libvirtQEMU is a fast, cross-platform open-source machine emulator which can emulate a huge number of hardware architectures for you. QEMU lets you run a complete unmodified operating system (VM Guest) on top of your existing system (VM Host Server).
The libvirt-based tools such as virt-manager, virt-install, or vm-install offer convenient interfaces to set up and manage virtual machines. They act as a kind of wrapper for the qemu-system-ARCHcommand. However, it is also possible to use qemu-system-ARCH directly without using libvirt-based tools …
Once you have a virtual disk image ready (for more information on disk images, see Section 27.2, “Managing Disk Images with qemu-img”), it is time to start the related virtual machine. Section 27.1, “Basic Installation with qemu-system-ARCH” introduced simple commands to install and run a VM Guest. …
When QEMU is running, a monitor console is provided for performing interaction with the user. Using the commands available in the monitor console, it is possible to inspect the running operating system, change removable media, take screen shots or audio grabs and control several other aspects of the…