I have followed the How-to on the lampp install. Everything works up til the point where I am supposed to make a "index.php" file in /home/USERNAME/public_html:

Object not found!

The requested URL was not found on this server. If you entered the URL manually please check your spelling and try again.

If you think this is a server error, please contact the webmaster.
Error 404

according to the How-to this is the time to ask for help in the forum so here I am

I assume that PHP is installed correctly and that this is a case of softlinking. So How do I softlink from /srv/www/htdocs to /home/USERNAME/public_html?