# apt install apache2 mysql-server php7.0 php7.0-mysql libapache2-mod-php7.0 php7.0-xml php-gd # https://releases.wikimedia.org/mediawiki/1.26/mediawiki-1.26.3.tar.gz
# /usr/bin/php /var/www/html/mediawiki/maintenance/createAndPromote.php --force --conf=/var/www/html/mediawiki/LocalSettings_user1.php user1 'password1'
# wget https://extdist.wmflabs.org/dist/extensions/UserMerge-REL1_26-8a4faae.tar.gz # tar -xvzf UserMerge-REL1_26-8a4faae.tar.gz -C /var/www/html/mediawiki/extensions