EFI boot menu manipulation for macOS, like efibootmgr
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README.md

bootoption

bootoption screenshot

EFI boot menu manipulation for macOS. Like efibootmgr. Report bugs here on GitHub.

Installing

Install bootoption with Homebrew

brew tap vulgo/repo
brew install bootoption

Usage

bootoption <command> [options]

available commands:

  • list  show the firmware boot menu
  • info  show an option's properties
  • create  create a new EFI load option
  • order  re-arrange the boot order
  • set  set/modify variables in NVRAM
  • delete  delete variables from NVRAM
  • reboot  reboot to firmware settings

bootoption <command> without options will show the usage or options for that command, where available. Making changes to the boot menu requires sudo and working hardware NVRAM - emulated NVRAM for instance, will not work.

Create a new option and add it to the boot order

sudo bootoption create -l /Volumes/EFI/EFI/GRUB/GRUBX64.EFI -d "GNU GRUB"

Move an option from 4th to 1st in the boot order

sudo bootoption order 4 to 1

Disable an option

sudo bootoption set -n Boot0002 --active=0

Change the boot menu timeout to 10 seconds

sudo bootoption set -t 10

Set an option's command line argmuments

sudo bootoption set -n Boot0000 -a "initrd=/initramfs.img root=/dev/disk/by-uuid/346d9a61-f7e5-4f58-bad7-026bb5376e0f"

Reboot to firmware settings

sudo bootoption reboot

License

bootoption is free software: you are free to change and redistribute it. See the GNU GPL version 3 or later http://gnu.org/licenses/gpl.html