Hello. i'm working with beowulf around 2 years, but i think that mi knowledge is not enough, so, is posible make a web portal about an beowulf academy? or that exist?
Thanks a lot. > > On Thu, Jul 17, 2008 at 9:55 AM, Eric Thibodeau <[EMAIL PROTECTED]> > wrote: > >> Amir: >> See below, >> >> Mark Kosmowski wrote: >> >> I have a small cluster too (ok, had, I'm condensing to one big RAM >> workstation at the moment). Mine was a 3 node dual Opteron setup. >> >> The first trick is to get each node to be able to ssh to every other >> node without getting a password prompt. It doesn't matter for the >> calculation whether this is done by passwordless ssh or using some >> keychain type applet. All that matters for the calculation is that >> each node be able to ssh without prompt to each other node. This >> means n! checks. For my 3 node baby cluster I did this manually, >> since 3! is 6. More nodes - might want to make a script or something. >> >> >> Here is an example with one-lined "script" for the ssh password less >> logon: >> >> >> http://wiki.neuralbs.com/index.php/Howto_Build_a_Basic_Gentoo_Beowulf_Cluster#Passwordless_Logon_to_the_Nodes_and_Node_List_Creation >> >> Next, you need to make your application parellel. This typically >> involves compiling with some sort of MPI. I use OpenMPI. MPICH is >> another option. This is going to be part of the learning curve. When >> you can <mpirun hostname> and get an output for each CPU (each core?) >> you're ready to start wrestling with an MPI compile of your >> application code. >> >> If you're not used to compiling your own code, there may be a bit of a >> learning curve for this also. >> >> >> Well... once I "finish" my Google Summer of Code project, people like you >> will have a fun playground with graphical examples (as well as serious >> people for serious HPC...but they won't admit to that and keep using RH as >> an OS :P) >> >> http://soc.gentooexperimental.org/projects/show/gentoo-cluster-seed >> >> Good luck! >> >> Mark E. Kosmowski >> >> >> Enjoy, >> >> Eric Thibodeau >> >> Amir, >> Did you try any of the documents referenced at >> wiki,http://en.wikipedia.org/wiki/Beowulf_%28computing%29#See_also? >> >> There is a free downloadable book at Professor Brown's website, start >> athttp://www.phy.duke.edu/~rgb/Beowulf/beowulf.php >> <http://www.phy.duke.edu/%7Ergb/Beowulf/beowulf.php> >> >> And I believe yes, you can use SSH to replace RSH pretty much anywhere. I >> haven't done that myself but I'm only a hobbyist. >> >> Good luck, >> Peter >> >> >> On 7/16/08, Amir Saad <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> wrote: >> >> >> I'm trying to build a small Beowulf cluster using 5 Ubuntu machines. I did >> a lot of search and yet couldn't find a getting started guide. Any ideas? >> >> All the articles I found are using RSH, is it possible to replace this with >> password-less SSH? Would it be possible to use Ubuntu? Which packages should >> I install to build the cluster? >> >> Please advice. >> >> Thank you >> >> Amir >> >> >> >> >> _______________________________________________ >> Beowulf mailing list, Beowulf@beowulf.org >> To change your subscription (digest mode or unsubscribe) visit >> http://www.beowulf.org/mailman/listinfo/beowulf >> >> >> >> _______________________________________________ >> Beowulf mailing list, Beowulf@beowulf.org >> To change your subscription (digest mode or unsubscribe) visit >> http://www.beowulf.org/mailman/listinfo/beowulf >> >> >
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