New question #403779 on Duplicity:
https://answers.launchpad.net/duplicity/+question/403779
Hi there,
I'm using Duplictiy (installed from source, Version 0.7.10) on my freshly
installed Raspbian system. Duplicity in invoked by duply and basically works
fine as long as I'm using my Dropbox as a target. As soon as I try to switch to
a SSH target (pub key authentication), I get the following error:
Backend error detail: Traceback (most recent call last):
File "/usr/local/bin/duplicity", line 1546, in <module>
with_tempdir(main)
File "/usr/local/bin/duplicity", line 1540, in with_tempdir
fn()
File "/usr/local/bin/duplicity", line 1375, in main
action = commandline.ProcessCommandLine(sys.argv[1:])
File "/usr/local/lib/python2.7/dist-packages/duplicity/commandline.py", line
1117, in ProcessCommandLine
backup, local_pathname = set_backend(args[0], args[1])
File "/usr/local/lib/python2.7/dist-packages/duplicity/commandline.py", line
1006, in set_backend
globals.backend = backend.get_backend(bend)
File "/usr/local/lib/python2.7/dist-packages/duplicity/backend.py", line 223,
in get_backend
obj = get_backend_object(url_string)
File "/usr/local/lib/python2.7/dist-packages/duplicity/backend.py", line 209,
in get_backend_object
return factory(pu)
File
"/usr/local/lib/python2.7/dist-packages/duplicity/backends/ssh_paramiko_backend.py",
line 254, in __init__
raise BackendException("sftp negotiation failed: %s" % e)
BackendException: sftp negotiation failed: Channel closed.
BackendException: sftp negotiation failed: Channel closed.
Some googling brought me to the python-paramiko packet as the scapegoat but I
have the latest version of it installed (using apt).
I also turned the verbosity level up and can see that the SSH authentication
basically works, the error happens directly after the authentication.
Do you have any advice for me? Is it possible that this is a bug in Duplicity?
Thanks
Nils
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