To install bash completion for your kubectl
Get your kubectl client version
kubectl version -c
Get the completion script for the corresponding to your kubectl version.
Ubuntu
curl -sSL https://raw.githubusercontent.com/kubernetes/kubernetes/$(kubectl version -c | grep -o -P '(?<=GitCommit:").*(?=",)')/contrib/completions/bash/kubectl | sudo tee /etc/bash_completion.d/kubectl
Mac
brew install bash-completion
curl -sSL https://raw.githubusercontent.com/kubernetes/kubernetes/$(kubectl version -c | grep -o -P '(?<=GitCommit:").*(?=",)')/contrib/completions/bash/kubectl > /usr/local/etc/bash_completion.d/kubectl
