Might be a perms issue since you didn't use SSH key copy. Check to make sure the. SSH sir in the users home dir is 640 On Mar 30, 2012 9:19 AM, "Acero Fernandez Alicia" <alicia.acero@xxxxxxxxx> wrote: -----Mensaje original----- De: Acero Fernandez Alicia Enviado el: viernes, 30 de marzo de 2012 15:13 Para: 'redhat-list@xxxxxxxxxx' Asunto: Ssh passwordless configuration problem Hi, I have installed the following version of openssh in my cluster: openssh-5.3p1-70.el6.x86_64 openssh-server-5.3p1-70.el6.x86_64 I am trying to configure ssh to allow users to run mpi programs in my cluster, then I need to configure ssh properly. I have tried the following: 1.- I have created the /etc/ssh/ssh_known_hosts file using ssh-keygen -t rsa hostname 2.- Client configuration /etc/ssh/ssh_config RhostsAuthentication yes RhostsRSAAuthentication yes HostbasedAuthentication yes EnableSSHKeysign yes 3.- Server configuration /etc/ssh/sshd_config RhostsAuthentication yes RhostsRSAAuthentication yes HostbasedAuthentication yes PAMAuthenticationViaKbdInt yes 4.-Copy etc/ssh/ssh_known_hosts in all the cluster nodes 5.- Create the /etc/ssh/shosts.equiv with the name of all the cluster nodes. But, it doesn´t work, what can i do? Can anyone help me? Regards, Alicia Acero -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list