[Beowulf] Authentication within beowulf clusters.

Daniel Widyono widyono at cis.upenn.edu
Fri Jan 30 20:11:22 EST 2004


We have one form of authentication (based on University standards) to login
to the head node.

We use our own system for authenticating within the internal network (which
is only used by the cluster).  We distribute /etc/passwd for account
information via cron (and via useradd and userdel wrappers).  We update an
authentication token on each node as it becomes assigned to a user by the
scheduling system.  Ssh checks this authentication token (via PAM module)
before executing on a node, and Bproc uses an ownership database on the
server side.

Regards,
Dan W.

On Fri, Jan 30, 2004 at 07:00:52PM -0600, Brent M. Clements wrote:
> 
> So, we were just going through out standards and procedures on how we do
> various things on our beowulf clusters. One of the procedures that we are
> looking at is the way to do authentication.
> 
> My question is this, how does everyone handle authentication?
> 
> Do you run standalone ldap or nis services on the master/management node
> of their beowulf clusters?
> 
> We'd like to get an idea of how everyone else handles authentication on
> their clusters. If your company/university uses a centralized
> authentication service...please explain how you get your private network
> nodes to work with that configuration.
> 
> THanks,
> 
> 
> Brent Clements
> Linux Technology Specialist
> Information Technology
> Rice University
> 
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-- 
-- Daniel Widyono                      http://www.cis.upenn.edu/~widyono
-- Liniac Project,     CIS Dept.,    SEAS,    University of Pennsylvania
-- Mail: CIS Dept, 302 Levine     3330 Walnut St  Philadelphia, PA 19104
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