angelo@asus-x:~$ grub-install -v
grub-install: info: executing modprobe efivars 2>/dev/null.
grub-install: info: Looking for /sys/firmware/efi ...
grub-install: info: ... not found. Looking for /proc/device-tree ...
grub-install: info: ... not found.
Installing for i386-pc platform.
grub-install: errore: install device isn't specified.
angelo@asus-x:~$