Install QEMU-KVM on Debian 11

**Install QEMU-KVM on Debian 11**
sudo apt install gnome-boxes
virt-manager
ebtables
dnsmasq
nftables
qemu
qemu-kvm
qemu-system-x86
ovmf
seabios
libvirt-daemon-system
libvirt-daemon-system-systemd
libvirt-daemon-driver-qemu
libvirt-daemon
libvirt-clients
bridge-utils
sudo usermod -a -G kvm username
sudo usermod -a -G libvirt username
sudo systemctl enable libvirtd
sudo systemctl start libvirtd