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efibootmgr

Manipulate the UEFI Boot Manager. More information: https://manned.org/efibootmgr.

  • List the current settings / bootnums:

efibootmgr

  • List the filepaths:

efibootmgr -v

  • Add UEFI Shell v2 as a boot option:

sudo efibootmgr -c -d {{/dev/sda1}} -l {{\EFI\tools\Shell.efi}} -L "{{UEFI Shell}}"

  • Change the current boot order:

sudo efibootmgr -o {{0002,0008,0001,0005}}

  • Delete a boot option:

sudo efibootmgr -b {{0008}} --delete-bootnum