sudo dpkg --configure linux-image-2.6.17-2-486
Setting up linux-image-2.6.17-2-486 (2.6.17-9) ...
Running depmod.
Finding valid ramdisk creators.
Using mkinitramfs-kpkg to build the ramdisk.
initrd.img(/boot/initrd.img-2.6.17-2-486) points to /boot/initrd.img-2.6.17-2-486 (/boot/initrd.img-2.6.17-2-486) -- doing nothing at /var/lib/dpkg/info/linux-image-2.6.17-2-486.postinst line 579.
vmlinuz(/boot/vmlinuz-2.6.17-2-486) points to /boot/vmlinuz-2.6.17-2-486 (/boot/vmlinuz-2.6.17-2-486) -- doing nothing at /var/lib/dpkg/info/linux-image-2.6.17-2-486.postinst line 579.
The provided postinst hook script [/sbin/update-grub] could not be run.
dpkg: error processing linux-image-2.6.17-2-486 (--configure):
 subprocess post-installation script returned error exit status 2
Errors were encountered while processing:
 linux-image-2.6.17-2-486