Timothy Murphy wrote:

> Nils Breunese (Lemonbit) wrote:
>
>>> Is there incidentally a simple test to determine
>>> if ssh is working as required by BackupPC?
>>
>> See if the BackupPC user can login on the client without entering a
>> password.
>
> Thanks for your comments, which are mostly helpful.
>
> However, I think the above was slightly misleading.
> I have BackupPC working perfectly on 4 computers (server + 3 clients),
> but in no case can backuppc on the server
> ssh into any of the client machines
> without being asked for a password;
> and when asked for a password I cannot give one,
> since backuppc does not have one.
>
> I can ssh onto root on the client machines, eg with
>       ssh -l root mary

I don't really understand the difference. That last example is what I  
meant. If you cannot SSH into the machines, you cannot run backups  
over SSH.

>> The public key of the backuppc user needs to be in the  
>> authorized_keys
>> file of the user account on the client. Also see
>> http://backuppc.sourceforge.net/faq/ssh.html
>
> That is what I found to be the essential point in getting BackupPC  
> working.
> Amazingly, it did not see to be stated clearly in any of the tutorials
> I looked at.

Well, it's in the official docs and it's standard procedure for using  
SSH with public key authentication.

Nils Breunese.

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