[gridengine users] Newbie question about user authentication in Execution Hosts
reuti at Staff.Uni-Marburg.DE
Tue Nov 29 15:33:43 UTC 2011
Am 29.11.2011 um 16:00 schrieb Ahmet A. Akin:
> We would like to use Open Grid Scheduler in our newly installed small server group (Around 10 physical servers with Ubuntu Server 11.10). We only created users in one single server and at this point we have NOT installed a central authentication mechanism yet (NIS, Ldap or such). We will use this server as Master Host and an Execution Host. We would like to use other servers as Execution Hosts. NFS is installed in all the servers to access their disk space from the server where users are defined.
> Our question is, for Open Grid Scheduler to operate in this server group, do we need to create users in all the nodes (probably using NIS or Ldap) ? Otherwise we just want to allow our users logging in a single server and send jobs from there.
the users must be known on all exechost. E.g. to find their home directory where the job should start. In principle you can copy /etc/passwd to all nodes or sync it using an rsync daemon on the nodes, but often this leads to confusion. It's better to manage them at a central location IMO.
> Thanks in advance for any help. I am not an admin or expert on this issue, so please bear with me.
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