Ubuntu: Update grub manually

Here's how to update grub manually. In Terminal, type command: sudo update-grub


username@desktop:~$ sudo update-grub
[sudo] password for username: 
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-2.6.35-28-generic-pae
Found initrd image: /boot/initrd.img-2.6.35-28-generic-pae
Found linux image: /boot/vmlinuz-2.6.35-24-generic-pae
Found initrd image: /boot/initrd.img-2.6.35-24-generic-pae
Found memtest86+ image: /boot/memtest86+.bin
Found Ubuntu 10.10 (10.10) on /dev/sdb7
done

username@desktop:~$