[mpich-discuss] ssh passwordless works fine, but mpdboot still needs password.

[Pavan Balaji]

On 07/17/2011 04:45 AM, Reuti wrote:
>> ubuntu 11.04
>> mpich2-1.0.8
>
> Please try the latest version 1.4 which doesn't use mpd any longer
> but a daemonless startup of the tasks on slave nodes. You can
> compile it on your into $HOME/local/mpich2-1.4 or alike and set an
> appropriate PATH  thereto.
>
> Was the 1.0.8 instealled ubuntu by default?

Just some more details on Reuti's reply. Once you install the new 
version of MPICH2, here are the usage instructions for mpiexec: 
http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager

Btw, Ubuntu 11.04 uses MPICH2 1.3.x, which still has Hydra. So you can 
do "apt-get install mpich2 libmpich2-dev".

  -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji