Here’s a mini howto on backing up files on a remote machine using rsync. It shows the progress while it does its thing and updates any remote files while keeping files on the remote end that were deleted from your local folder.
rsync -v -r --update --progress -e ssh /media/nam/Documents/ nam@192.168.0.105:/media/nam/backup/documents/
Here, /media/nam/Documents/ is the local folder and /media/nam/backup/documents/ is the backup folder on the machine with IP 192.168.0.105.