curl -o /etc/graylog/server/mm.tar.gz 'https://download.maxmind.com/app/geoip_download?edition_id=GeoLite2-City&license_key=<YOURLICENSKEYGOESHERE>&suffix=tar.gz'
tar zxvf /etc/graylog/server/mm.tar.gz -C /etc/graylog/server/ --strip-components=1