grsync commandlines:

	1. copy source DIR to target DIR:
pkexec rsync -r -t -p -o -g -v --progress -u -l -s /media/DATA-2/DATA/Eigene Dateien/OpenOrg2 /media/sdb2/temp/grsync-01
- target-DIR "media/sdb2/temp/" must exist, "grsync-01" will be created !

- err:
pkexec rsync -r -t -p -o -g -v --progress -u -l -s /media/sdb2/temp/grsync-01/OpenOrg2 /media/sdb2/temp/
- but ok: 
	pkexec rsync -r -t -p -o -g -v --progress -u -l -s /media/sdb2/temp/grsync-01/OpenOrg2 /media/sdb2/temp/grsync-01/aa
- "aa" will be created
- must be other Dir than DIR in existing tree of source


	pkexec rsync -r -t -p -o -g -v --progress --delete -u -l -s /media/sdb2/temp/grsync-01/OpenOrg2 /media/sdb2/temp/grsync-01/aa
- DIRs/files in target are deleted if not existing in source
          rsync -r -t -p -o -g -v --progress --delete -u -l -s /media/sdb2/temp/grsync-01/OpenOrg2 /media/sdb2/temp
- the same but run not as root !