Libvirt Setup
From Lucca's Wiki
How to setup Qemu/KVM using libvirt on debian.
Install libvirt:
sudo apt install libvirt-daemon-system
<-- The background process
sudo systemctl enable --now libvirtd
sudo apt install virt-manager
<-- The GUI for creating and managing VMs
sudo gpasswd -a $USER libvirt
<-- You will need to log out and back in for the changes to take effect.