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boot tools

list drives

UEFI

efibootmgr

This is a command line utility that allows handling of the UEFI boot menu.

Installation:

Display Current Setting

Simply efibootmgr or sudo efibootmgr, use the -v flag for a more verbose output

Change Boot Order

Take the displayed BootOrder and and append and adjust to the following command to adjust: sudo efibootmgr -o
Current: BootOrder: 0003,000A,0002,000B,0001,0006,0007,0008,0009,0000
Adjusted: sudo efibootmgr -o 0002,000B,0003,000A,0001,0006,0007,0008,0009,0000

Add UEFI Boot Entry

Install command grub-efi: sudo apt install grub-efi
Mount the the EFI System Partition: sudo mount /dev/sdd1 /boot/efi
Install Grub boot loader: sudo grub-install /dev/sdd –target=x86_64-efi –efi-directory=boot/efi/

Change boot selection time

sudo efibootmgr -t 10 to set boot selection time to 10 seconds

Delete a boot entry

sudo efibootmgr --delete-bootnum --bootnum 0

GRUB

Ventoy

What is ventoy
Ventoy is an open source tool to create bootable USB drive for ISO/WIM/IMG/VHD(x)/EFI files.

This can be loaded on to a USB disk instead of a flash drive for a potential better overall experience.

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