title: gcloud auth activate-service-account logout / revoke / remove / unset
body: <p>I,ve added my service-account successfuly using below command.</p>
  <blockquote>
  <p>gcloud auth activate-service-account --key-file=mycredentialsialreadyhad.json</p>
  </blockquote>
  <p>Now I can't remove or logout from it.</p>
  <p>any help would be greatly appreciated.</p>
  <p>edit:
  i tried this commands and got error</p>
  <blockquote>
  <ol>
  <li>gcloud auth revoke</li>
  </ol>
  <p>ERROR: (gcloud.auth.revoke) Cannot revoke GCE-provided credentials.</p>
  <ol start="2">
  <li>gcloud config configurations delete default</li>
  </ol>
  <p>ERROR: (gcloud.config.configurations.delete) Deleting named configuration failed because configuration [default] is set as active.  Use <code>gcloud config configurations activate</code> to change the active configuration.</p>
  </blockquote>
  <p>edit2: this gcloud cli is on GCP ubuntu VM</p>