Live kernel patching is the process of applying security patches to a running Linux kernel without the need for a system reboot. The implementation for Linux is named livepatch. The process of patching a live kernel is a fairly complex process. It can be compared to an open heart surgery.

Do you need to reboot after updating Linux?

8 Answers. You do not have to restart your computer every time you update. Certain updates (such as those that affect your operating system kernel) will require rebooting to take effect. When such an update occurs, your session icon in the upper-right will glow red.

Does Linux need to be rebooted?

Linux servers never need to be rebooted unless you absolutely need to change the running kernel version. Most problems can be solved by changing a configuration file and restarting a service with an init script.