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ArchLinuxでブートローダーの再インストール(EFI)

archLinux

Last updated at 2014-10-01Posted at 2014-10-01

$ gdisk /dev/sda
Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048          206847   100.0 MiB   EF00  efi
   2          206846         4913151   2.0 GiB     8200  swap
   3         4913152        61071326   26.8 GiB    8300  /

の構成の場合。ArchLinuxのLiveCDから起動。

mount /dev/sda3 /mnt
mkdir -p /mnt/boot/efi
mount /dev/sda1 /mnt/boot/efi

arch-chroot /mnt /bin/bash
grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=arch_grub --recheck
grub-mkconfig -o /boot/grub/grub.cfg

exit
umount -a
reboot

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