Kubernetes 101 - Part9 - kubeconfig certificate expiration

You can verify the expiration date of kubeconfig in the current context as follows:

kubectl config view --minify --raw --output 'jsonpath={..user.client-certificate-data}' | base64 -d | openssl x509 -noout -enddate

❯ k config current-context
sc2-01-vcxx
❯
❯ kubectl config view --minify --raw --output 'jsonpath={..user.client-certificate-data}' | base64 -d | openssl x509 -noout -enddate
notAfter=Sep  6 05:13:47 2023 GMT
❯
❯ date
Thu Sep  7 18:05:52 IST 2023
❯

Hope it was useful. Cheers!