Dear Reuti Then what I should do? I am novice in ssh, OpenMPI. Can you direct me little bit further? I am quite confused. Thank you
> From: re...@staff.uni-marburg.de > Date: Wed, 11 Jan 2012 12:31:07 +0100 > To: us...@open-mpi.org > Subject: Re: [OMPI users] Passwordless ssh > > Hi, > > Am 11.01.2012 um 05:46 schrieb Ralph Castain: > > > You might want to ask that on the Beowulf mailing lists - I suspect it has > > something to do with the mount procedure, but honestly have no real idea > > how to resolve it. > > > > On Jan 10, 2012, at 8:45 PM, Shaandar Nyamtulga wrote: > > > >> Hi > >> I built Beuwolf cluster using OpenMPI reading the following link. > >> http://techtinkering.com/2009/12/02/setting-up-a-beowulf-cluster-using-open-mpi-on-linux/ > >> I can do ssh to my slave nodes without the slave mpiuser's password before > >> mounting my slaves. > >> But when I mount my slaves and do ssh, the slaves ask again their > >> passwords. > >> Master and slaves' ssh directory and authorized_keys have permission 700, > >> 600 respectively and > >> they owned only by owner mpiuser through chown.RSA has no passphrase. > > it sounds like the ~/.ssh/authorized_keys on the master isn't containing its > own public key (as in a plain sever you don't need it). Hence if you mount it > on the slaves, it's missing again. > > -- Reuti > > > >> Please help me on this matter. > >> > >> _______________________________________________ > >> 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 > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
