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: John Hearns (hearnsj_at_[hidden])
Date: 2012-08-02 04:09:48


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'

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