In Manage Jenkins, click on the Configure System link.

Here, we can get information about the JENKINS_HOME directory, the workspace root directory, and so on. We can set the Jenkins URL as well in this section:

In Manage Jenkins, click on Configure Global Security to see the security settings available in Jenkins. We will cover role-based access, matrix-based project security, and other features in later parts of this book:

In Manage Jenkins, click on the Global Tool Configuration link to provide details related to all tools available on the system that can be utilized to perform certain tasks. Depending on plugins related to specific tools, that section will appear on this page.

Another important thing to mention is that we can configure multiple versions of the same tool. For example, we can configure Java 6, Java 7, and Java 8. It is highly likely that different projects require different versions of Java for their execution. In such cases, we can configure multiple JDKs here and utilize specific JDKs in specific build jobs:

As discussed earlier in this chapter, the Manage Plugins section has an Advanced tab that allows us to configure proxy details.

This was all about the basic installation and configuration of Jenkins 2.x, and now we will cover what we are going to achieve in this book.