tl;dr I have uploaded a mod for Proxmox+multibootusb to make Proxmox handle ISO install images.

This article is a brief look at my troubles with getting the Proxmox installer to work with MultiBootUSB, and, a solution that I cooked up to resolve it.

The conventional process of using the Proxmox VE installer ISO is to either burn it to an optical disk (guaranteed to work), or, use a tool like dd in linux to write the ISO image directly to a USB disk, and, hope it works.

I like using USB disks because they are compact, and, have faster reads, which means a faster installation. But, I don’t like the idea of using an entire drive dedicated to just the installer.

So, in comes MultiBootUSB. I use it because it is designed to help with this specific problem, except… nothing is easy.

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