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NEW QUESTION 36
Create a deployment as follows:
Name: nginx-random
Exposed via a service nginx-random
Ensure that the service & pod are accessible via their respective DNS records The container(s) within any pod(s) running as a part of this deployment should use the nginx Image Next, use the utility nslookup to look up the DNS records of the service & pod and write the output to /opt/KUNW00601/service.dns and /opt/KUNW00601/pod.dns respectively.
Answer:
Explanation:
Solution:
NEW QUESTION 37
Create a deployment named “myapp” that having 2 replicas with
nginx image and expose deployment as service named “myservice”
- A. // Create a YAML Template
kubectl create deploy myapp –image=nginx –dry-run -o yaml >
myapp.yaml
//Update replicas=2 in myapp.yaml file
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: myapp
name: myapp
spec:
replicas: 2
selector:
matchLabels:
app: myapp
template:
metadata:
labels:
app: myapp
spec:
containers:
– image: nginx
name: nginx
// Create deployment
kubectl create -f myapp.yaml
// Creating YAML template for service
kubectl expose deployment myapp –type=ClusterIP –port=60 —
target-port=60 –name=myservice –dry-run -o yaml >
myservice.yaml
YAML File:
apiVersion: v1
kind: Service
metadata:
labels:
app: myapp
name: myservice
spec:
ports:
– port: 60
protocol: TCP
targetPort: 80
selector:
app: myapp
type: ClusterIP
kubectl get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S)
AGE
kubernetes ClusterIP 10.2.0.1 <none> 443/TCP
158d
myservice ClusterIP 10.2.96.175 <none> 80/TCP
40s - B. // Create a YAML Template
kubectl create deploy myapp –image=nginx –dry-run -o yaml >
myapp.yaml
//Update replicas=2 in myapp.yaml file
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: myapp
name: myapp
spec:
replicas: 2
selector:
matchLabels:
app: myapp
template:
metadata:
labels:
app: myapp
spec:
containers:
– image: nginx
name: nginx
// Create deployment
kubectl create -f myapp.yaml
// Creating YAML template for service
kubectl expose deployment myapp –type=ClusterIP –port=80 —
target-port=80 –name=myservice –dry-run -o yaml >
myservice.yaml
YAML File:
apiVersion: v1
kind: Service
metadata:
labels:
app: myapp
name: myservice
spec:
ports:
– port: 80
protocol: TCP
targetPort: 80
selector:
app: myapp
type: ClusterIP
kubectl get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S)
AGE
kubernetes ClusterIP 10.2.0.1 <none> 443/TCP
158d
myservice ClusterIP 10.2.96.175 <none> 80/TCP
40s
Answer: B
NEW QUESTION 38
Get the pods with label env=dev and output the labels
Answer:
Explanation:
kubectl get pods -l env=dev –show-labels
NEW QUESTION 39
Score: 4%
Task
Set the node named ek8s-node-1 as unavailable and reschedule all the pods running on it.
Answer:
Explanation:
SOLUTION:
[student@node-1] > ssh ek8s
kubectl cordon ek8s-node-1
kubectl drain ek8s-node-1 –delete-local-data –ignore-daemonsets –force
NEW QUESTION 40
Create a pod with environment variables as var1=value1.Check the environment variable in pod
Answer:
Explanation:
kubectl run nginx –image=nginx –restart=Never –env=var1=value1
# then
kubectl exec -it nginx — env
# or
kubectl exec -it nginx — sh -c ‘echo $var1’
# or
kubectl describe po nginx | grep value1
NEW QUESTION 41
……
