How to debug “ImagePullBackOff”?

You can use the ‘describe pod‘ syntax For OpenShift use: For vanilla Kubernetes: Examine the events of the output. In my case it shows Back-off pulling image unreachableserver/nginx:1.14.22222 In this case the image unreachableserver/nginx:1.14.22222 can not be pulled from the Internet because there is no Docker registry unreachableserver and the image nginx:1.14.22222 does not exist. … Read more