Running tcpdump inside a OpenShift 4 pod with SSH access to the nodes

Updated -
  • SSH to the node

  • Start a toolbox container with the toolbox command.

  • If you want to capture from a pod, you can follow these steps.
    For OCP 4.8 and lower:

    # NAME=<pod-name>
    # NAMESPACE=<pod-namespace>
    # pod_id=$(chroot /host crictl pods --namespace ${NAMESPACE} --name ${NAME} -q)
    # pid=$(chroot /host bas...

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