Configuring a Cluster on AWS

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• Log in to the head node of the cluster (must supply the private SSH key to be allowed in) and run a test

  • pcluster ssh --cluster-name hello-world -i /path/to/keyfile.pem

    • Note: Ben got an error here about Boto3 no longer supporting Python 3.7 after December 3, 2023. Use a different Python?
    • You will need to accept the connection even though the authenticity is not known - just this one time

  • You can look at the EC2 dashboard to see the new instances

  • Create a file called hellojob.sh with the following contents:

    #!/bin/bash
    sleep 30
    echo "Hello World from $(hostname)"