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Subject: Re: [OMPI users] how to get openMPI working, someone help me.
From: Dirk Eddelbuettel (edd_at_[hidden])
Date: 2008-11-18 08:24:02

On 18 November 2008 at 17:06, Venu Gopal wrote:
| Hello,
| I am new into this mailing list, and am trying to install openMPI on Ubuntu

(That's not an existing version number.)
| Basically my idea is to build a beowulf. Well right now i even dont have
| lots of PC's for this purpose.
| So I am planning to first use virtual machines on VmWare. I have installed
| around four Virtual machines on my PC. And all of them can talk to each
| other. I mean they are all networked together without any firewalls in
| between.
| I downloaded openmpi-1.2.8.tar.gz, extracted it and executed the configure
| script file.
| This gave me lots of errors, and didnt suceed. How do I get this working
| now.

Open MPi is packaged for Debian and hence part of Ubuntu. So just do:

   $ sudo apt-get install libopenmpi1 linopenmpi-dev openmpi-bin openmpi-doc

In Ubuntu 8.10, this gives you Open MPI 1.2.7. In Ubuntu 8.4, you're at a
slightly older version so I suggest upgrading.

In case you really want 1.2.8, by far the easiest way (and also most general)
is to just grab the Debian source from 'Debian unstable' and rebuild on your
system to match your libraries. That can be quasi-automated, see 'apt-get
source' and use google as this is getting off-topic for this list.

Hope this helps,

(one of severap Debian Open MPI maintainers)

Three out of two people have difficulties with fractions.