rsync with sudo on a remote Ubuntu machine

rsync-sudo.sh

#!/bin/bash

# Uses rsync with sudo privileges on a remote machine
# By Daniel Kraus (bovender), released into the public domain
#
# Inspired by: https://unix.bris.ac.uk/2015/08/04/rsync-between-two-hosts-using-sudo-and-a-password-prompt/
#
# To use this, an askpass program must be installed on the
# remote node. For Debian/Ubuntu systems, use:
#
#     sudo apt install ssh-askpass
#
# You may want to confirm the absolute path of ssh-askpass:
#
#     which ssh-askpass

rsync -e 'ssh -X' --rsync-path='SUDO_ASKPASS=/usr/bin/ssh-askpass sudo rsync' "$@"