Boot

GRUB

• grub.efi.cfg

insmod part_gpt

insmod lvm
insmod mdraid1x

insmod ext2
insmod fat

insmod search

insmod loopback

insmod squash4

insmod linux

search \
--set root \
--fs-uuid BADA-5579

configfile /grub.cfg

• grub.cfg

search \
--set root \
--fs-uuid 6234a0eb-29a3-a847-1dbd-5ec4bada5579

lmp=/up
sfs=filesystem.squashfs

linux ${lmp}/vmlinuz \
boot=live \
elevator=deadline \
ip=frommedia \
live-media-path=${lmp} \
toram=${sfs}

initrd ${lmp}/initrd.img

boot

• grub.efi.sh

#! /bin/sh

grub-mkstandalone \
--verbose \
--compress xz \
--format x86_64-efi \
--output grub.efi \
--themes "" \
boot/grub/grub.cfg=grub.efi.cfg

• grub.env

grub-editenv grub.env create

UEFI

efibootmgr --verbose

efibootmgr --timeout 0

efibootmgr --bootnum 5 --delete-bootnum

efibootmgr --bootnum 5 --inactive

efibootmgr --create \
--label grub \
--disk /dev/sdb \
--part 3 \
--loader /efi/boot/bootx64.efi

efibootmgr --bootorder 0,1,2,3,4,5,6,7,8,9

Timeout: 0 seconds
BootOrder: 0000,0001,0002,0003,0004,0005,0006,0007,0008,0009
Boot0000* grub
Boot0001* Enter Setup
Boot0002  Boot Device List
Boot0003  Network Boot
Boot0004* Launch EFI Shell
Boot0005* UEFI HGST HUS726T4TALA6L1 V1H75SAH
Boot0006* UEFI IPv4: Intel I210 Network 00 at Baseboard
Boot0007* UEFI IPv6: Intel I210 Network 00 at Baseboard
Boot0008* UEFI IPv4: Intel I210 Network 00 at Baseboard 2
Boot0009* UEFI IPv6: Intel I210 Network 00 at Baseboard 2

BIOS

Todo

BIOS