Re: [OMPI users] password-less ssh

2010-02-19 Thread Reuti
Hi, Am 20.02.2010 um 00:11 schrieb Eugene Loh: Okay, yes, setting SSH_AUTH_SOCK is the right thing to do, but this strikes me as clumsy. I'm trying to understand how things should be set up so that I don't have to take special action each time I log in. Do I do some .login/.logout magic?

Re: [OMPI users] password-less ssh

2010-02-19 Thread Eugene Loh
Okay, yes, setting SSH_AUTH_SOCK is the right thing to do, but this strikes me as clumsy. I'm trying to understand how things should be set up so that I don't have to take special action each time I log in. Do I do some .login/.logout magic? Or, why not just go without a DSA passphrase? The

Re: [OMPI users] password-less ssh

2010-02-19 Thread Kenneth Yoshimoto
After you start up ssh-agent once, check env for SSH_AUTH_SOCK If you start a new session and the old ssh-agent is still running, try setting SSH_AUTH_SOCK. I think there are more refined utilities out there to handle this situation... Kenneth On Fri, 19 Feb 2010, Eugene Loh wrote: Date: Fr

[OMPI users] password-less ssh

2010-02-19 Thread Eugene Loh
This is with regards to http://www.open-mpi.org/faq/?category=rsh#ssh-keys It says to check if you have an ssh-agent running. How are you supposed to do that? I've tried "ps -u myusername | grep ssh-agent", but didn't know if that's the proper thing to do. Also, it appears that I do *NOT* h

Re: [OMPI users] Segmentation fault with plenty of RAM

2010-02-19 Thread George Bosilca
Chris, I'm puzzled by the fact that the problem might come from the gfortran compiler. I use it daily on my MAC, with LAPACK and BLAS, and so far I didn't has any strange problems. If it can help I use the gfortran precompiler compiler from MAC HPC (http://hpc.sourceforge.net/). I might have a

Re: [OMPI users] random MPI_UNIVERSE_SIZE and inter-commicator created by MPI_Comm_spawn

2010-02-19 Thread Mathieu Gontier
George, Thank you very much for you well argumented answer. Indeed, I missed something because I used MPI_Comm_remote_size in my spawned application. Mathieu George Bosilca wrote: Mathieu, Your MPI_COMM_UNIVERSE is a inter-communicator, and therefore the MPI_Comm_size and MPI_Com