From: "Daniel G. Chavarria" <danich@cs.rice.edu>
Newsgroups: comp.parallel.mpi
Subject: Re: Some problems with permissions in other machines.
Date: Mon, 09 Nov 1998 13:02:42 -0600
Organization: CS Dept. Rice University
Message-Id: <36473C52.87B8816D@cs.rice.edu>
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    <3646D0C8.B68B1994@alumnes.eup.udl.es>
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Ferran Eloi wrote:
> 
> > I have some problems with parallel execution of mpich programs, for
> > example,
> 
> First I'm trying to execute the hello_world program in 1 computer and I
> have not any problem,
> then I've tried to execute in 2 machines, but  the execution gives me one
> error, exactly a permission denied;
> my machinefile I think is correct typed,. I'm root on two machines and
> I've copied the executable to the root
> directories of 2 machines.
> 
>     The programs runs in two machines , but whe I'm trying to execute in
> parallel then the error happen.
>  ( the two machines are jupiter-0190  (the local machine) and
> jupiter-0196 (the remote machine) ).
>     My command line is:
> 
> [root@jupiter-0190 /root]# mpirun -echo -machinefile
> /usr/local/mpich/util/machines/machines.LINUX -np 2 hola
> 

Ferran,

	You need to place an .rhosts file on your home directory (root's home
directory in this case), so you can have rsh access between the
machines.

Greetings,

-- 
___________________________________________________________________

Daniel G. Chavarria-Miranda
PhD Student
CS Department, Rice University