Package: qemu-guest-agent

"qemu-guest-agent" package binaries on CentOS:

/usr/bin/qemu-ga

You may install this package on CentOS with yum install qemu-guest-agent

"qemu-guest-agent" package binaries on Debian:

/usr/sbin/qemu-ga

You may install this package on Debian with apt-get install qemu-guest-agent