[cakephp] not found the requested url (apache)

/etc/apache2/sites-available/default

<Directory />
    Options FollowSymLinks
    AllowOverride All
</Directory>
<Directory /var/www>
    Options Indexes FollowSymLinks MultiViews
    AllowOverride All
    Order Allow,Deny
    Allow from all
</Directory>

참고 :
http://book.cakephp.org/3.0/en/installation.html#url-rewriting

http://hangaebal.blogspot.kr/2015/06/cakephp-not-found-requested-url-apache.html