Openshift 3 system:admin user access

Solution Verified - Updated -

Issue

  • ~.kube/config file was corrupted or deleted on my master.
  • How can I log in as system:admin from a remote system?
  • How can I rebuild ~/.kube/config file with system:admin certificate data?
  • While trying to login as "system:admin" user to OpenShift Container Platform terminal fails with error:

    # oc login -u "system:admin"
    Authentication required for https://master.example.com:8443 (openshift)
    Username: system:admin
    Password: 
    error: username system:admin is invalid for basic auth
    

Environment

OpenShift 3.x+

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