Re: install Kernel and GRUB in chroot.

[Max Nikulin <manikulin@gmail.com>]

On 01/02/2024 22:54, Marco Moock wrote:
> Am 01.02.2024 schrieb Dmitry:
>
> Use gdisk for that.
> You can create an EFI partition there.
> Choose Type EFI (EF00), 100MB.
> Format it with FAT32.

550MiB is recommended in "Preparing your ESP"
http://www.rodsbooks.com/linux-uefi/#installing
see also
https://www.rodsbooks.com/gdisk/advice.html#esp_sizing
https://fedoraproject.org/wiki/Changes/BiggerESP

> > 2. Need to configure GRUB to select appropriate kernel and ramdisk.
>
> Do you need a special configuration here or is the default just fine?

EFI/debian/grub.cfg on the EFI System Partition contains filesystem UUID 
where grub files reside.

After installing grub check that NVRAM has an appropriate entry

    efibootmgr -v

> > How GRUB would understand where to be install and where is the kernel?

It loads files from filesystem on the specified partition. Unlike for 
BIOS device blocks are not involved.