# Pastebin zyzWvuHa
sudo sed -E -i "s/(#)(listen_tls = 0)/\2/" /etc/libvirt/libvirtd.conf
sudo sed -E -i "s/(#)(listen_tcp = 1)/\2/" /etc/libvirt/libvirtd.conf
sudo sed -E -i "s/(#)(auth_tcp = )(\"sasl\")/\2\"none\"/"\
    /etc/libvirt/libvirtd.conf
sudo sed -E -i "s/(#)(dynamic_ownership = )(1)/\20/" /etc/libvirt/qemu.conf
sudo sed -E -i "s/(#)(security_driver = )(\"selinux\")/\2\"none\"/"\
    /etc/libvirt/qemu.conf
sudo sed -E -i "s/(#)(user = \"root\")/\2/" /etc/libvirt/qemu.conf
sudo sed -E -i "s/(#)(group = \"root\")/\2/" /etc/libvirt/qemu.conf

sudo sed -E -i "s/(#*)(libvirtd_opts=)(.*)/\2\"-l\"/" \
    /etc/default/libvirtd