newbie, PVM setup

[Andrew Shewmaker]

Jayne,

It may be that the pam configuration for rsh is preventing authentication.
The file is probably /etc/pam.d/rsh.  The following links should help you
understand if you need to change anything (even though the last two are
for RedHat they should still apply).

http://www.kernel.org/pub/linux/libs/pam/Linux-PAM-html/pam.html

http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/ref-guide/s1-pam-config-files.html

http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/ref-guide/s1-pam-rexec.html

Andrew Shewmaker


Heger The Horrible wrote:

> Hiya,
> 
> I am a newbie to setting up Beowulf's.
> Am doing one currently for my final year project at university.
> 
> Anyway, I have installed SuSE 7.2 on 4 nodes, (P100's)., and have installed 
> pvm when I was doing the installation of SuSE.
> 
> I can get the pvm>, so assume pvm is working correctly. I can conf, to see 
> the master node. What I cannot do however is add hostname. When I do, I get 
> this message (see below message)
> I have installed pvm on the slave nodes in the same way as I did for the 
> master, and can get pvm> on each of them.
> I have edited hosts.equiv, and hosts.allow for each of them.
> 
> I'd be very grateful if anyone could help me. I am a newbie in Beowulf's as I 
> said before, so hopefully its something simple to you guys/girls.
> 
> Many Thanks
> 
> Jayne Heger
> 
> pvm>add tiger
> add tiger
> 0 successful
>                     HOST     DTID
>                    tiger Can't start pvmd
> 
> Auto-Diagnosing Failed Hosts...
> tiger...
> Verifying Local Path to "rsh"...
> Rsh found in /usr/bin/rsh - O.K.
> Testing Rsh/Rhosts Access to Host "tiger"...
> 
> Rsh/Rhosts Access FAILED - "tiger: Connection refused"
> Make sure host tiger is up and connected to
> a network and check its DNS / IP address.
> Also verify that tabby is allowed
> rsh access on tiger
> Add this line to the $HOME/.rhosts on tiger:
> tabby jayne
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