Hi, in the solution part of the last question from *practice-test-view-certific . . .

Kubernetes-Slack Discussions
#1

Sairam:
Hi,

in the solution part of the last question from practice-test-view-certificate-details-2 :

> Inspect the kube-api server logs and identify the root cause and fix the issue.
i don’t understand the highlighted part in the screenshot… authentication handshake failed: x509: certificate signed by unknown authority … it doesn’t specify which certificate was signed by unknown authority…

could someone pls explain ?

Screen Shot 2021-08-12 at 2.51.20 PM.png
Screen Shot 2021-08-12 at 2.51.20 PM.png2644×998 302 KB

#2

Sairam:
> This indicates…
i don’t understand what indicates here… how do we know it’s an issue with ETCD CA in specific…?

#3

unnivkn:
This part in the error message answer your question.
image.png

#4

unnivkn:
https://kubernetes.io/docs/tasks/administer-cluster/configure-upgrade-etcd/

#5

Sairam:
thank you @unnivkn