One of the most frustrating things to do is shuffle various USB drives trying to remember which one you were using last (for persistent OS boots), or which one has the working version of “X” operating system/which installer. This article covers how to take an external USB drive (whether a large thumb drive or an actual external hard drive) and turn it into a whizbang multi-OS booting device.
I maintain a modified version of Kali I use as the basis for my testing which includes a variety of extra tools, preference, references, etc. If you want a copy yourself, you can find one here:
I’ve started tracking individual CTF and other tools that I typically add to distributions to my standard GitHub. If you want/need to pull any of these they are located here: