I would really suggest doing a little reading in the FAQ. It talks about setting up ssh keys, etc.
http://www.open-mpi.org/faq/?category=rsh On Apr 25, 2012, at 12:03 PM, seshendra seshu wrote: > Hi, > Thanks its has worked but when i tried to run for a 2 nodes , i have got the > following error > > [master@ip-10-80-106-70 ~]$ mpirun -n 2 --hostfile hostfile out > Permission denied (publickey,gssapi-with-mic). > -------------------------------------------------------------------------- > A daemon (pid 9923) died unexpectedly with status 255 while attempting > to launch so we are aborting. > > There may be more information reported by the environment (see above). > > This may be because the daemon was unable to find all the needed shared > libraries on the remote node. You may set your LD_LIBRARY_PATH to have the > location of the shared libraries on the remote nodes and this will > automatically be forwarded to the remote nodes. > -------------------------------------------------------------------------- > -------------------------------------------------------------------------- > mpirun noticed that the job aborted, but has no info as to the process > that caused that situation. > -------------------------------------------------------------------------- > mpirun: clean termination accomplished > > [master@ip-10-80-106-70 ~]$ > > > so please help me in solving this. > > Thanking you. > > > On Wed, Apr 25, 2012 at 5:48 PM, tyler.bal...@huskers.unl.edu > <tyler.bal...@huskers.unl.edu> wrote: > export LD_LIBRARY_PATH= [location of library] leave out the :$LD_LIBRARY_PATH > From: users-boun...@open-mpi.org [users-boun...@open-mpi.org] on behalf of > seshendra seshu [seshu...@gmail.com] > Sent: Wednesday, April 25, 2012 10:43 AM > To: Open MPI Users > Subject: Re: [OMPI users] regarding the problem occurred while running anmpi > programs > > Hi > I have exported the library files as below > > [master@ip-10-80-106-70 ~]$ export > LD_LIBRARY_PATH=/usr/local/openmpi-1.4.5/lib:$LD_LIBRARY_PATH > > [master@ip-10-80-106-70 ~]$ mpirun --prefix /usr/local/openmpi-1.4.5 -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 > [master@ip-10-80-106-70 ~]$ mpirun --prefix /usr/local/lib/ -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 > > But still iam getting the same error. > > > > > > On Wed, Apr 25, 2012 at 5:36 PM, Jeff Squyres (jsquyres) <jsquy...@cisco.com> > wrote: > See the FAQ item I cited. > > Sent from my phone. No type good. > > On Apr 25, 2012, at 11:24 AM, "seshendra seshu" <seshu...@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 <jsquy...@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 >> jsquy...@cisco.com >> For corporate legal information go to: >> http://www.cisco.com/web/about/doing_business/legal/cri/ >> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users >> >> >> >> -- >> WITH REGARDS >> M.L.N.Seshendra >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > -- > WITH REGARDS > M.L.N.Seshendra > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > -- > WITH REGARDS > M.L.N.Seshendra > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/