CryptoZSH/tools/v3das/linux_chroot_grub_install.txt

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# Start a live image, then reinstall grub.
fdisk -l
mount /dev/sda2 /mnt/
mount -t proc none /mnt/proc
mount -o bind /dev /mnt/dev
mount -t sysfs sys /mnt/sys
chroot /mnt/ /bin/bash
update-grub
/usr/sbin/grub-install --recheck --no-floppy /dev/sda
sync & reboot