mimmo@mimmo-X55C:~$ sudo update-grub2
Generating grub configuration file ...
using custom appearance settings
Found background image: asus865453.jpg
Trovata immagine linux: /boot/vmlinuz-4.1.0-040100rc2-generic
Trovata immagine initrd: /boot/initrd.img-4.1.0-040100rc2-generic
Trovata immagine linux: /boot/vmlinuz-3.19.0-031900-generic
Trovata immagine initrd: /boot/initrd.img-3.19.0-031900-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
fatto