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QUESTION: 31

Create a Pod with three busy box containers with commands "ls; sleep 3600;", "echo Hello World; sleep 3600;" and "echo this is the third container; sleep 3600" respectively and check the status

Solution:

// first create single container pod with dry run flag kubectl run busybox --image=busybox --restart=Always --dry-run -o yaml -- bin/sh -c "sleep 3600; ls" > multi-container.yaml // edit the pod to following yaml and create it
apiVersion: v1
kind: Pod
metadata:
labels:
run: busybox
name: busybox
spec:
containers:
- args:
- bin/sh
- -c
- ls; sleep 3600
image: busybox
name: busybox-container-1
- args:
- bin/sh
- -c
- echo Hello world; sleep 3600
image: busybox
name: busybox-container-2
- args:
- bin/sh
- -c
- echo this is third container; sleep 3600
image: busybox
name: busybox-container-3
restartPolicy: Always
// Verify
Kubectl get pods

Answer(s): A

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QUESTION: 32

Check logs of each container that "busyboxpod-{1,2,3}"

Solution:

kubectl logs busybox -c busybox-container-1
kubectl logs busybox -c busybox-container-2
kubectl logs busybox -c busybox-container-3

Answer(s): A

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Create a Pod with main container busybox and which executes this "while true; do echo `Hi I am from Main container' >> /var/log/index.html; sleep 5; done" and with sidecar container with nginx image which exposes on port 80. Use emptyDir Volume and mount this volume on path /var/log for busybox and on path /usr/share/nginx/html for nginx container. Verify both containers are running.

Solution:

// create an initial yaml file with this
kubectl run multi-cont-pod --image=busbox --restart=Never -- dry-run -o yaml > multi-container.yaml
// edit the yml as below and create it
kubectl create -f multi-container.yaml
vim multi-container.yaml
apiVersion: v1
kind: Pod
metadata:
labels:
run: multi-cont-pod
name: multi-cont-pod
spec:
volumes:
- name: var-logs
emptyDir: {}
containers:
- image: busybox
command: ["/bin/sh"]
args: ["-c", "while true; do echo 'Hi I am from Main container' >> /var/log/index.html; sleep 5;done"]
name: main-container
volumeMounts:
- name: var-logs
mountPath: /var/log
- image: nginx
name: sidecar-container
ports:
- containerPort: 80
volumeMounts:
- name: var-logs

mountPath: /usr/share/nginx/html
restartPolicy: Never
// Create Pod
kubectl apply -f multi-container.yaml
//Verify
kubectl get pods

Answer(s): A

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QUESTION: 34

Exec into both containers and verify that main.txt exist and

Solution:
NEED TO WRITE ANSWER FOR THIS

Answer(s): A

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QUESTION: 35

Create an nginx pod and set an env value as 'var1=val1'. Check the env value existence within the pod

Solution:

kubectl run nginx --image=nginx --restart=Never --env=var1=val1 # then
kubectl exec -it nginx -- env
# or
kubectl exec -it nginx -- sh -c 'echo $var1'
# or
kubectl describe po nginx | grep val1
# or
kubectl run nginx --restart=Never --image=nginx --env=var1=val1 -it --rm env

Answer(s): A

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Free CKA Exam Braindumps
Certified Kubernetes Administrator Questions 31–35 (page: 8)

QUESTION: 31

QUESTION: 32

QUESTION: 33

QUESTION: 34

QUESTION: 35

Free CKA Exam Braindumps Certified Kubernetes Administrator Questions 31–35 (page: 8)

QUESTION: 31

QUESTION: 32

QUESTION: 33

QUESTION: 34

QUESTION: 35

Free CKA Exam Braindumps
Certified Kubernetes Administrator Questions 31–35 (page: 8)