See the FAQ item I cited. 

Sent from my phone. No type good. 

On Apr 25, 2012, at 11:24 AM, "seshendra seshu" <seshu199@gmail.com> wrote:

Hi
now i have created an used and tried to run the program but i got the following error

[master@ip-10-80-106-70 ~]$ mpirun -n 1 --hostfile hostfile out                                                                                                        
out: error while loading shared libraries: libmpi_cxx.so.0: cannot open shared object file: No such file or directory


thanking you



On Wed, Apr 25, 2012 at 5:12 PM, Jeff Squyres <jsquyres@cisco.com> wrote:
On Apr 25, 2012, at 11:06 AM, seshendra seshu wrote:

> so should i need to create an user and run the mpi program. or how can i run in cluster

It is a "best practice" to not run real applications as root (e.g., MPI applications).  Create a non-privlidged user to run your applications.

Then be sure to set your LD_LIBRARY_PATH if you installed Open MPI into a non-system-default location.  See this FAQ item:

   http://www.open-mpi.org/faq/?category=running#adding-ompi-to-path

--
Jeff Squyres
jsquyres@cisco.com
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M.L.N.Seshendra
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