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

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