Re: tried to install F30 and F31 on 2 separate Partition on 1 external disk

[Steven Usdansky]

I've got Rawhide, F31, F30, a couple of F29 installs, Manjaro and Ubuntu 19.10 on my external HD (UEFI system). The "trick" is to mount the same efi partition at /boot/efi for all of the installations. All Fedoras share the same /boot/efi/EFI/fedora directory, whereas Manjaro and Ubuntu each get their own directory under /boot/efi/EFI.