We work a lot with VMWare ESXi to build mobile pentest dropboxes for our Light Pentest service. To keep those systems as updated and secure as possible, we always update the VMWare ESXi software to the latest/greatest build whenever we get a sensor back from the field. Here’s a quick video showing you how to get that done in just a few commands:

We have also covered pentest dropbox building pretty extensively on our podcast.