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linux:grub

Differences

This shows you the differences between two versions of the page.

--- linux:grub [2019/12/11 13:05]
95.91.138.179 remove windows mount
+++ linux:grub [2019/12/11 13:17] (current)
95.91.138.179 addded efi
@@ Line 1: / Line 1: @@
 ====== update grub from live linux ======
-mount partition some where. Bind ''dev'', ''sys'' and ''proc''. Then chroot to the partition and run update-grub inside.
+mount root partition to ''/mnt''. Bind ''dev'', ''sys'' and ''proc'' into root part. mount efi partition into /boot/efi of root part. chroot to the partition and run update-grub & grub-install inside.
 <code>
 sudo mount /dev/sda2 /mnt
+sudo mount /dev/sda1 /mnt/boot/efi
 sudo mount --bind /dev /mnt/dev
 sudo mount --bind /sys /mnt/sys
@@ Line 10: / Line 11: @@
 sudo chroot /mnt
 sudo update-grub
+sudo grub-install
 </code>

linux/grub.txt · Last modified: 2019/12/11 13:17 by 95.91.138.179

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