mount -o bind /proc /sda2/proc
mount -o bind /dev/ /sda2/dev
mount -o bind /sys /sda2/sys
chroot /sda2


mint / # mount -o bind /proc /sda2/proc
mint / # mount -o bind /dev/ /sda2/dev
mint / # mount -o bind /sys /sda2/sys
mint / # chroot /sda2
mint / # cd ~
mint ~ # ls
Desktop
mint ~ # cd /
mint / # ls
bin   Desktop  dev-temp  home        initrd.img.old  lost+found  mnt  proc  run   selinux  sys  usr  vmlinuz
boot  dev      etc       initrd.img  lib             media       opt  root  sbin  srv      tmp  var
mint / # vi etc/fstab
mint / # blkid /dev/sda2
/dev/sda2: UUID="9db45fda-2519-4359-87f1-d592d6850c9e" TYPE="ext4"
mint / # vi etc/fstab
mint / # blkid /dev/sda1
/dev/sda1: UUID="6a3fbf8a-13bb-4cbf-b0c3-bca046b61eed" TYPE="swap"
mint / # vi etc/fstab
mint / # update-g
update-gconf-defaults   update-grub             update-grub2            update-grub-gfxpayload  update-gsfontmap
mint / # update-g
update-gconf-defaults   update-grub             update-grub2            update-grub-gfxpayload  update-gsfontmap
mint / # update-grub
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.5.0-17-generic
Found initrd image: /boot/initrd.img-3.5.0-17-generic
Found memtest86+ image: /boot/memtest86+.bin
done


mount -o bind /proc /mnt/proc
mount -o bind /dev/ /mnt/dev
mount -o bind /sys /mnt/sys
chroot /mnt

diag1002 / # grub-install /dev/sda
Installation finished. No error reported.


update-grub
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.5.0-17-generic
Found initrd image: /boot/initrd.img-3.5.0-17-generic
Found memtest86+ image: /boot/memtest86+.bin
done
 

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