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25 lines
692 B
Markdown
25 lines
692 B
Markdown
# Beowulf cluster example
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## Requirements:
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- VirtualBox
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- A host-only virtual network (`VirtualBox Host-Only Ethernet Adapter`, address space `192.168.56.0/24`)
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- An SSH key pair (files `id_ed25519` and `id_ed25519.pub`, create it with the command below)
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```sh
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ssh-keygen -f 'id_ed25519' -N '' -C 'controller'
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```
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- An SSH config file ([`ssh_config.txt`][ssh_config.txt])
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- A list of hosts for MPICH ([`mpi_hosts.txt`][mpi_hosts.txt]) containing the IP addresses of the workers
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When up, execute the command below and enjoy:
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```sh
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vagrant ssh -c 'mpiexec -f mpi_hosts -n 3 hostname'
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```
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<!-- internal references -->
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[mpi_hosts.txt]: mpi_hosts.txt
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[ssh_config.txt]: ssh_config.txt
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