Hello I upgraded all packages on my Ubuntu 13.04, and kernel also. But in upgrading process kernel upgrade failed, and I must always after grub load select older kernel. It is a terminal command to reinstall latest kernel? Sorry about my english (i'm polish)
Run the following command in a terminal (Ctrl+Alt+t):
Look for the kernel version you want to reinstall then run:
Of course, you must type the real kernel version (e.g. linux-image-3.8.0-21-generic) instead of linux-image-3.X.Y-ZZ-generic.