From: Tom Goodale <g00dale@aei-potsdam.mpg.de>
Newsgroups: comp.parallel.mpi
Subject: Re: running mpi programs on linux
Date: Mon, 03 May 1999 15:19:27 +0200
Organization: Max-Planck-Institut fuer Gravitationsphysik
Message-Id: <372DA25F.7679B419@aei-potsdam.mpg.de>
References: <Pine.OSF.4.10.9904281551100.27314-100000@wpi.WPI.EDU>
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Xref: ukc comp.parallel.mpi:5018


Dimitri Lisin wrote:
> 
> Hi.  I have an mpi program which currently runs on SGI, and I am
> trying to port it to redhat linyx with MPICH installed.  It compiles fine,
> but when I try to run it with mpirun using more than one process I get a
> "permission denied" message.
> 
> Any info on why this happens and how to get around it is appreciated.
> 
>         Dimitri Lisin
>         dima@cs.wpi.edu
>         http://molmed.ummed.edu/~dal

You need to setup your .rhosts file to allow you to rsh - can you do

rsh localhost

or 

rsh <machine>

where <machine> is the machine you're on ?

If not, take a gander at man rsh .

I hope this helps.

Tom