Appendix - Sync Creating SSH keys from the command linePublic key authentication (SSH Key) is a more secure alternative to password authentication that allows users to avoid entering or storing a password, or sending it over the network. Public key authentication uses the client computer to generate the key pair (a public key and a private key). The public key is then provided to the remote computer's administrator to be installed on that machine.Rsync versus async uni-directional exampleThe async and rsync command line options are similar for basic uni-directional synchronization.Parent topic: Aspera Sync