Kubectx and Kubens

Install as kubectl plugin

$ kubectl krew install ctx
⋮
Installing plugin: ctx
Installed plugin: ctx
\
 | Use this plugin:
 |  kubectl ctx
 | Documentation:
 |  https://github.com/ahmetb/kubectx
 | Caveats:
 | \
 |  | If fzf is installed on your machine, you can interactively choose
 |  | between the entries using the arrow keys, or by fuzzy searching
 |  | as you type.
 |  | See https://github.com/ahmetb/kubectx for customization and details.
 | /
/
WARNING: You installed plugin "ctx" from the krew-index plugin repository.
   These plugins are not audited for security by the Krew maintainers.
   Run them at your own risk.

$ kubectl krew install ns
⋮
Installing plugin: ns
Installed plugin: ns
\
 | Use this plugin:
 |  kubectl ns
 | Documentation:
 |  https://github.com/ahmetb/kubectx
 | Caveats:
 | \
 |  | If fzf is installed on your machine, you can interactively choose
 |  | between the entries using the arrow keys, or by fuzzy searching
 |  | as you type.
 | /
/
WARNING: You installed plugin "ns" from the krew-index plugin repository.
   These plugins are not audited for security by the Krew maintainers.
   Run them at your own risk.