[Bug 1220066] New: grub2-install suggestion doesn't distinguish between BIOS and UEFI installs

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1220066

            Bug ID: 1220066
           Summary: grub2-install suggestion doesn't distinguish between
                    BIOS and UEFI installs
           Product: Fedora Documentation
           Version: devel
         Component: system-administrator's-guide
          Assignee: swadeley at redhat.com
          Reporter: bugzilla at colorremedies.com
        QA Contact: docs-qa at lists.fedoraproject.org
                CC: swadeley at redhat.com



ttps://docs.fedoraproject.org/en-US/Fedora/21/html/System_Administrators_Guide/sec-Reinstalling_GRUB_2.html#sec-Using_the_grub2-install_Command

Section 20.4 and 20.4.1 apply only to BIOS computers, not UEFI. On UEFI:
1. grub2-install fails
https://bugzilla.redhat.com/show_bug.cgi?id=1101352
2. If grub2-efi-modules is installed, grub2-install succeeds but then:
2a. This will break UEFI Secure Boot systems because the core.img/grubx64.efi
binary that gets created isn't signed and therefore UEFI Secure Boot will
reject it.
2b. On UEFI systems without Secure Boot, GRUB behavior is different in a number
of ways including that it will no longer look to /boot/efi/EFI/fedora/grub.cfg
but rather to /boot/grub2/grub.cfg.

Two ways to fix the documentation:
a.) A side bar that says this section doesn't apply to systems with UEFI
firmware (maybe a link to where we give them a hint "how to find out what kind
of firmware you have"), and/or that this section is effectively done by 20.4.2
step 3.
b.) Reorganize 20.4 into discreet BIOS and UEFI sections.

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