[Beowulf] Re: PVM on wireless...

Bill Rankin wrankin at ee.duke.edu
Thu Feb 7 12:15:34 EST 2008


Update.

I got PVM running on my laptop and successfully added one of my  
servers to the hostlist using the command line at the pvm prompt.   
This was over wireless.

The laptop was running pvm 3.4.5-7 rpm under CentOS 5.  The other  
machine had pvm 3.4.4 under CentOS 4.

The main bits seemed to be:

Getting PVM_ROOT=/usr/share/pvm3 and PVM_RSH=ssh set on both sides  
(added to .bashrc).  Checked by doing an 'ssh <remotemachine> export'  
and verified contents.

Rob: do you do host-based authentication under ssh?  I don't, so I  
had to type in my passwords at the 'pvm>' prompt.

Sorry I can't offer anything more.

-bill

On Feb 6, 2008, at 6:18 PM, Bill Rankin wrote:

> I have a home setup similar to yours - a WAP acting as a firewall,  
> dhcp from a linux server.  I have a spare laptop running CentOS, so  
> I'll give it a check tonight to see if mine runs.
>
> Q1: to you have DHCP giving a static address to your laptop based  
> upon it's MAC?
>
> Q2: have you tried this with the PVM 3.4.4 RPMs (I think you  
> mentioned you were running 3.4.5)?
>
> -b
>
>>
>> I can literally snap the same box onto a wire, wait for it to get  
>> an IP
>> number on the wire, and rerun the experiment on the same hardware  
>> and it
>> works perfectly (with a different but identically entered name, of
>> course).  And it is the wireless name that corresponds with the
>> `hostname` (in /etc/sysconfig/network), not that this should  
>> matter (and
>> it doesn't on the wire).
>>
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