[Beowulf] Re: [Ilugc] LAM/MPI Setup

70uf33q Hu5541n topa_007 at yahoo.com
Wed Jan 21 02:23:02 EST 2004


hi karthick,

will try out your solution.

anyway the error I got was 

ssh_exchange_identification : Coneection refused by
host.

I edited my /etc/sshd/sshd_config entries to "no"
where all Authentication was needed.Still same problem

need help badly.

Toufeeq
--- Karthik <karthik at siptech.co.in> wrote:
> I have had a successful LAM/MPI cluster some time
> back.  Here are the steps 
> that I have figured out after many unsuccessful
> attempts.  These steps are my 
> quickest way to have a LAM/MPI cluster.
> 
> 1.Install Linux in the Master node
> 2.Set Hostname and domainname
> 3.Setup the Master node as NIS server
> 4.Export /usr, /home directories.
> 5.Add a user for cluster, say kluster.
> 6.Update the NIS maps.
> 7.Install lam-mpi in Master under /usr/local
> 8.Install NPB in /usr/npb
> 9.Check the path for mpicc and lam* executables.
> 10.In Master: login as kluster.
> 11.Create a text file lamhosts in ~/ with:
> LMIT3     #Master Node
> Node1      #Slave Node
> 12.Install Linux in Slave node node1.
> 13.Make slave to mount /home, /usr with NFS.
> 14.Setup NIS ypbind in node1.
> 15.Check whether NIS is OK by using ypcat.
> 16.In node1:  Login as kluster.
> 17.Type recon –v lamhosts in master to check
> whether the cluster is bootable.
> 18.Type lamboot –v lamhosts in Master to start lam
> on the cluster.
> 19.From Master, type tping –c5 N to ping the
> entire cluster (use this to check 
> the cluster is OK).
> 20.In Master: mpirun N progname or mpirun –lamd N
> progname to run the progname 
> on all nodes.  The second command used lamd to run
> the program.
> 
> 
> 
> On Tuesday 20 January 2004 23:45, 70uf33q Hu5541n
> wrote:
> > hi all,
> >
> > Have been trying (unsuccessfully) to run LAM/MPI
> on my
> > 2 node network. But when I run lamboot, it says
> > Permission Denied.
> >
> > the <hostfile> and the network is configured
> properly.
> >
> > Also the problem is with ssh. Earlier I had the
> same
> > problem with rsh. I sorted it out by adding:
> >
> > in.rshd 192.168.0. and in.rlogind 192.168.0.
> >
> > although I have also added sshd 192.168.0. to the
> > /etc/hosts.allow file I get the ssh error.
> >
> > I got the above <fix> from Google, if anyone has a
> > better solution please help.
> >
> > Thank You
> >
> > Toufeeq
> >
> >
> > =====
> > "Love is control,I'll die if I let go
> > I will only let you breathe
> > My air that you receive
> > Then we'll see if I let you love me."
> > -James Hetfield
> > All Within My Hands,St.Anger
> > Metallica
> >
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> >
> > .
> 
> -- 
> Karthik M
> System Administrator - Infrastructure Team
> 
> SIP Technologies & Exports Limited,
> G4, Elnet Software City, CPT Road,
> Taramani, Chennai 600 113,
> INDIA.
> 
> Phone: +91-44-22541401
> +91-44-22541031
> Fax:   +91-44-22541475
> 
> Website: http://www.siptech.com
> 
> 
> . 
> 
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=====
"Love is control,I'll die if I let go
I will only let you breathe
My air that you receive
Then we'll see if I let you love me."
-James Hetfield
All Within My Hands,St.Anger
Metallica

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