Linux kernel is a core of the Linux or Unix operating system. Updating the kernel usually ask the user to reboot the computer so it will boot up with the new kernel. If it is only a personal desktop (Ubuntu desktop edition), it is fine if you reboot your PC. But if you are in Server edition, and you host hundreds even thousands of websites, than it is a nightmare for them if you restart the server.There is a way to update the kernel without reboot, you can use ksplice to do that. Ksplice or … Read more...