How to run oc command on cluster nodes in OpenShift 4.x

Issue

• oc command fails when it is run from cluster nodes.

$ oc debug node/ip-x-x-x-x.ap-northeast-1.compute.internal     <<<------- Login to node
Starting pod/ip-x-x-x-xap-northeast-1computeinternal-debug ...
To use host binaries, run `chroot /host`
Pod IP: x.x.x.x
If you don't see a command prompt, try pressing enter.
sh-4.4# chroot /host
sh-4.4# oc get pod -n openshift-monitoring     <<<------- Run oc command
error: Missing or incomplete configuration info.  Please point to an existing, complete config file:     <<<-------- It fails!


  1. Via the command-line flag --kubeconfig
  2. Via the KUBECONFIG environment variable
  3. In your home directory as ~/.kube/config

To view or setup config directly use the 'config' command.

• How to run oc command from cluster nodes, instead of bastion hosts, for debugging purpose?