Before you begin, download the backup and restore software on to the client.
SSH to the client, as ec2-user and using your keypair file.
ssh -i <your keypair file> ec2-user@<IP address of the client>
Secure copy the utility software /home/beehive/cluster-management/barAsterOnAws.py from the queen node to the client, in a directory of your choice (that is, $BARHOME).
scp -i <queen_machine.pem> ec2-user@<IP address of the queen node>:/home/beehive/cluster-management/barAsterOnAws.py $BARHOME