Thank you, I found that only the tmp directory must be writable then I used this one: also by right clicking and using wwwrun for user I tried to set them as you told
chmod -R 0777 /srv/www/htdocs/first_app/app/tmp/ and the I get fatal Error: <http://cakephp.org/changelogs/1.3.6> Fatal error: Class 'Debugger' not found in /srv/www/htdocs/first_app/cake/libs/view/pages/home.ctp on line 26
