apache2 rewrite and header mod is loaded
section of writebasein .htaccess is:

#AddHandler php53-cgi .php

# Enable rewrite engine and route requests to framework
RewriteEngine On
RewriteBase /selfoss

i installed selfoss on /srv/www/htdocs/selfoss
also sqlite3 isinstalled on my pc
and addthis line in httpd.conf
AddHandler default-handler .jpg .png .css .js
also change following value in /etc/php5/apache2/php.ini from 30 to 120
max_execution_time = 30