In Chapter 2, Getting Started with the Azure Cloud, we took our first steps on a journey into the world of Azure. We discovered that there are many ways to manage an Azure environment and that these include the Azure portal and command-line interfaces. You can use the command-line interfaces within the Azure portal to run them on your workstation. Later in this book, we'll see that there are other great possibilities using automation and orchestration solutions. At the end of Chapter 3, Basic Linux Administration, we created a Linux VM and explored the basics of the Linux environment.

Before we continue our journey, covering more advanced topics, this chapter covers components of the Azure infrastructure that are needed for our workloads, VMs, and containers. We discussed the filesystem in Linux, but how will we add more data disks to the VM? As a system administrator, you might need to allow or deny traffic to your VM based on your business...