Schedule a pod as follows:
Name: nginx-kusc00101
Image: nginx
Node selector: disk=ssd
Answer: See the solution below.
Explanation:
solution
Create a Kubernetes secret asfollows:
Name: super-secret
password: bob
Create a pod namedpod-secrets-via-file, using theredisImage, which mounts a secret
namedsuper-secretat/secrets.
Create a second pod namedpod-secrets-via-env, using theredisImage, which exports
passwordasCONFIDENTIAL
Answer: See the solution below.
Explanation:
solution
Create a deployment spec file thatwill:
Launch 7 replicas of thenginxImage with the labelapp_runtime_stage=dev
deployment name:kual00201
Save a copy of this spec file to/opt/KUAL00201/spec_deployment.yaml
(or/opt/KUAL00201/spec_deployment.json).
When you are done, clean up (delete)any new Kubernetes API object thatyou produced
during this task
Answer: See the solution below.
Explanation:
solution
Create a pod that echo “hello world” and then exists. Have the pod deleted automatically
when it’s completed
Answer: See the solution below.
Explanation:
kubectl run busybox -image=busybox -it -rm -restart=Never -
/bin/sh -c 'echo hello world'
kubectl get po # You shouldn't see pod with the name "busybox"
List all the pods showing name and namespace with a json path expression
Answer: See the solution below.
Explanation:
kubectl get pods -o=jsonpath="{.items[*]['metadata.name',
'metadata.namespace']}"
A Kubernetes worker node, namedwk8s-node-0is in stateNotReady.Investigate why this is
the case, andperform any appropriate steps tobring the node to aReadystate,ensuring that
any changes are madepermanent.
You cansshto the failednode using:
[student@node-1] $ | sshWk8s-node-0
You can assume elevatedprivileges on the node with thefollowing command:
[student@w8ks-node-0] $ |sudo –i
Check the Image version of nginx-dev pod using jsonpath
Answer: See the solution below.
Explanation:
kubect1 get po nginx-dev -o
jsonpath='{.spec.containers[].image}{"\n"}'
Print pod name and start time to “/opt/pod-status” file
Answer: See the solution below.
Explanation:
kubect1 get pods -o=jsonpath='{range items[*]}{.metadata.name}{"\t"}{.status.podIP}{"\n"}{end}'
Create a busybox pod that runs the command “env” and save the output to “envpod” file
List all the pods sorted by name
Answer: See the solution below.
Explanation:
kubect1 get pods -sort-by=.metadata.name
Check the image version in pod without the describe command
Answer: See the solution below.
Explanation:
kubectl get po nginx -o
jsonpath='{.spec.containers[].image}{"\n"}'
Get list of all pods in all namespaces and write it to file “/opt/pods-list.yaml”
Answer: See the solution below.
Explanation:
kubectl get po –all-namespaces > /opt/pods-list.yaml
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