QEMU Agent

Debian

apt update
apt install qemu-guest-agent
systemctl enable qemu-guest-agent
systemctl start qemu-guest-agent

Alpine

apk update
apk add qemu-guest-agent
echo 'GA_PATH="/dev/vport2p1"' >> /etc/conf.d/qemu-guest-agent
rc-update add qemu-guest-agent
service qemu-guest-agent start