Hi,
Can I just rebuild the keys for head node and then make sure
authorized_keys files are set correctly on compute nodes?
DongInn Kim wrote:
> Hi Joseph,
>
> Have you checked to see if your oscarimage(e.g.,
> /var/lib/systemimager/images/oscarimage) has the same "root/.ssh" as the one
> of your head node?
> And please make sure authorized_keys{,2} are properly setup too.
>
> If it is not setup properly, the password access of root can not completed.
>
> I don't know what happens to your installation but I have never seen this
> problem on my default installation.
> If you can provide some detail of your installation, I would like to
> reproduce your problems and then look into them further.
>
> Regards,
>
> - DongInn
>
>
> Joseph Norris wrote:
>
>> Here is what I did to try to fix this problem. I deleted all the nodes
>> - re-added the nodes - re-imaged the nodes - re-start on all nodes -
>> then did a "complete cluster setup" I still get a password request for
>> root on node1.
>>
>> What am I doing wrong on this?
>>
>> thanks.
>>
>> Joseph Norris wrote:
>>
>>> Hmm....
>>>
>>> It is in the "complete cluster setup" that I get the request for the
>>> root passwords.
>>>
>>> Michael Edwards wrote:
>>>
>>>
>>>> If you got a password from your user, that means it didn't get its
>>>> .ssh files set up right either.
>>>>
>>>> Did you successfully run the "complete cluster setup" step?
>>>>
>>>> You could try running the "complete cluster setup" step again,
>>>> sometimes that fixes things...
>>>>
>>>> On Fri, Aug 1, 2008 at 8:08 PM, Joseph Norris <[EMAIL PROTECTED]> wrote:
>>>>
>>>>
>>>>
>>>>> Yes I did.
>>>>>
>>>>> Michael Edwards wrote:
>>>>>
>>>>>
>>>>>
>>>>>> It should be set to yes so that is something.
>>>>>>
>>>>>> If the passwords are out of sync for root, that is difficult to fix
>>>>>> without making a new image.
>>>>>>
>>>>>> When you ssh from the node as your user, did you get asked for a
>>>>>> password?
>>>>>>
>>>>>> On Fri, Aug 1, 2008 at 2:23 PM, Joseph Norris <[EMAIL PROTECTED]> wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> PermitRootLogin is set to yes in sshd_config. should that be changed or
>>>>>>> is there something else I need
>>>>>>>
>>>>>>> thanks
>>>>>>>
>>>>>>> Michael Edwards wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>> Well, it appears you don't have ssh root login enabled on the compute
>>>>>>>> nodes.
>>>>>>>>
>>>>>>>> That will cause the "complete" step to fail. check the sshd.conf file
>>>>>>>> on the image
>>>>>>>>
>>>>>>>> /var/lib/systemimager/images/oscarimage/etc/sshd.conf
>>>>>>>>
>>>>>>>> and make sure the enable root login flag is set.
>>>>>>>>
>>>>>>>> On Fri, Aug 1, 2008 at 2:03 PM, Joseph Norris <[EMAIL PROTECTED]>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>> Ok here is what I do.
>>>>>>>>>
>>>>>>>>> I logged into the head node and from the head node I ssh to one of the
>>>>>>>>> compute nodes as the user that I used on the head node. Compute node
>>>>>>>>> lets me just fine. Then I su - and I put in the root password for the
>>>>>>>>> head node and now I am root on the compute node. home reflects
>>>>>>>>> everything that is not the head node and the fstab file is as follows:
>>>>>>>>>
>>>>>>>>> /dev/hda6 / ext3 defaults 1 2
>>>>>>>>> /dev/hda5 swap swap defaults 0 0
>>>>>>>>> /dev/hda1 /boot ext3 defaults 1 2
>>>>>>>>> /dev/shm /dev/shm tmpfs defaults 1 2
>>>>>>>>> /dev/fd0 /mnt/floppy auto noauto,owner 0 0
>>>>>>>>> none /dev/pts devpts defaults 0 0
>>>>>>>>> none /proc proc defaults 0 0
>>>>>>>>> nfs_oscar:/home /home nfs rw 0 0
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> so it looks like home is getting mounted of the head node.
>>>>>>>>>
>>>>>>>>> The question still remains why I can not complete the installation
>>>>>>>>> from
>>>>>>>>> the head node.
>>>>>>>>>
>>>>>>>>> thanks.
>>>>>>>>>
>>>>>>>>> Joseph Norris wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> Hmmm.. I try to ssh in to one of the nodes but it will not accept the
>>>>>>>>>> root password that I set up when I installed linux.
>>>>>>>>>>
>>>>>>>>>> Michael Edwards wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>> That generally means that NFS isn't working correctly and the home
>>>>>>>>>>> directories are not mounted on the nodes. Try sshing into one of
>>>>>>>>>>> the
>>>>>>>>>>> problem nodes and mounting the home directory by hand and see if
>>>>>>>>>>> that
>>>>>>>>>>> works.
