lubuntu@lubuntu:~$ sudo mount /dev/sda2 /mnt
lubuntu@lubuntu:~$ sudo mount --bind /dev/mnt/ dev
mount: mount point dev does not exist
lubuntu@lubuntu:~$ sudo mount --bind /dev /mnt/dev
lubuntu@lubuntu:~$ sudo mount --bind /proc /mnt/proc
lubuntu@lubuntu:~$ sudo mount --bind /sys /mnt/sys
lubuntu@lubuntu:~$ sudo chroot /mnt
root@lubuntu:/# mount /dev/sda2 /boot
root@lubuntu:/# grub-install /dev/sda2
Installing for i386-pc platform.
grub-install: warning: File system `ext2' doesn't support embedding.
grub-install: warning: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..
grub-install: error: will not proceed with blocklists.
root@lubuntu:/# grub-install --recheck /dev/sda2
Installing for i386-pc platform.
grub-install: warning: File system `ext2' doesn't support embedding.
grub-install: warning: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..
grub-install: error: will not proceed with blocklists.
root@lubuntu:/#