This article explains Jenkins and Ceedling in embedded systems. This is divided into two parts, Installation and testing with Ceedling. I didn't understand much about Jenkins, what it does and how it will be useful in embedded product development. So, I have decided to dig into this topic on "How To Use Jenkins In Embedded systems". There is a lot of documentation about Jenkins. Most of them are outdated, for instance, when I started to install Jenkins on Ubuntu, it did not go well. In this article I will explain more about Jenkins installation, using pipeline for Ceedling and Gcov. I am using the following ceedling, Unity, CMock, and CException versions on Ubuntu bionic (18.04) Ceedling:: 0.31.1 Unity:: 2.5.4 CMock:: 2.5.4 CException::