helpers to create mbr/uefi keys see:
- ./dokey.sh
- ./makengkey.sh
key layout
-
gparted -> gpt partition, 1 partition fat32, flags boot+esp
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gdisk -> hybrid MBR
gdisk /dev/mydisk Command (? for help): r Recovery/transformation command (? for help): h Type from one to three GPT partition numbers, separated by spaces, to be added to the hybrid MBR, in sequence: 1 Place EFI GPT (0xEE) partition first in MBR (good for GRUB)? (Y/N): y Set the bootable flag? (Y/N): y Recovery/transformation command (? for help): w Do you want to proceed? (Y/N): y
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install key
docker-compose build docker-compose run --rm app mount /dev/sda1 usbmount ./makengkey.sh /app/usbmount umount usbmount
refs: