Ativar o mod_rewrite no Apache.
sudo a2enmod rewrite
ls /etc/apache2/mods-enabled
Verificar se o rewrite está lá.
sudo nano /etc/apache2/apache2.conf
Alterar de :
<Directory /var/www/>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>
Para:
<Directory /var/www/>
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
</Directory>
sudo service apache2 restart