Searching for Swiss USB Swiss Army Knife

Hallo all,
In the next few days, I have a rather unusual penetration test—a completely air-gapped environment without internet access, where I can only work using Ubuntu.
I'm allowed to bring along a few USB sticks, with one of them already prepared with a Kali live boot. For instance, I've also loaded nmap onto another USB stick and thrown in a handful of bash scripts that I've come up with.
Anyway, I thought I'd ask here on Reddit which tools …

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