Linked by Hadrien Grasland on Sun 6th Mar 2011 12:45 UTC, submitted by Petur
Ubuntu, Kubuntu, Xubuntu "In this post I show step-by-step how you can setup your own "Super computer cluster" using Ubuntu MPI Cluster from multiple machines with the goal of bruteforcing strong encrypted passwords with John the Ripper for academic purposes. Owners of quad core machines will also benefit from this setup as the "john" binaries found in the Ubuntu Repositories are compiled to run on only one core. I managed to decrease the time required to crack password hashes using this setup."
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by dacresni on Sun 6th Mar 2011 19:54 UTC
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my teacher did this a couple years ago to teach Paralell programming. We started off with Boost threads, moved on to MPI and finally we talked about GPU computing ( we didn't actually do any, that would be expensive). He used a lab of ubuntu computers running OpenMPI and an NFS shared home directory running on OpenSolaris ZFS. Excuse me while I ... *Yawn* ...

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