In this section, you gained insights into:

Virtualization Overview:
Understanding the concept of virtualization as a technology that enables the creation of virtual instances of operating systems on a single physical machine.

What Is Virtualization?:
Exploring the definition and purpose of virtualization, which facilitates efficient resource utilization and isolation of multiple operating environments.

Virtualization History:
Tracing the historical development and evolution of virtualization technologies.

Hosts and Guests:
Understanding the distinction between host and guest systems in a virtualized environment.

Emulation vs. Virtualization:
Differentiating between emulation and virtualization, highlighting their respective approaches to running guest systems.

Types of Virtualization Hypervisors:
Exploring various types of hypervisors, including dedicated hypervisors, those integrated into the kernel, and management tools like Libvirt.

Dedicated Hypervisor:
Understanding the concept of a dedicated hypervisor, which is an independent software layer for managing virtual machines.

Hypervisor in the Kernel:
Exploring the integration of a hypervisor into the kernel, providing virtualization capabilities at the operating system level.

Libvirt:
Learning about Libvirt, a toolkit that provides a common interface for managing different virtualization platforms.

Programs Using libvirt:
Exploring programs that utilize Libvirt for virtualization management.

What Is QEMU?:
Understanding QEMU (Quick Emulator) as an open-source emulator and virtualizer.

Third-Party Hypervisor Integration:
Exploring the integration of third-party hypervisors into virtualization ecosystems.

Image Formats:
Understanding different image formats used in virtualization for storing virtual machine data.

KVM and Linux:
Exploring KVM (Kernel-based Virtual Machine) as a virtualization infrastructure for the Linux kernel.

Managing KVM:
Learning how to manage KVM, a key component in Linux-based virtualization.

Lab 21.1 Installing a VM from the Command Line:
Engaging in a hands-on lab to practice installing a virtual machine from the command line, reinforcing practical skills in virtualization.

Quiz 21.1: Configure Domain:
Testing your knowledge through a quiz focused on configuring virtual machine domains using Libvirt.

Quiz 21.2: Create Virtual Machine:
Testing your knowledge through a quiz focused on creating virtual machines, reinforcing your understanding of virtualization concepts and management.