Re: grub2-install fails

[Gordon Messmer]

On 08/29/2015 12:51 PM, Paul Cartwright wrote:
> > Not according to the documentation, which indicates that:
> > > "grub2-install shouldn't be used on EFI systems. The grub2-efi package
> > > installs a prebaked grubx64.efi on the EFI System partition, which
> > > looks for grub.cfg on the ESP in/EFI/fedora/  whereas the
> > > grub2-install command creates a custom grubx64.efi, deletes the
> > > original installed one, and looks for grub.cfg in /boot/grub2/."
> > >
> > > https://fedoraproject.org/wiki/GRUB_2
>
> so grub2-efi installs it, but how do you modify/maintain it??

You don't.  If you modify the grub2 binary, the signature is invalid and 
the system won't boot (under Secure Boot).  There is almost certainly no 
reason you need to modify/maintain the grubx64.efi binary.