There're lots of tutorials for ssh login without password available online. such as
http://linuxproblem.org/art_9.html http://linuxwave.blogspot.com/2007/07/ssh-without-password.html HZ Liu 2010/4/2 Huynh Thuc Cuoc <htc...@gmail.com> > Thank you very much. > After that I try with the mpirun: > [guser1@ioitg2 examples]$ /opt/openmpi/bin/mpirun -np 10 --hostfile > myhosts ring_cxx > gus...@node1.ioit-grid.ac.vn's > password:gus...@node2.ioit-grid.ac.vn<password%3agus...@node2.ioit-grid.ac.vn>'s > password: > > This request passwd to login to nodes, but 2 massages in the line, I can > only success with one node, the 2sd. refussed. > So, how I can do as you advise, to login to each node without being > prompted for a password. ? > What I need to do. Help me. > I run openmpi 1.2.9 supporting SGE (when I buil with --with-sge). I had > tested to buil with 1.3. or 1.4. with this option I saw the error no > recognize --with-sge. Why ? bug or ? While docs README shows that this is > supported. I need this because I run SUN gridengine on may cluster. You have > some ideals ? > Thank you very much. > Sincerely. > HTCuoc > > On Wed, Mar 31, 2010 at 5:43 PM, Jeff Squyres (jsquyres) < > jsquy...@cisco.com> wrote: > >> Yes, you need to install open mpi on all nodes and you need to be able to >> login to each node without being prompted for a password. >> >> Also, not that v1.2.7 is pretty ancient. If you're juist starting with >> open mpi, can you upgrade to the latest version? >> >> -jms >> Sent from my PDA. No type good. >> >> ------------------------------ >> *From*: users-boun...@open-mpi.org <users-boun...@open-mpi.org> >> *To*: us...@open-mpi.org <us...@open-mpi.org> >> *Sent*: Wed Mar 31 03:39:08 2010 >> *Subject*: [OMPI users] Help om Openmpi >> >> Dear all, >> I had install my cluster which the configuration as following: >> - headnode : >> + linux CenOS 5.4, 4 CPUs, 3G RAM >> + sun gridengine sge6.0u12. The headnode is admin and submit node too. >> + Openmpi 1.2.9. In the installation openmpi :.configure >> --prefix=/opt/openmpi --with-sge ...Processes complilation and make was >> fine. >> + I have 2 others nodes which confg. are: 4 CPU, 1 G RAM and on which >> run sgeexecd. >> Testing for SGE on headnode and nodes by qsub was fine. >> When testing openmpi with as folowing: >> [guser1@ioitg2 examples]$ /opt/openmpi/bin/mpirun -np 4 --hostfile >> myhosts hello_cxx >> Hello, world! I am 0 of 4 >> Hello, world! I am 1 of 4 >> Hello, world! I am 3 of 4 >> Hello, world! I am 2 of 4 >> [guser1@ioitg2 examples]$ >> >> The openmpi runs well. >> My file myhosts: >> ioitg2.ioit-grid.ac.vn slots=4 >> node1.ioit-grid.ac.vn slots=4 >> node2.ioit-grid.ac.vn slots=4 >> >> Now for more processes: >> [guser1@ioitg2 examples]$ /opt/openmpi/bin/mpirun -np 6 --hostfile >> myhosts hello_cxx >> gus...@node1.ioit-grid.ac.vn's password: >> -------------------------------------------------------------------------- >> Failed to find the following executable: >> >> Host: node1.ioit-grid.ac.vn >> Executable: hello_cxx >> >> Cannot continue. >> -------------------------------------------------------------------------- >> mpirun noticed that job rank 0 with PID 19164 on node >> ioitg2.ioit-grid.ac.vn exited on signal 15 (Terminated). >> 3 additional processes aborted (not shown) >> [guser1@ioitg2 examples]$ >> >> This is error massage. I was login on node1 successful. >> >> PLS, Help me. What problems I have 9installation, configurations, ...). >> Have I install openmpi on all nodes ? >> >> Thank you very much and I am waitting your helps. >> >> >> >> >> _______________________________________________ >> 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 >
