Virtualization with qemu & kvm & virt-manager

Setup

Virtualization setup as described in this tutoruial

Switch to root

su -

Install required packages

apt install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virt-manager

Add the existing nonroot user to the two groups libvirt and kvm

adduser <name of the user> libvirt
adduser <name of the user> kvm

Check if the libvirt service is running

systemctl status libvirtd

If the service is not running start it

systemctl start libvirtd
systemctl enable libvirtd