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Configure High Availability
Choosing Kubernetes Infrastructure
Design an Kubernetes Cluster Ask ㅁ Purpose - Education - Development & Testing - Hosting Production Applications ㅁ Cloud or OnPrem? ㅁ Workloads - How many? - What kind? + Web + Big Data/Analytics - Application Resource Requirements + CPU Intetnsive + Memory Intensive - Traffic + Heavy Traffic + Burst Traffic Purpose - Education + Minikube + Single node cluster with kubeadm/GCP/AWS - Development & Testing + Multi-node cluste..
Practice Test - CKA - Ingress Networking - 2 ㅁ We have deployed two applications. Explore the setup. $ kubectl get all --all-namespaces NAMESPACE NAME READY STATUS RESTARTS AGE app-space pod/default-backend-5cf9bfb9d-t777q 1/1 Running 0 42s app-space pod/webapp-video-84f8655bd8-t75tl 1/1 Running 0 42s app-space pod/webapp-wear-6ff9445955-c47lj 1/1 Running 0 41s kube-system pod/coredns-f9fd979d6-9bc25 1/1 Running 0 119s kube-system pod/core..
Ingress - Annotations and rewrite-target 다양한 Ingress Controller는 그 작동방식이 다른 옵션으로 구성되어질 수 있다. NGINX Ingress Controller는 여기에서 다양한 옵션을 볼 수 있다. 실습에서 사용할 이러한 옵션 중 하나를 설명하고자 한다. (Different ingress controllers have different options that can be used to customise the way it works. NGINX Ingress controller has many options that can be seen here. I would like to explain one such option that we will use in our labs. The Rewrite target option.) wa..
Practice Test - CKA -Ingress Networking ㅁ We have deployed Ingress Controller, resources and applications, Explore the setup. Note: They are in different namespaces. $ kubectl get all --all-namespaces NAMESPACE NAME READY STATUS RESTARTS AGE app-space pod/default-backend-5cf9bfb9d-rdknk 0/1 ContainerCreating 0 98s app-space pod/webapp-video-84f8655bd8-bb2sg 0/1 ContainerCreating 0 98s app-space pod/webapp-wear-6ff9445955-xstsl 0/1 Con..
INGRESS 보호되어 있는 글입니다.
Practice Test CoreDNS in Kubernetes ㅁ Identify the DNS solution implemented in this cluster kubectl get pods -n kube-system 에서 DNS로 기동되어 있는 POD를 확인 $ kubectl get pods -n kube-system NAME READY STATUS RESTARTS AGE coredns-f9fd979d6-45wx2 1/1 Running 0 36m coredns-f9fd979d6-rqgxt 1/1 Running 0 36m etcd-controlplane 1/1 Running 0 37m kube-apiserver-controlplane 1/1 Running 0 37m kube-controller-manager-controlplane 1/1 Running 0 37m ..

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