In this chapter, we will take a look at various ways you can configure Kali Linux. First, in Section 5.1, “Configuring the Network”, we will show you how to configure your network settings using a graphical environment and the command line. In Section 5.2, “Managing Unix Users and Unix Groups”, we will talk about users and groups, showing you how to create and modify user accounts, set passwords, disable accounts, and manage groups. Finally, we will discuss services in Section 5.3, “Configuring Services” and explain how to set up and maintain generic services and also focus on three very important and specific services: SSH, PostgreSQL, and Apache.