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→Starting and Stopping KVM Guest Systems
The following screenshot shows the virt-manager tool running on an Ubuntu system. It lists one connected host system (localhost), and three guest virtual systems named CentOS5, Ubuntu and WindowsXP - two of which are currently running:
[[Image:ubuntu_10.10_virt-manager_vms_running.jpg|The virtual machine manager listing VMs on Ubuntu]]
To launch a guest virtual OS, either double click on the OS in the list and then select ''Virtual Machine -> Run'' in the Virtual Machine Console, or right click on the system and select Run from the context menu. Alternatively, select the virtual machine and press the “play” button in the toolbar.
To stop a virtual machine running a guest OS it is not sufficient to simply close the Virtual Machine Console and Virtual Machine Manager windows. Doing so only closes the manager and console, leaving the guest operating system running in the background. To shutdown a guest OS, either shut it down using the operating system's own shut down mechanism, select an option from the Virtual Machine Console Virtual Machine -> Shutdown menu, or right click on the guest OS from the list in the virt-manager main screen and select Shutdown.
== Pausing a KVM Guest Operating System ==
