Memo
rsync -r -t -x -v --progress --del /source /destination
via ssh
rsync -r -t -x -v --progress --del -e 'ssh -p port' user@IP.IP.IP.IP:/dossier/source /dossier/destination
rsync -r -t -x -v --progress --del /source /destination
rsync -r -t -x -v --progress --del -e 'ssh -p port' user@IP.IP.IP.IP:/dossier/source /dossier/destination