root@srv:~# upgrade-from-grub-legacy

core.img doesn't exist, trying to create it.

Installing for i386-pc platform.
Installation finished. No error reported.
dpkg: warning: version 'dummy-version' has bad syntax: version number does not start with digit
dpkg: warning: version 'dummy-version' has bad syntax: version number does not start with digit
dpkg: warning: version 'dummy-version' has bad syntax: version number does not start with digit
Replacing config file /etc/default/grub with new version
dpkg: warning: version 'dummy-version' has bad syntax: version number does not start with digit
Installing for i386-pc platform.
Installation finished. No error reported.
Installing for i386-pc platform.
Installation finished. No error reported.
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-3.13.0-24-generic
Found initrd image: /boot/initrd.img-3.13.0-24-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done

GRUB Legacy has been removed, but its configuration files have been preserved,
since this script cannot determine if they contain valuable information.  If
you would like to remove the configuration files as well, use the following
command:

  rm -f /boot/grub/menu.lst*

root@srv:~#