CKA CKA Logging and Monitoring

Question 1

How do you view logs from a running pod named 'webapp'?

Accepted Answer

kubectl logs webapp

Answer

kubectl get logs webapp

Answer

kubectl describe logs webapp

Answer

kubectl show logs webapp

Question 2

Which flag streams live log output continuously from a pod?

Accepted Answer

--follow

Answer

--stream

Answer

--live

Answer

--tail

Question 3

How do you view logs from a specific container 'nginx' inside a multi-container pod 'mypod'?

Accepted Answer

kubectl logs mypod -c nginx

Answer

kubectl logs mypod --pod=nginx

Answer

kubectl logs mypod --name=nginx

Answer

kubectl logs nginx mypod

Question 4

How do you retrieve logs from a previously crashed/terminated container in a pod?

Accepted Answer

kubectl logs mypod --previous

Answer

kubectl logs mypod --restart

Answer

kubectl logs mypod --last

Answer

kubectl logs mypod --crashed

Question 5

Where does Kubernetes store container log files on the node by default?

Accepted Answer

/var/log/containers/

Answer

/etc/kubernetes/logs/

Answer

/tmp/kubernetes/logs/

Answer

/run/kubernetes/logs/

Question 6

Which command displays only the last 50 lines of logs from pod 'api'?

Accepted Answer

kubectl logs api --tail=50

Answer

kubectl logs api --lines=50

Answer

kubectl logs api --last=50

Answer

kubectl logs api -n 50