Apache Invalid command ‘RewriteEngine’, perhaps misspelled

Recibimos el error

Invalid command 'RewriteEngine', perhaps mis-spelled or defined by a module not included in the server configuration


Solucion 

Activar modulo de apache de Rewrite
sudo a2enmod rewrite


Noticias de informática:

Crónica del ataque a los servidores de la fundación Apache
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Error Apache en Plesk MaxRequestWorkers setting