In drupal.org, it is suggested to create a script for cron:
#!/bin/sh # $Id: cron-lynx.sh,v 1.3 2006/08/22 07:38:24 dries Exp $
/usr/bin/lynx -source http://example.com/cron.php > /dev/null 2>&1
I'm not sure if this comes by default in the "scripts" directory of the drupal root.