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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 *GNOME Boxes* but it also has a more complete set of features.
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<p><i>virt-manager</i> is the only virtualization
solution that allows to use a Persistent
Storage. See [[running Tails from a USB
image|virt-manager#usb_image]].</p>
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<p>The following instructions have been tested on Debian 12 (Bookworm).</p>
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Terminology
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*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:
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*KVM* is the module of the Linux kernel that interacts with the virtualization features of the processor.
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*QEMU* is the virtualization software that emulates virtual processors and peripherals based on *KVM* and that starts and stops virtual machines.
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*libvirt* is a library that allows *virt-manager* to interact with the virtualization capabilities provided by *QEMU*.
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*SPICE* is a protocol that allows to visualize the desktop of virtual machines.
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*virt-manager* is the graphical interface that allows to create, configure, and run virtual machines.
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Installation
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To install *virt-manager* in Debian, execute the following command:
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<p class="command">sudo apt install virt-manager libvirt-daemon-system</p>
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To install *virt-manager* in Ubuntu, execute the following command:
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<p class="command">sudo apt install virt-manager libvirt-bin qemu-kvm</p>
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Running Tails from an ISO image
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[[Download Tails as an ISO image|install/download-iso]], instead of a USB image.
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Start *virt-manager*.
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Double-click on **QEMU/KVM - Not Connected** to connect to the *QEMU* system of your host.
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To create a new virtual machine, choose <span class="menuchoice"> <span class="guimenu">File</span>&nbsp;▸ <span class="guimenuitem">New Virtual Machine</span></span>.
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