grub-pc versus grub-efi-amd64

[Volker Wysk]

Am Samstag, den 29.08.2020, 17:29 +0200 schrieb Volker Wysk:
> Hi!
> 
> I've completely reinstalled and set up my UEFI system anew, a few
> weeks
> ago. Now I'm wondering why the package grub-pc and not grub-efi-amd64
> is installed. I have two GPTs (SSD and HDD) and a partition which is
> larger than 2 GB on the HDD, and it works.

Sorry, that's 2 TB, not 2 GB. And I've installed Ubuntu 20.04.

> On the page [1] there it's written about the GRUB customizer program:
> 
> "Dieser Artikel basiert auf dem Paket grub-pc für ältere BIOS-Rechner
> bzw. Installationen im BIOS-Modus. Auf modernen EFI-Systemen wird
> dagegen das Paket grub-efi-amd64 eingesetzt. Während das bei
> einfachen
> Aufgaben keine Rolle spielt, kann ein Neuschreiben des MBR (BIOS-
> Modus) 
> ein EFI-System schwer beschädigen!"
> 
> I couldn't find an English version. Here's my translation:
> 
> "This article is based on the package grub-pc for elder BIOS-
> computers
> or rather installation in BIOS mode. On modern EFI systems however
> the
> package grub-evi-amd64 is used. Whereas this doesn't play a role for
> simple tasks, a new-writing of the MBR (BIOS mode) can damage an EFI-
> system severely."
> 
> Why is grub-pc installed on my system, and not grub-efi-amd64? Why
> does
> it work at all..??
> 
> What happends when I run Grub Installer? Will that nuke my new
> system?
> What happends when I install grub-efi-amd64?

... which replaces grub-pc.

> > 
> Bye,
> Volker
> 
> [1] https://wiki.ubuntuusers.de/GRUB_Customizer/
> 

Regards,
Volker
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