Use kubectl completion <shell> to install tab completion for your shell of choice. For the examples below, we will be installing bash completion on Ubuntu 16.04 LTS.
Single-User
To enable bash completion for a single user, run the following command, and then logout and log back into your shell.
cat > $HOME/.bash_profile << __EOF__ source <(kubectl completion bash) __EOF__
All Users
To enable bash completion for all users, run the following command, and then logout and log back into your shell.
cat > /etc/bash_completion.d/kubectl << __EOF__ source <(kubectl completion bash) __EOF__
Testing it Out
# Simplest case: completing kubectl commands ubuntu@jupytest-master:~$ kubectl <TAB> alpha api-versions auth cluster-info convert create drain explain label patch proxy run taint version annotate apply autoscale completion cordon delete edit expose logs plugin replace scale top wait api-resources attach certificate config cp describe exec get options port-forward rollout set uncordon # Completing resource names: ubuntu@jupytest-master:~$ kubectl get ns <TAB> admin bindtest default jupytest kube-public kube-system support workbench # Build up complex commands very quickly using TAB complete: ubuntu@jupytest-master:~$ kubectl logs -f -n <TAB> admin bindtest default jupytest kube-public kube-system support workbench ubuntu@jupytest-master:~$ kubectl logs -f -n workbench <TAB> ubuntu@jupytest-master:~$ kubectl logs -f -n workbench ndslabs-workbench-5f9df8cdbb-vjqv6 ubuntu@jupytest-master:~$ kubectl logs -f -n workbench ndslabs-workbench-5f9df8cdbb-vjqv6 -c <TAB> apiserver etcd smtp webui