Kubernetes: modify a secret using kubectl?

Question

How can I modify the values in a Kubernetes secret using kubectl?

I created the secret with kubernetes create secret generic, but t

Answer 1

Deriving from 'Skeeves' answer:

Base64 encode your value:
echo -n 'encode_My_Password' | base64
Open the secret in edit mode:
kubectl edit secret my-secret

The default editor will open, replace the value of an exiting key or add a new line and a new key with the encoded value. Save and close the file. The updated value or new key-value pair has now been added to the secret.