Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] UC Permission denied, please try again.
From: Reuti (reuti_at_[hidden])
Date: 2012-08-02 07:30:23


Am 02.08.2012 um 10:09 schrieb John Hearns:

> On 02/08/2012, Syed Ahsan Ali <ahsanshah01_at_[hidden]> wrote:
>> Yes the issue has been diagnosed. I can ssh them but they are asking for
>> passwords
>
> You need to configure 'passwordless ssh'

Or ask the admin to provide it by hostbased authentication if this is feasible in your environment. For the admin it's a one-time setup, and users don't have to think about it any longer.

-- Reuti

> Can we assume that your home directory is shared across all cluster nodes?
> That means when you log into a cluster node the directory which is
> your Unix 'home directory' has exactly the same files as on the
> cluster head node?
>
> Then you need to configure passwordless ssh
> Use this as a starting point:
> http://www.open-mpi.org/faq/?category=rsh#ssh-keys
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users