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Installing the Amazon ParallelCluster command line interface (CLI) - Amazon ParallelCluster
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

This documentation references Amazon ParallelCluster. For running HPC and AI workloads, we recommend Amazon Parallel Computing Service (Amazon PCS), our managed Slurm service that lets you focus on running your workloads rather than managing infrastructure.

Installing the Amazon ParallelCluster command line interface (CLI)

Amazon ParallelCluster is distributed as a Python package and is installed using the Python pip package manager. For instructions on how to install Python packages, see Installing packages in the Python Packaging User Guide.

Ways to install Amazon ParallelCluster:

You can find the version number of the most recent CLI on the releases page on GitHub. In this guide, the command examples assume that you have installed a version of Python that is later than version 3.9. The pip command examples use the pip3 version.

Manage both Amazon ParallelCluster 2 and Amazon ParallelCluster 3

If you use both Amazon ParallelCluster 2 and Amazon ParallelCluster 3 and want to manage the CLIs for both packages, we recommend that you install Amazon ParallelCluster 2 and Amazon ParallelCluster 3 in different virtual environments. This ensures that you can continue using each version of Amazon ParallelCluster and any associated cluster resources.