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[*virt-manager*](http://virt-manager.org/) is a free software virtualization solution for Linux. *virt-manager* has a more complex interface than *VirtualBox* or *GNOME Boxes* but it also has a more complete set of features.
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<p><em>virt-manager</em> is the only virtualization
solution that we present that allows the use of a Persistent
Storage.</span> See [[Running Tails from a USB
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<p>The following instructions have been tested on Debian 11 (Bullseye).</p>
<p>Please, [[let us know|about/contact#tails-dev]] if they do not apply
to Debian 12 (Bookworm).</p>
*virt-manager* is based on a set of lower level virtualization tools,
going from the user interface to the hardware interactions with the
processor. This terminology is a bit confusing and other documentation
might mention the following tools:
*KVM* is the module of the Linux kernel that interacts with the virtualization features of the processor.
*QEMU* is the virtualization software that emulates virtual processors and peripherals based on *KVM* and that starts and stops virtual machines.
*libvirt* is a library that allows *virt-manager* to interact with the virtualization capabilities provided by *QEMU*.
*SPICE* is a protocol that allows to visualize the desktop of virtual machines.
*virt-manager* is the graphical interface that allows to create, configure, and run virtual machines.
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To install *virt-manager* in Debian, execute the following command:
sudo apt install virt-manager libvirt-daemon-system