Magento Installation Permission Problem

Question

Ho provato a installare Magento CE versione 1.9.0.1. ma quando sto cercando di installare Magento dal browser.

Path "/var/www/html/magento/app/etc" must be writable.
Path "/var/www/html/magento/media" must be writable.
Path "/var/www/html/magento/media/downloadable" must be writable.
Path "/var/www/html/magento/media/xmlconnect" must be writable.
Path "/var/www/html/magento/media/xmlconnect/system" must be writable.
Path "/var/www/html/magento/media/xmlconnect/system/ok.gif" must be writable.
Path "/var/www/html/magento/media/xmlconnect/custom" must be writable.
Path "/var/www/html/magento/media/xmlconnect/custom/ok.gif" must be writable.
Path "/var/www/html/magento/media/xmlconnect/original" must be writable.
Path "/var/www/html/magento/media/xmlconnect/original/ok.gif" must be writable.
Path "/var/www/html/magento/media/dhl" must be writable.
Path "/var/www/html/magento/media/dhl/logo.jpg" must be writable.
Path "/var/www/html/magento/media/customer" must be writable.

sto usando Fedora il mio sistema di sistema operativo ed è stato autorizzato da 777 a /var/www/html

usando chmod 777 -R /var/www/html e mostra lo stesso problema.Qualcuno può aiutarmi ??