Linux Foundation Exam CKS Topic 6 Question 65 Discussion

Actual exam question for Linux Foundation's CKS exam

Question #: 65
Topic #: 6

Context: Cluster:gvisor Master node:master1 Worker node:worker1

You can switch the cluster/configuration context using the following command:

[desk@cli] $kubectl config use-context gvisor

Context:This cluster has been prepared to support runtime handler, runsc as well as traditional one.

Task: Create a RuntimeClass namednot-trustedusing the prepared runtime handler namesrunsc. Update all Pods in the namespace server to run onnewruntime.

AExplanation:

Explanation
[desk@cli] $vim runtime.yaml
apiVersion: node.k8s.io/v1
kind: RuntimeClass
metadata:
name: not-trusted
handler: runsc
[desk@cli] $k apply -f runtime.yaml
[desk@cli] $k get pods
NAME READY STATUS RESTARTS AGE
nginx-6798fc88e8-chp6r 1/1 Running 0 11m
nginx-6798fc88e8-fs53n 1/1 Running 0 11m
nginx-6798fc88e8-ndved 1/1 Running 0 11m
[desk@cli] $k get deploy
NAME READY UP-TO-DATE AVAILABLE AGE
nginx 3/3 11 3 5m
[desk@cli] $k edit deploy nginx

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Suggested Answer: A

by Desirae at Sep 19, 2024, 11:57 AM

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Bettina

3 months ago

Runsc, huh? Sounds like a new superhero in town, ready to save the day from... I don't know, containerized supervillains?

upvoted 0 times

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Desmond

3 months ago

Hmm, the 'not-trusted' runtime, eh? I wonder what kind of shenanigans that one gets up to. Hopefully it doesn't try to hack the master node while we're not looking!

upvoted 0 times