ln -s /etc/apache2/sites-available/otrs.openstreetmap.org $T/otrs-$D/apache2-otrs.openstreetmap.org
export GZIP="--rsyncable -9"
+export RSYNC_RSH="ssh -ax -c arcfour"
nice tar --create --gzip --dereference --directory=$T --file=$T/$B otrs-$D
nice rsync $T/$B backup::backup