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R and Python programs

Before you start

Goal

  • Run R and Python on a worker node.

Prerequisites

  • A configured Hub server.
  • A configured worker node.
  • Administration privileges for the server host and worker node.

Configuration for R and Python programs

In order to execute R and Python programs on the worker node, some environment variables must be configured in the hub configuration file [etc directory]/nomad_plugin.yaml.

Create a copy of the file [etc directory]/nomad_plugin_default.yaml if it does not exist and check the ownership and permissions are correct.

Append the following section to that file, substituting the correct paths if different from those shown in this example: 

env:
  PYTHONHOME: /opt/anaconda
  PYTHONLIB: /opt/anaconda/lib/libpython3.8.so.1.0
  R_HOME: /usr/lib64/R