libvirtd

libvirtd is the libvirt virtualization management daemon. It exposes a stable API for managing hypervisors such as KVM/QEMU, consumed by tools like virt-manager and virsh.

Basic usage

# enable and start the daemon
systemctl enable --now libvirtd

# manage domains from the CLI
virsh list --all
virsh start <domain>

Source

libvirt.org