[torqueusers] Authentication on cluster nodes

Mary Ellen Fitzpatrick mfitzpat at bu.edu
Fri Apr 17 08:46:37 MDT 2009


Yeah, makes sense.  I installed on the compute nodes.  Still can not ssh 
when my job is running on a particular node.  I believe it has to do 
with my sshd_config settings either on the user node or compute node.  

Garrick Staples wrote:
> On Thu, Apr 16, 2009 at 01:58:42PM -0400, Mary Ellen Fitzpatrick alleged:
>   
>> I am having some trouble getting the user authorization working.  
>> Running torque-2.3.6 on Centos5
>> The pam README indicates that this module is to be installed on the 
>> pbs_mom hosts used to authorize users with running jobs.
>> I installed the torque-package-pam-linux-x86_64.sh package on the 
>> management node, which is my NIS server and user login nodes.
>>     
>
> Do you run jobs on the management node?  It is only useful on machines where
> you run jobs.
>
> As the README says, install it on hosts that run pbs_mom.
>
>  
>   
>> Which /etc/pam.d/PAM config do I add:   account    sufficient   
>> pam_pbssimpleauth.so
>> system-auth-ac?  or  do I create a new pam module for it? 
>> pam_pbssimpleauth..
>>     
>
> It's up to you.  On my cluster I added it to ftp, login, rlogin, rsh, and ssh.
> I didn't add it to system-auth because it prevents cron and su from being
> allowed to non-priv accounts.
>
>
>  
>   
>> Also, does the torque-package-pam-linux-x86_64.sh need to be installed 
>> on the compute nodes as well.
>>     
>
> Whereever you want to use it, it needs to be installed.
>
> Again, since it talks to pbs_mom, and it's function is to authorize users that
> have running jobs, it is only useful on compute nodes.
>
>   

-- 
Thanks
Mary Ellen



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