[Beowulf] Passwordless ssh - strange problem

Geoff geoff at galitz.org
Fri Sep 14 13:21:48 EDT 2007


Then I would use ssh with debug:

ssh -v wherever

Also the /var/log/secure log on the receiving side may have relevant info.

Oh wait... stupid question on my part, did you verify that the  
authorized_keys file on the node is in fact visible to you (can you "cat"  
it)?  I am assuming that the user in question is not NFS exported to the  
nodes.

-geoff




Am 14.09.2007, 19:14 Uhr, schrieb <laytonjb at charter.net>:

> Checked that - it's 700.
>
>>
>>
>> Check the permissions on the .ssh directory.  They should be set to 700.
>>
>> -geoff
>>
>>
>>
>> Am 14.09.2007, 18:53 Uhr, schrieb <laytonjb at charter.net>:
>>
>> > Afternoon cluster party goers,
>> >
>> > I'm having trouble on a cluster with passwordless ssh. I followed all  
>> the
>> > steps (I think). On the head node, I generated the public and private
>> > keys and then copied id_rsa.pub to authorized keys. Then I tried
>> > logging into compute nodes and it asks for my password every time
>> > (regardless of the number of times I log into the node). I've tried
>> > changing
>> > the permissions on authorized_keys a few times (600, 644) and that
>> > doesn't seem to change the behavior. Any ideas?
>> >
>> > Thanks!
>> >
>> > Jeff
>> >
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>>
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