nginx with public_html

gistfile1.txt

server {
        listen                  80;

        server_name             _;
        server_name_in_redirect off;

        location ~ ^/~(.+?)(/.*)?$ {
                alias           /home/$1/public_html$2;
                autoindex       on;
        }

        location / {
                root            /var/www;
        }
}