Before we get started, we do need to do a little configuration. More precisely, we need to tell Jenkins about the build tools and JDK versions we will be using for our builds.
Click on the Manage Jenkins link on the home page (see Figure 2-7). This will take you to the Manage Jenkins page, the central one-stop-shop for all your Jenkins configuration. From this screen, you can configure your Jenkins server, install and upgrade plugins, keep track of system load, manage distributed build servers, and more! For now, however, we’ll keep it simple. Just click on the Configuring System link at the top of the list (see Figure 2-8).
Figure 2-8. The Manage Jenkins screen
This will take you to Jenkins’s main configuration screen (see Figure 2-9). From here you can configure everything from security configuration and build tools to email servers, version control systems and integration with third-party software. The screen contains a lot of information, but most of the fields contain sensible default values, so you can safely ignore them for now.
Figure 2-9. The Configure Jenkins screen
For now, you will just need to configure the tools required to build our sample project. The application we will be building is a Java application, built using Maven. So in this case, all we need ...