Linux Foundation Exam CKS Topic 1 Question 12 Discussion

Actual exam question for Linux Foundation's CKS exam

Question #: 12
Topic #: 1

a. Retrieve the content of the existing secret nameddefault-token-xxxxxin the testing namespace.

Store the value of the token in the token.txt

b. Create a new secret named test-db-secret in the DB namespace with the following content:

username:mysql

password:password@123

Create the Pod name test-db-pod of image nginx in the namespace db that can access test-db-secret via a volume at path /etc/mysql-credentials

AExplanation:
To add a Kubernetes cluster to your project, group, or instance:
Navigate to your:
Project'sOperations > Kubernetespage, for a project-level cluster.
Group'sKubernetespage, for a group-level cluster.
Admin Area >Kubernetespage, for an instance-level cluster.
ClickAdd Kubernetes cluster.
Click theAdd existing clustertab and fill in the details:
Kubernetes cluster name(required) - The name you wish to give the cluster.
Environment scope(required) - Theassociated environmentto this cluster.
API URL(required) - It's the URL that GitLab uses to access the Kubernetes API. Kubernetes exposes several APIs, we want the ''base'' URL that is common to all of them. For example,https://kubernetes.example.comrather thanhttps://kubernetes.example.com/api/v1.
Get the API URL by running this command:
kubectl cluster-info | grep -E 'Kubernetes master|Kubernetes control plane' | awk '/http/ {print $NF}'
CA certificate(required) - A valid Kubernetes certificate is needed to authenticate to the cluster. We use the certificate created by default.
List the secrets withkubectl get secrets, and one should be named similar todefault-token-xxxxx. Copy that token name for use below.
Get the certificate by running this command:
kubectl get secret <secret name> -o jsonpath='{['data']['ca\.crt']}'

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Suggested Answer: A

by Mitsue at May 05, 2022, 12:29 PM

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