root@ubuntu:/# update-grub
Searching for GRUB installation directory ... found: /boot/grub
findfs: unable to resolve 'UUID=63f0ff78-063c-4335-90af-ddb02c0d2b05'
Cannot determine root device.  Assuming /dev/hda1
This error is probably caused by an invalid /etc/fstab
findfs: unable to resolve 'UUID=b618b6c0-a721-453f-84e7-ab41d0d4effb'
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
grep: /boot/config*: No such file or directory
Found kernel: /boot/memtest86+.bin
Replacing config file /run/grub/menu.lst with new version
Updating /boot/grub/menu.lst ... done