To get you running, just setup ssh keys that have empty passphrases. Then you don't need ssh-agent.
To setup ssh keys that have non-empty passphrases and get ssh-agent working properly, google around for ssh tutorials (there are many fine ones available) -- that's a bit out of scope for this list. On Apr 25, 2012, at 12:47 PM, seshendra seshu wrote: > Hi, > I have read the FAQ for ssh and followed it but i have got the following error > > [master@ip-10-80-106-70 .ssh]$ eval 'ssh-agent' > > > SSH_AUTH_SOCK=/tmp/ssh-MOnArn9942/agent.9942; export SSH_AUTH_SOCK; > SSH_AGENT_PID=9943; export SSH_AGENT_PID; > echo Agent pid 9943; > [master@ip-10-80-106-70 .ssh]$ ssh-add $home/master/.ssh/id_dsa > Could not open a connection to your authentication agent. > > > so how can i solve it. > > > Thanking you > > With Regards > seshendra > > On Wed, Apr 25, 2012 at 6:16 PM, Jeff Squyres <jsquy...@cisco.com> wrote: > I would really suggest doing a little reading in the FAQ. It talks about > setting up ssh keys, etc. > > http://www.open-mpi.org/faq/?category=rsh > > > On Apr 25, 2012, at 12:03 PM, seshendra seshu wrote: > > > Hi, > > Thanks its has worked but when i tried to run for a 2 nodes , i have got > > the following error > > > > [master@ip-10-80-106-70 ~]$ 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/ > > > _______________________________________________ > 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/
