title: Copy files between two Google Cloud instances
body: <p>I have two projects in Google Cloud and I need to copy files from an instance in one project to an instance in another project. I tried to using the 'gcloud compute copy-files' command but I'm getting this error:</p>
  
  <pre><code>gcloud compute copy-files test.tgz --project stack-complete-343 instance-IP:/home/ubuntu --zone us-central1-a 
  
  ERROR: (gcloud.compute.copy-files) Could not fetch instance: - Insufficient Permission
  </code></pre>