Unable to connect to the server: dial tcp i/o time out

Question

When i run the kubectl version command , I get the following error message.

kubectl version
Client Version: version.Info{Major:\"1\", Minor:\"9\", GitVersion:\"v         


        

Answer 1

Was facing the same problem with accessing GKE master from Google Cloud Shell.

Then I followed this GCloud doc to solve it.

1. Open GCloud Shell

2. Get External IP of the current GCloud Shell with:

   dig +short myip.opendns.com @resolver1.opendns.com

3. Add this External IP into the "Master authorized networks" section of the GKE cluster - with a CIDR suffix of /32

After that, running kubectl get nodes from the GCloud Shell worked right away.