# update-grub
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.2.0-23-generic
Found initrd image: /boot/initrd.img-3.2.0-23-generic
Found memtest86+ image: /memtest86+.bin
  /var/lock/lvm: mkdir failed: No such file or directory
  File-based locking initialisation failed.
Found Windows 7 (loader) on /dev/sda1
Found Windows NT/2000/XP (loader) on /dev/sdb1
done