pg_probackup3 supports the remote mode that allows you to perform backup and WAL archiving operations remotely.
pg_probackup3 can store and read backup files and metadata on an SSH server using the SFTP protocol. This operation scheme is similar to that of S3.
If you are going to use pg_probackup3 in the remote mode via SSH, set up a passwordless SSH connection to the server via a public and private keys: set the public key on the server side and the private one — on the client.
See the Remote Mode Options section for details on the remote connection parameters.
pg_probackup3 in the remote mode via SSH works as follows:
All commands can be launched in the remote mode.
Operating in the remote mode does not require the pg_probackup3 binary to be installed on the remote system.