This guide will be made text-only, I don't have any intention converting this into a video.
Warning
In order for any of these below methods to work, you MUST run your Jenkins instance on Linux.
You are doing a project with your partners, however, the official guide to Jenkins by HUST only supports public repository. How can I hide my code from other friends, who are trying to take some ideas from my code (they may copy my code LMAO)?