[mpich-discuss] mpdboot for ssh with password - a suggestion

[Reuti]

Hi,

Am 05.06.2010 um 16:36 schrieb Pavan Balaji:

> You need to setup passwordless ssh on your system, as described in  
> the README. You can google for "passwordless ssh" to figure out how  
> to do that.
>
> Btw, there's not going to be a next version of MPD -- in the MPICH2  
> 1.3.x series, we have moved to a new process manager called Hydra.  
> But that still requires a passwordless ssh.

instead of using passphraseless ssh-keys, I prefer hostbased- 
authorization in a cluster:

http://gridengine.sunsource.net/howto/hostbased-ssh.html

Maybe this option could also be mentioned somewhere at Open MPI  
besides using passphraseless ssh-keys.

-- Reuti


> -- Pavan
>
> On 06/05/2010 09:32 AM, Swatch Puppy wrote:
>> Hello all,
>> I've been trying to setup a cluster in my university labs, but i  
>> can't do ssh to the others computers without password. This is a  
>> problem if mpdboot is used to start up the mpd ring, because it  
>> will asks for a lot of passwords at the same time.
>> So I've edited the mpdboot python file and added *mpd.wait()* in  
>> line 361 for mpich2 1.0.6, and 375 for mpich2 1.2.1p1, just after  
>> *mpd = Popen4(cmd,0)*, in this way it will ask a password per  
>> connection sequentially.
>> Hope that this can help someone, or affect change in the next  
>> version of mpdboot.
>> The best regards,
>> SwatchPuppy
>> ------------------------------------------------------------------------
>> _______________________________________________
>> mpich-discuss mailing list
>> mpich-discuss at mcs.anl.gov
>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>
> -- 
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
> _______________________________________________
> mpich-discuss mailing list
> mpich-discuss at mcs.anl.gov
> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss