K8s 학습자료

1 개요[ | ]

k8s 학습자료
CKA 학습자료

#	Q	비고
	Create a node that has a SSD and label it as such.	disktype ssd
	Create a pod that is only scheduled on SSD nodes.	disktype ssd
	Create 2 pod definitions: the second pod should be scheduled to run anywhere the first pod is running - 2nd pod runs alongside the first pod.	affinity
	Create a deployment running nginx version 1.12.2 that will run in 2 pods Scale this to 4 pods. Scale it back to 2 pods. Upgrade this to 1.13.8 Check the status of the upgrade How do you do this in a way that you can see history of what happened? Undo the upgrade	kubectl scale kubectl rolling-update kubectl rollout history kubectl rollout undo
	Create a service that uses a scratch disk. Change the service to mount a disk from the host. Change the service to mount a persistent volume.	emptyDir use PersistentVolume
	Create a pod that has a liveness check	liveness
	Create a service that manually requires endpoint creation - and create that too	service endpoint
	Create a daemon set Change the update strategy to do a rolling update but delaying 30 seconds between pod updates	rolling update DaemonSet
	Create a static pod	static pod
	Create a busybox container without a manifest. Then edit the manifest.	kubectl create pod
	Create a pod that uses secrets Pull secrets from environment variables Pull secrets from a volume Dump the secrets out via kubectl to show it worked	secretName
	Create a job that runs every 3 minutes and prints out the current time.	create CronJob
	Create a job that runs 20 times, 5 containers at a time, and prints "Hello parallel world"	parallelism
	Create a service that uses an external load balancer and points to a 3 pod cluster running nginx.	external load balancer
	Create a horizontal autoscaling group that starts with 2 pods and scales when CPU usage is over 50%.	cpu-percent
	Create a custom resource definition Display it in the API with curl	kind: CustomResourceDefinition curl API
	Create a networking policy such that only pods with the label access=granted can talk to it. Create an nginx pod and attach this policy to it. Create a busybox pod and attempt to talk to nginx - should be blocked Attach the label to busybox and try again - should be allowed	networking policy
	Create a service that references an externalname. Test that this works from another pod	type: ExternalName
	Create a pod that runs all processes as user 1000.	user 1000
	Create a namespace Run a pod in the new namespace Put memory limits on the namespace Limit pods to 2 persistent volumes in this namespace	configure quota
	Write an ingress rule that redirects calls to /foo to one service and to /bar to another	ingress path
	Write a service that exposes nginx on a nodeport Change it to use a cluster port Scale the service Change it to use an external IP Change it to use a load balancer	External IP
	Deploy nginx with 3 replicas and then expose a port Use port forwarding to talk to a specific port	kubectl port-forward
	Make an API call using CURL and proper certs	curl API
	Upgrade a cluster with kubeadm	upgrade cluster
	Get logs for a pod	kubectl logs pod
	Deploy a pod with the wrong image name (like --image=nginy) and find the error message.	Troubleshoot Applications
	Get logs for kubectl	Troubleshoot Clusters
	Get logs for the scheduler	Troubleshoot Clusters
	Restart kubelet	systemctl restart kubelet

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CKA

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