Re: [Duplicity-talk] BackendException: ssh connection to ... failed: EOF when reading a line

[edgar . soldin]

On 11.02.2013 11:25, Sven wrote:
> Debug verbosity shows the following if and only if the script is run by fcron:
> 
>> The authenticity of host 'u37398.your-backup.de' can't be established.
>> SSH-RSA key fingerprint is ###.
>> Are you sure you want to continue connecting (yes/no)?
> 
> The host is in root's .ssh/known_hosts and I can connect with sftp.
> 
> It appears Paramiko doesn't read root's .ssh/known_hosts, yet why? The only
> difference I see in the environments are that as a cronjob, no terminal is
> attached - no surprise.
> 
> The versions are duplicity-0.6.20 and paramiko-1.9.0.
> 
> I'm not sure what to try next. Thanks for hints!
> 

check if your script really is run as root and the file known_hosts is there 
and contains your entry. maybe a weird changeroot problem.

additionally switch back to the old ssh pexpect backend, via --ssh-backend 
switch and see if that behaves differently.

ssh paramiko backend known_hosts file support was added a while ago in 0.6.19, 
see
http://bazaar.launchpad.net/~duplicity-team/duplicity/0.6-series/view/head:/duplicity/backends/_ssh_paramiko.py#L109
so it should work.

did you update your duplicity lately?

please send the output of a run with max verbosity next '-v9' (obfuscate 
private strings in it), so we can see your full command line and more detailed 
what is going on.

.ede/duply.net