Is it possible to switch podman as the default container runtime in OpenShift 4, instead of CRI-O?

Solution In Progress - Updated -

Issue

  • Replace default container runtime CRI-O with podman in OpenShift Container Platform 4
  • Differences between podman and CRI-O
  • Does crictl utility possess the same functionalities as of podman command-line tool?

Environment

  • OpenShift Container Platform
    • 4.x

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