Recuperar o grub-efi [RESOLVIDO]

Ryuk
(usa Nenhuma)

Enviado em 30/10/2018 - 23:07h

#/bin/bash

# Script para recuperação automática do GRUB em distros Debian-like.



if [ "$(id -u)" != "0" ]; then

    exec sudo "$0" "$@"

fi



if [ $# -eq 1 ]; then

    MOUNT=/mnt/$1

    DEVICE=/dev/$1

else

    echo "Como usar este script: ./grub-recovery.sh sda1"

    echo "Entre com o nome da partição do sistema o qual será recuperado o grub"  

    exit 1

fi



echo "Montando a partição $DEVICE em $MOUNT"

sleep 2

mkdir -p $MOUNT

mount $DEVICE $MOUNT

mount /dev/sda1 $MOUNT/boot/efi

mount --bind /dev $MOUNT/dev

mount --bind /dev/pts $MOUNT/dev/pts

mount --bind /proc $MOUNT/proc

mount --bind /sys $MOUNT/sys

mount --bind /run $MOUNT/run

sleep 2

chroot $MOUNT /bin/bash -c "grub-install /dev/sda ; update-grub ; exit"

#chroot $MOUNT /bin/bash -c "grub-install /dev/sda ; grub-mkconfig -o /boot/grub/grub.cfg ; exit"

sleep 2

echo "GRUB instalado com sucesso!"

echo "Desmontando a partição..."

umount -l $MOUNT/run

umount -l $MOUNT/sys

umount -l $MOUNT/proc

umount -l $MOUNT/dev/pts

umount -l $MOUNT/dev

umount $MOUNT/boot/efi

umount $MOUNT

sleep 2

echo "OK!"