Source UEFI SHELL

• https://wiki.archlinux.org/index.php/Unified_Extensible_Firmware_Interface#Obtaining_UEFI_Shell
• https://github.com/tianocore/edk2/blob/master/ShellBinPkg/UefiShell/X64/Shell.efi

cd /boot/efi/EFI/tools
wget https://github.com/tianocore/edk2/raw/master/ShellBinPkg/UefiShell/X64/Shell.efi

Aide

help -b

Lancer shim.efi

fs0:
cd EFI
cd redhat
ls
shim.efi

Show your UEFI boot list

bcfg boot dump -v 

Autre menu intéressant (Sur Virtual Box)

exit

Afficher tous les lecteurs

map

Autres

Shell> bcfg boot rm 3

To move the boot option #3 to #0 (i.e. 1st or the default entry in the UEFI Boot menu):

Shell> bcfg boot mv 3 0

For bcfg help text:

Shell> help bcfg -v -b
Shell> bcfg -? -v -b

Shell> bcfg boot add N FS0:\vmlinuz-linux "Arch Linux"

Source : VirtualBox boots only in UEFI Interactive shell

fs0:
edit startup.nsh

Le fichier sera crée à : /boot/efi/startup.nsh and on the opened window add these 2 lines:

FS0:
cd \EFI\ubuntu\
grubx64.efi

Notes BIOS UEFI EFI - Boot démarrage par défaut

reset