inode0 wrote:

>> I see that in /etc/ssh/ssh_config I have the above setting
>> in both Fedora-19 and CentOS-6.4 .
>> In both cases ssh (openssh) tries and fails to use gssapi-with-mic
>> authentication, with the message
>> =======================
>> Unspecified GSS failure.  Minor code may provide more information
>> No Kerberos credentials available
>> =======================
>> It then goes on to use publickey authentication, successfully.
> 
> Do you have a keytab installed on the machine you are trying to login to?

I don't.
I didn't know about keytabs, and am reading 
<http://itservices.stanford.edu/service/kerberos/keytabs>
to learn something about them.

At the moment I'm not clear what advantage keytabs have.
I do not have to login after "ssh -Y ..."
as I have appended id_rsa.pub to known_hosts in each direction.

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
School of Mathematics, Trinity College, Dublin 2, Ireland


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