Apache : Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included in the server configuration
De www.yakakliker.org
Solution 1
ln -s /etc/apache2/mods-available/rewrite.load /etc/apache2/mods-enabled/rewrite.load
systemctl restart apache2
Solution 2
sudo a2enmod rewrite && sudo service apache2 restart
