A short list of commands you can put at bootup...

If you have red Mini-Pentoo modules addition, go ahead and create your own modules for mpentoo.

Customize mpentoo by setting up your usb key for modules support.

Learn how to install pentoo and get the script that will do most of the job for you.

Having some USB stick woes?
No problem, this guide is here to help you out.
Learn how to store the /etc, /root and more to allow settings saving and more on your usb pen drive.

A quick howto for setting up usb booting with mpentoo