Jenkins is an open source Continuous Integration tool. Originally started as Hudson. It can be used to build software, deploy software, or websites to various endpoints or to run unit/behaviour-driven software tests. Here is a link to an excellent article https://www.digitalocean.com/community/articles/how-to-install-and-use-jenkins-on-ubuntu-12-04, which demonstrates how to install, configure Jenkins, and create your first job. After setting up the basics, you'll schedule the build on specific times and install a plugin.The installation is insecure and everyone can access it. We need to fix that! First, go to Manage Jenkins (in the left menu) then click Setup Security on the page loaded.Create an account (Jenkins is assuming a lower case username I strongly suggest you choose as such to avoid confusion)