root@ubuntu:/# upgrade-grub
upgrade-grub: comando non trovato
root@ubuntu:/# update-grub
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.5.0-54-generic
Found initrd image: /boot/initrd.img-3.5.0-54-generic
Found linux image: /boot/vmlinuz-3.5.0-23-generic
Found initrd image: /boot/initrd.img-3.5.0-23-generic
Found memtest86+ image: /boot/memtest86+.bin
Found Debian GNU/Linux (7.9) on /dev/sda1
Found Windows 7 (loader) on /dev/sda2
done
root@ubuntu:/#