>>>>>>>>>>>
>>>>>>>>>>> On Fri, Aug 1, 2008 at 11:44 AM, Joseph Norris <[EMAIL PROTECTED]
>>>>>>>>>>> <mailto:[EMAIL PROTECTED]>> wrote:
>>>>>>>>>>>
>>>>>>>>>>> Hello to all,
>>>>>>>>>>>
>>>>>>>>>>> First of thanks to all that have responded to my very newbie
>>>>>>>>>>> inquiries.
>>>>>>>>>>> You have helped a great deal. I got everything installed on all
>>>>>>>>>>> the
>>>>>>>>>>> nodes and it went like a dream. Now on the "fat fingers" front I
>>>>>>>>>>> inadvertently hit the complete cluster installation without
>>>>>>>>>>> rebooting
>>>>>>>>>>> all of the nodes ( I know it says it says it very plainly).
>>>>>>>>>>>
>>>>>>>>>>> Well I stopped the script and went and rebooted all the nodes -
>>>>>>>>>>> all went
>>>>>>>>>>> well. However when I came back to do the complete cluster
>>>>>>>>>>> installation
>>>>>>>>>>> - it keeps coming up with a user root and password prompt. I
>>>>>>>>>>> just hit
>>>>>>>>>>> enter thinking it will set up keys but it continues to ask for
>>>>>>>>>>> passwords.
>>>>>>>>>>>
>>>>>>>>>>> What do I do?
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>> Joseph Norris
>>>>>>>>>>> Application Developer & Server Adminstrator
>>>>>>>>>>> 209-228-4576
>>>>>>>>>>> [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
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>>>>>>>>>>> _______________________________________________
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>>>>>>>>>>> <mailto:[email protected]>
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>>>>>>>>>>>
>>>>>>>>>>>
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>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Joseph Norris
>>>>>>>>> Application Developer & Server Adminstrator
>>>>>>>>> 209-228-4576
>>>>>>>>> [EMAIL PROTECTED]
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> -------------------------------------------------------------------------
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>>>>>>>>> Build the coolest Linux based applications with Moblin SDK & win
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>>>>>>>>> _______________________________________________
>>>>>>>>> Oscar-users mailing list
>>>>>>>>> [email protected]
>>>>>>>>> https://lists.sourceforge.net/lists/listinfo/oscar-users
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
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>>>>>>>> This SF.Net email is sponsored by the Moblin Your Move Developer's
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>>>>>>>> Build the coolest Linux based applications with Moblin SDK & win great
>>>>>>>> prizes
>>>>>>>> Grand prize is a trip for two to an Open Source event anywhere in the
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>>>>>>>> _______________________________________________
>>>>>>>> Oscar-users mailing list
>>>>>>>> [email protected]
>>>>>>>> https://lists.sourceforge.net/lists/listinfo/oscar-users
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>> --
>>>>>>> Joseph Norris
>>>>>>> Application Developer & Server Adminstrator
>>>>>>> 209-228-4576
>>>>>>> [EMAIL PROTECTED]
>>>>>>>
>>>>>>>
>>>>>>> -------------------------------------------------------------------------
>>>>>>> This SF.Net email is sponsored by the Moblin Your Move Developer's
>>>>>>> challenge
>>>>>>> Build the coolest Linux based applications with Moblin SDK & win great
>>>>>>> prizes
>>>>>>> Grand prize is a trip for two to an Open Source event anywhere in the
>>>>>>> world
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>>>>>>> _______________________________________________
>>>>>>> Oscar-users mailing list
>>>>>>> [email protected]
>>>>>>> https://lists.sourceforge.net/lists/listinfo/oscar-users
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>> -------------------------------------------------------------------------
>>>>>> This SF.Net email is sponsored by the Moblin Your Move Developer's
>>>>>> challenge
>>>>>> Build the coolest Linux based applications with Moblin SDK & win great
>>>>>> prizes
>>>>>> Grand prize is a trip for two to an Open Source event anywhere in the
>>>>>> world
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>>>>>> _______________________________________________
>>>>>> Oscar-users mailing list
>>>>>> [email protected]
>>>>>> https://lists.sourceforge.net/lists/listinfo/oscar-users
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>> --
>>>>>
>>>>>
>>>>> Joseph Norris
>>>>> Programmer III/System Administrator
>>>>> UC Merced School of Natural Sciences
>>>>>
>>>>> Phone: 209-228-4576
>>>>> Cell: 209-201-3410
>>>>>
>>>>>
>>>>>
>>>>> -------------------------------------------------------------------------
>>>>> This SF.Net email is sponsored by the Moblin Your Move Developer's
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>>>>> Build the coolest Linux based applications with Moblin SDK & win great
>>>>> prizes
>>>>> Grand prize is a trip for two to an Open Source event anywhere in the
>>>>> world
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>>>>> _______________________________________________
>>>>> Oscar-users mailing list
>>>>> [email protected]
>>>>> https://lists.sourceforge.net/lists/listinfo/oscar-users
>>>>>
>>>>>
>>>>>
>>>>>
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>>>> _______________________________________________
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>>>>
>>>>
>>>>
>>>
>>>
>
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> _______________________________________________
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--
Joseph Norris
Application Developer & Server Adminstrator
209-228-4576
[EMAIL PROTECTED]
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