Understanding the qemu-guest-agent package

The qemu-guest-agent package can be installed on virtual guest systems to provide the qemu-ga service. The qemu-ga service starts automatically (launching the /usr/bin/qemu-ga daemon) whenever there is a /dev/virtio-ports/org.qemu.guest_agent.0 file. The daemon can be used to respond to a variety of requests for information and actions on the guests and it is currently encapsulated by libvirt ...