How do I debug problems in my startup scripts?

Every runlevel change is performed by /etc/rc.d/rc script. It changes to the runlevel directory (/etc/rc.d/rc*.d/) where the Start and Stop Scripts are located (or linked). First it run the stop scripts in numeric order if necessary <<*>> and then run the start scripts in numerical order.

To log every step taken to run the scripts add the following ...