I'm using backuppc 3.0 successfully for some time with our LAN-clients
via rsyncd. Now I'm trying to backup a WAN-client with rsync via SSH as
explained in the FAQ (http://backuppc.sourceforge.net/faq/ssh.html).
The ssh-login connects cleanly with no prompts to a restricted account.
From that account invoking rsync is enabled with sudo (as suggested by
Martin Hansen in the FAQ):
backupuser ALL=NOPASSWD: /usr/bin/rsync --server --sender *
The rsync version on the client is 2.6.9, on the backuppc-server 2.6.8.
XferLOG.bad:
full backup started for directory /
Running: /usr/bin/ssh -q -x -l backupuser example.com /usr/bin/sudo
/usr/bin/rsync --server --sender --numeric-ids --perms --owner --group
-D --links --hard-links --times --block-size=2048 --recursive
--checksum-seed=32761 --ignore-times . /
Xfer PIDs are now 17383
Rsync command pid is 17383
Fetching remote protocol
Read EOF: Die Verbindung wurde vom Kommunikationspartner zurückgesetzt
[lengthy german for "connection reset by peer"]
Tried again: got 0 bytes
Done: 0 files, 0 bytes
Got fatal error during xfer (Unable to read 4 bytes)
Backup aborted (Unable to read 4 bytes)
I logged in manually and managed to sudo rsync. As long as I left out
the options --server and --sender in /etc/sudoers I was able to do some
rsyncs locally on that client, but with these options enabled rsync
seems to just hang. I don't know how they affect the behaviour, I could
not find any documentation.
Thank you for any suggestions.
Guido
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