Flash drive installs using Linux Category
Boot ISO Files directly from USB using Grub2 from Linux. Here is one way to create a Multiboot USB Flash Drive from a running Ubuntu (I used the Live CD). You may eventually need a large Flash Drive or USB Hard Drive in order to include every bootable ISO entry. I will add more Bootable ISO files to the grub.cfg file as I find time to test them. Contact me to submit working Bootable Linux ISO grub.cfg entries for inclusion.
How to Install and Use UNetbootin from Linux: UNetbootin is a Live USB creation tool that can be used to create a Live Linux USB flash drive. One nice feature of UNetbootin is that the tool is offered for Windows and Linux. In the following, I will cover how to quickly get UNetbootin up and running within an Ubuntu Linux Operating Environment.
How to Create a MultiBoot USB Flash Drive from Linux: Multisystem is an awesome tool created by LiveUSB.info, that works similar to our Windows based MultiBootISOs USB creator, but was created for use within Linux. It also uses Grub2 instead of Grub Legacy, and can be run from within Ubuntu Linux to create a Custom Multiboot UFD containing your favorite Bootable Live Linux Distributions.
The following tutorial will show you one way to create a casper-rw partition on your USB flash drive. The benefit of using a casper-rw partition as opposed to a casper-rw block file is that you can expand your persistent storage beyond 4GB. This is very useful if you have a flash drive that is 8GB or larger and you want to use all of it's remaining space for persistent storage. The drawback is that Windows will not see the secondary casper-rw partition (in Windows, your drive will appear to be smaller than it is).