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NEW QUESTION # 39
Scale down the deployment to 1 replica
Answer:
Explanation:
kubectl scale deployment webapp -replicas=1 //Verify kubectl get deploy kubectl get po,rs
NEW QUESTION # 40
A Service named my-service' is exposed on port 80 of your Kubernetes cluster. You need to access the service from a specific node in the cluster using its internal IP address. How can you find the internal IP address of the node running a pod associated with 'my-service'?
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Identify the Pod:
- Use 'kubectl get pods -l service=my-service' to list the pods associated with the 'my-service' service. Note the name of the pod.
2. Get the Pod's Node:
- Use 'kubectl describe pod (where is the name of the pod from step 1) to get the details of the pod.
- Look for the 'Node' field, which indicates the node where the pod is running.
3. Get the Node's Internal IP:
- Use 'kubectl get nodes (where is the name of the node from step 2) to get the node details.
- Look for the 'InternallP' field to find the internal IP address of the node.
4. Access the Service:
- Now you can access the 'my-service' service from the identified node using its internal IP address and the service's port (80):
- 'http://:80' (replace with the internal IP obtained in step 3).
5. Important Note: Internal IP addresses are only accessible within the Kubernetes cluster. If you need to access the service from outside the cluster, you'll need to use a public IP or expose the service through a LoadBalancer or Ingress.
NEW QUESTION # 41
Score: 4%
Task
Check to see how many nodes are ready (not including nodes tainted NoSchedule ) and write the number to
/opt/KUSC00402/kusc00402.txt
Answer:
Explanation:
See the solution below.
Explanation
Solution:
kubectl describe nodes | grep ready|wc -l
kubectl describe nodes | grep -i taint | grep -i noschedule |wc -l
echo 3 > /opt/KUSC00402/kusc00402.txt
#
kubectl get node | grep -i ready |wc -l
# taintsnoSchedule
kubectl describe nodes | grep -i taints | grep -i noschedule |wc -l
#
echo 2 > /opt/KUSC00402/kusc00402.txt
NEW QUESTION # 42
Set the node named ek8s-node-1 as unavailable and reschedule all the pods running on it.
Answer:
Explanation:
See the solution below.
Explanation
solution
F:WorkData Entry WorkData Entry20200827CKA19 B.JPG
NEW QUESTION # 43
Create a hostPath PersistentVolume named task-pv-volume with storage 10Gi, access modes ReadWriteOnce, storageClassName manual, and volume at /mnt/data and verify
Answer: A
NEW QUESTION # 44
......
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