ProxGrubRescue

###Fase 1 (live)
sudo su -
e2fsck -f /dev/sdX#
tune2fs -U random /dev/sdX#
mount /dev/sdX# /mnt
mount --bind /dev /mnt/dev
mount --bind /dev/pts /mnt/dev/pts
mount --bind /proc /mnt/proc
mount --bind /sys /mnt/sys
chroot /mnt

###Fase 2 (jail)
blkid
#Edite o /etc/fstab e atualize (UUID={NEW_UUID} / ext4    discard,noatime,errors=remount-ro 0 1)
update-initramfs -u -k all
grub-install --recheck --no-floppy /dev/sdX
update-grub ; sync ; exit

###Fase 3 (exit)
umount /mnt/sys /mnt/proc /mnt/dev/pts /mnt/dev /mnt
shutdown -r now