The problem here is that you ask a one fit all solution for a problem that may be the result of several things
First it will depends if we are talking about an hatchling or an adult, cb or wild caught, what is perceived as aggressive behavior is in the majority of cases just a defensive behavior often due to stress.
What is important is to
Provide optimal husbandry in which the animal will feel secure.
Feed the animal an appropriate size food once a week.
and avoid new owner mistakes such as handling too often, bathing the animal etc.
