In this section, we will use the Vagrantfile that was used in part of the first section.
Something of a slur, "automatic updating" is a sticky subject for a lot of system administrators, because historically, it was frequently the case that updates would brick a system.
This is less and less likely these days, and there are ways you can automate updates on your boxes without worry (though I still wouldn't do this in production, personally).
We will also discuss programmatically rebuilding systems.