Magento Installation permission issue

Question

I have try to install magento CE Version 1.9.0.1.But when i am trying to install magento from browser.it show permission issue :

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.

I am using Fedora my Os System and was give permission 777 to /var/www/html

using chmod 777 -R /var/www/html and show same issue. Can anyone help me ??