sudo apt install -y qemu-kvm virt-manager libvirt-daemon-system virtinst libvirt-clients bridge-utils
sudo systemctl enable --now libvirtd
sudo systemctl start libvirtd
sudo usermod -aG libvirt $USER
sudo usermod -aG kvm $USER
newgrp libvirt
newgrp kvm
Knowledge
sudo apt install qemu-system
sudo apt install cpu-checker
sudo systemctl stop libvirtd.socket
sudo systemctl stop libvirtd.service
sudo systemctl status virtlogd.socket
sudo systemctl status virtlogd.service
qemu-system-i386 -net user -cdrom my_iso.iso
kvm-ok
qemu before start
sudo systemctl stop virtualbox.service
sudo systemctl disable virtualbox.service
sudo systemctl enable libvirtd.service
sudo systemctl start libvirtd.service
References