The CDROM image was a firmware upgrade image from Dell (based on Linux). Mounting the image with iDRAC, it worked nicely. As one of the Servers had a dying iDRAC (Dell R320), I needed an USB stick.

I'd been burning way too much time trying various ways of making a USB stick bootable, and couldn't get any of them to work, but when I tried UNetbootin it worked great the first time.

Now that Windows 11 is out, you might be internally debating whether to make the leap now, wait a bit for it to mature, or stick with Windows 10 (or whatever OS you are currently using) for the long ...

Your junk drawer USB stick is hiding three superpowers you've never used ...