To install and start rsync on your phone, run
./adb-start-rsyncd.sh
You can now transfer files from and to the device. To pull your current rsyncd.conf, use this command:
rsync -av --progress --stats rsync://localhost:6010/root/data/rsyncd.conf .
To deploy a new rsyncd.conf file using rsync, you can use
rsync -av --progress --stats rsyncd.conf rsync://localhost:6010/root/data/rsyncd.conf