Install kpatch-build by entering the following commands in the terminal:
sudo apt update sudo apt install kpatch-build
Description:
Build Tools for Kpatch and Livepatch
kpatch-build is a tool that can build both kpatch and livepatch modules from a given patch.
Homepage: http://github.com/dynup/kpatch
Version: 0.5.0-0ubuntu1
Section: universe/kernel