Install Mediawiki
- download release:
wget https://releases.wikimedia.org/mediawiki/1.28/mediawiki-1.28.2.tar.gz
- unpack to /var/www/mediawiki:
tar -xf mediawiki-1.28.2.tar.gz
mv mediawiki-1.28.2 /var/www/mediawiki
chown -R www-data:www-data /var/www/mediawiki
- follow setup instructions