Installare qemu-guest-agent in Alpine Linux
apk add qemu-guest-agent
cat > /etc/init.d/qemu-guest-agent <<EOFile
#!/sbin/openrc-run
name="QEMU Guest Agent"
pidfile="/run/qemu-ga.pid"
command="/usr/bin/qemu-ga"
command_args="-m ${GA_METHOD:-virtio-serial} -p ${GA_PATH:-/dev/vport2p1} -l /var/log/qemu-ga.log -d"
EOFile
rc-update add qemu-guest-agent default
/etc/init.d/qemu-guest-agent start
reboot