Introducing virt-manager

The virt-manager application is a Python-based desktop user interface for managing virtual machines through libvirt. It primarily targets KVM VMs, but also manages Xen and LXC (Linux containers) among others. virt-manager displays a summary view of running VMs, supplying their performance and resource utilization statistics. Using the virt-manager graphical interface, one can easily create new VMs, monitor them, and make configuration changes when required. An embedded VNC and SPICE client viewer presents a full graphical console to the VM.

As we mentioned in Chapter 3, Setting Up Standalone KVM Virtualization, virtual machines need CPU, memory, storage, and networking resources from the host. In this chapter we will explain the basic configuration of the KVM host and creating virtual machines using virt-manager.

Let's start the Virtual Machine Manager by executing the virt-manager command or by pressing Alt + F2 and it will then display the dialog box of virt...