efibootmgr help

[Tom H]

On Fri, Aug 28, 2015 at 9:37 PM, Paul Cartwright <pbcartwright at gmail.com> wrote:
>
> http://www.instructables.com/id/Dual-Boot-Ubuntu-and-Windows-8-UEFI/step4/Deactivating-Fast-Startup-and-Secureboot/
>
> Then it is necessary to deactivate the Secureboot. This tool was
> implemented in Windows 8 with the new UEFI Bios, as a safety mechanism
> to prevent malicious software from booting in your PC, as well as “non
> authorized” operating systems.
>
> Therefore, this tool will block any operating system from starting,
> besides Windows 8. So it must be deactivated.

That URL's inaccurate.

Fedora (and Ubuntu) have an MS-signed shim that interfaces between the
EFi firmware's SB and grub.