite 

    sudo systemctl restart apache2.service

The Finish Line

  • You should now be able to visit the MediaWiki page by navigating to http://server.ip.address/mediawiki
  • From here, simply follow the GUI installation process. Once the installation process is complete, you will need to move the LocalSettings.php file created into the MediaWiki directory on the server (default: /var/www/html/mediawiki)