Re: How to turn grub2-install from sad to happy.

[Samuel Sieb]

On 3/19/24 17:29, Tom Horsley wrote:
> On Tue, 19 Mar 2024 19:05:51 -0400
> Sam Varshavchik wrote:
> > [root@jack ~]# grub2-install /dev/sda
>
> That is the way you install grub for old MSDOS partitions.
>
> To install grub with GPT and use EFI, it needs different
> arguments. Something like:
>
> grub2-install --target x86_64-efi --removable --boot-directory=/mnt/boot --efi-directory=/mnt
>
> Though that's from my notes for making a bootable USB stick, so probably
> not all of those are needed for a hard disk. Read about the options in
> the grub2 info docs.

That's only if you're making some sort of bootable media.  The installed 
system does not use grub2-install at all.  See the other thread for details.