sudo update-grub
[sudo] password for killer:
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.8.0-38-generic
Found initrd image: /boot/initrd.img-3.8.0-38-generic
Found linux image: /boot/vmlinuz-3.8.0-35-generic
Found initrd image: /boot/initrd.img-3.8.0-35-generic
Found linux image: /boot/vmlinuz-3.2.16-030216-generic
Found initrd image: /boot/initrd.img-3.2.16-030216-generic
Found linux image: /boot/vmlinuz-3.2.0-67-virtual
Found initrd image: /boot/initrd.img-3.2.0-67-virtual
Found linux image: /boot/vmlinuz-3.2.0-67-generic
Found initrd image: /boot/initrd.img-3.2.0-67-generic
Found memtest86+ image: /boot/memtest86+.bin
Found Windows 7 (loader) on /dev/sda3
Found Ubuntu 14.04 LTS (14.04) on /dev/sda4
done