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oam/examples/vagrant/beowulf cluster/README.md
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Beowulf cluster example

Table of contents

  1. Requirements

Requirements

  • VirtualBox

  • A host-only virtual network (VirtualBox Host-Only Ethernet Adapter, address space 192.168.56.0/24)

  • An SSH key pair (files id_ed25519 and id_ed25519.pub, create it with the command below)

    ssh-keygen -f 'id_ed25519' -N '' -C 'controller'

  • An SSH config file (ssh_config.txt)

  • A list of hosts for MPICH (mpi_hosts.txt) containing the IP addresses of the workers

When up, execute the command below and enjoy:

vagrant ssh -c 'mpiexec -f mpi_hosts -n 3 hostname'