ssh for various backup tasks

zcat hdc2.gz | pv | ssh root@host "dd of=/dev/hdc2"
ssh host "cd /source && tar cf - ." | tar tvf -
tar cf - --one-file-system . | pv | ssh host "cd /target && tar --same-owner -p -xf -"
# tarbridge:
tar -c -f - <local_file> | ssh <user>@<ip-address> "(cd /remomepath>; tar -x -f -)"
ssh host "cd target && cat > file.tmp && mf file.tmp real.name" < local.file
ssh host "cd /target; tar txvf -" < local.tgz
ssh hassbian "tar cf - -T /run/backup.files" > hassbian.tar