02-Mock-Exam-1.md

Mock Exam 1

Test My Knowledge, Take me to Mock Exam 1

Solution to the Mock Exam 1

1. Apply below Manifests

   apiVersion: v1
   kind: Pod
   metadata:
     creationTimestamp: null
     labels:
       run: nginx-pod
     name: nginx-pod
   spec:
     containers:
     - image: nginx:alpine
       name: nginx-pod
       resources: {}
     dnsPolicy: ClusterFirst
     restartPolicy: Always
   status: {}
   

2. Run below command which create a pod with labels

   kubectl run messaging --image=redis:alpine --labels=tier=msg
   

3. Run below command to create namespace

   kubectl create namespace apx-x9984574
   

4. Use the below command which will redirect the o/p

   kubectl get nodes -o json > /opt/outputs/nodes-z3444kd9.json
   

5. Execute below command which will expose the pod on port 6379

   kubectl expose pod messaging --port=6379 --name messaging-service
   

6. Apply below manifests

   apiVersion: apps/v1
   kind: Deployment
   metadata:
     creationTimestamp: null
     labels:
       app: hr-web-app
     name: hr-web-app
   spec:
     replicas: 2
     selector:
       matchLabels:
         app: hr-web-app
     strategy: {}
     template:
       metadata:
         creationTimestamp: null
         labels:
           app: hr-web-app
       spec:
         containers:
         - image: kodekloud/webapp-color
           name: webapp-color
           resources: {}
   status: {}
   

7. To Create a Static pod, copy it to the static-pods folder in this case it is /etc/kubernetes/manifests

   apiVersion: v1
   kind: Pod
   metadata:
     creationTimestamp: null
     labels:
       run: static-busybox
     name: static-busybox
   spec:
     containers:
     - command:
       - sleep
       - "1000"
       image: busybox
       name: static-busybox
       resources: {}
     dnsPolicy: ClusterFirst
     restartPolicy: Always
   status: {}
   

8. Run below command to create a pod in namespace finance

   kubectl run temp-bus --image=redis:alpine -n finance
   

9. Run below command and troubleshoot step by step

   kubectl describe pod orange
   

   Export the running pod using below command and correct the spelling of the command sleeeep to sleep

   kubectl get pod orange -o yaml > orange.yaml
   

   Delete the running Orange pod and recreate the pod using command.

   kubectl delete pod orange
   kubectl create -f orange.yaml
   

10. Apply Below manifests

    apiVersion: v1
    kind: Service
    metadata:
      creationTimestamp: null
      labels:
        app: hr-web-app
      name: hr-web-app-service
    spec:
      ports:
      - port: 8080
        protocol: TCP
        targetPort: 8080
        nodePort: 30082
      selector:
        app: hr-web-app
      type: NodePort
    status:
      loadBalancer: {}
    

11. Run the below command to redirect the o/p.

    kubectl get nodes -o jsonpath='{.items[*].status.nodeInfo.osImage}' > /opt/outputs/nodes_os_x43kj56.txt
    

12. Apply the below manifest to create PV

    apiVersion: v1
    kind: PersistentVolume
    metadata:
      name: pv-analytics
    spec:
      capacity:
        storage: 100Mi
      volumeMode: Filesystem
      accessModes:
        - ReadWriteMany
      hostPath:
          path: /pv/data-analytics