grubby and the transition from grub to grub2

Bruno Wolff III bruno at
Sun Oct 16 18:29:28 UTC 2011

On Sun, Oct 16, 2011 at 11:14:29 -0700,
  darrell pfeifer <darrellpf at> wrote:
> How does grubby decide which boot loader is running?

It appears to do both.

> I have a system upgraded from grub to grub2. I've yum erased grub and
> grub-efi. I also move/renamed /boot/grub elsewhere.
> Is that sufficient for grubby to update the next kernel install via grub2?

Yes. I have tested updating the kernel after having the grub package
replaced by grub2, but still using grub to boot and things worked.
grubby emitted some messages, but the system booted as expected.

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