On May 31, 2015 1:53 PM, "Adrian Sevcenco" <Adrian.Sevcenco@cern.ch> wrote:
>
> On 05/31/2015 10:27 PM, Pete Travis wrote:
> > On 05/31/2015 01:27 AM, Adrian Sevcenco wrote:
> >>
> >> One more clarification i would like:
> >> what is the difference between the loaders?:
> >> gcdx64.efi
> >> grubx64.efi
> >> MokManager.efi
> >> shim.efi
> >> shim-fedora.efi
> >>
> >> the shim part i know that is for secure boot (which is disabled in my case).
> >> what are the others? is there a wiki page explaining this files?
> >>
> >> Thank you!
> >> Adrian
> >>
> >>
> >>
> >
> > There might be wiki pages that explain all this, but wiki pages can be
> > hard to find and often get lost and unmaintained, so I wrote a guide
> > instead.  It doesn't explain the individual files at the moment
> > (although there is some copy in the sources for it) because it's
> > information that you don't really need to get the system going, and I
> > didn't want to overwhelm new users. I'll look at adding the info in an
> > appropriate section.
> >
> > Until then, grubx64.efi is the actual grub second stage binary,
> > MokManager.efi is for signature management, shim is the part that is
> > signed and allows SecureBoot to work.
> Thanks a lot for help and info!
> One more thing i would like to clarify (as i am new to EFI stuff):
> is it possible to have a boot media with live isos (like an usb stick) for both
> EFI and non-EFI systems? (i was wondering if just adding the /boot/efi part from
> a system with a corresponding grub.conf would be enough to being bootable by both
> legacy and UEFI only systems)
>
> Thank you!
> Adrian
>

Yes, the Fedora install media is designed to work with both UEFI and not (as you discovered :)

Installing the grub2-efi and shim packages will populate /boot/efi/ for Fedora.  I think the part we might have brushed over was setting up the existing EFI System Partition in fstab and the chroot...

--Pete