[TUTORIAL] - Install OpenBSD 7.3 on Proxmox (BIOS/UEFI and Cloud-init)

We're taking a little break in our series "GPU/PCI Passthrough on Proxmox", I must say that the fourth article on OpenBSD gave me a hard time. So I thought it was an opportunity to take stock of the different methods of installing OpenBSD on our favorite hypervisor. We will consider different...