Part 1 - Pods

kubectl apply -f nginx.yaml kubectl port-forward nginx 3000:80 kubectl port-forward nginx --address 0.0.0.0 3000:80

kubectl logs --follow nginx

kubectl exec nginx -- ls kubectl exec -it nginx -- bash

kubectl delete pod nginx kubectl delete -f nginx.yaml

Part 2 - Deployments

docker build -t vallerion/k8s-cource-1 . docker push vallerion/k8s-cource-1

kubectl apply -f hellok8s.yaml kubectl get deployments -o wide kubectl get pods --watch kubectl port-forward hellok8s-79896b8b69-pg6cg 3000:8081 kubectl delete pod hellok8s-79896b8b69-pg6cg kubectl rollout undo deployment hellok8s kubectl describe pod hellok8s-6dc69c6bf-xsvpc

Part 3 - Services

kubectl get service hellok8s-svc kubectl get svc kubectl exec -ti hellok8s-f4447988f-r6rjm -- sh kubectl describe pod nginx k get pods k exec -ti hellok8s-79f6946f94-tpntw -- sh > env | grep HELLOK8S

Part 4 - Ingress

Install: kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.6.4/deploy/static/provider/cloud/deploy.yaml kubectl get pods --all-namespaces -l app.kubernetes.io/name=ingress-nginx kubectl delete deployment,service --all

Part 5 & 6 - ConfigMap & Secrets

k rollout restart deploy hellok8s echo 'It works with a Secret' | base64 k exec -ti hellok8s-76d6d9d4c4-q5fjc -- env | grep SECRET k get secret hellok8s-secret -o yaml k delete secrets --all k exec -ti hellok8s-6fc597dcb9-5z22m -- cat /secrets/SECRET_MESSAGE

Part 7 - Jobs

k apply -f echo-job k get jobs k get pods k logs echo-job-46nkd kubectl delete jobs,cronjobs --all k delete cronjob echo-cronjob

Part 8 - Namespace

k apply -f taras-namespace.yaml k apply -f nginx.yaml -n taras k get pods -n taras k get namespaces kubectl get pods --all-namespaces kubectl get all --all-namespaces k -n taras exec -ti hellok8s-7c56bbd7d4-vtlsm -- sh wget hellok8s-svc:8081 wget hellok8s-svc.default:8081 wget hellok8s-svc.taras:8081

Part 9 - Resource Usage

kubectl describe nodes k exec -ti loop-58c86f5675-t8p99 -- top k describe pod loop-7b46647889-kdt6x k delete pod limited-busybox --grace-period=0 --force k delete limitrange memory-limit-range

Part 10 - Kubeconfig

kubectl config current-context k get pods --context production

Project

k apply -k . k get pods -o wide k get nodes -o wide curl 142.93.232.217:30001 k get svc -> curl 159.223.240.63 <- LoadBalancer kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.6.4/deploy/static/provider/cloud/deploy.yaml kubectl delete -A ValidatingWebhookConfiguration ingress-nginx-admission kubectl get pods --all-namespaces -l app.kubernetes.io/name=ingress-nginx kubectl get svc --all-namespaces -l app.kubernetes.io/name=ingress-nginx to get external ip 134.209.136.80 echo 134.209.136.80 nginx.do.com > /etc/hosts echo 134.209.136.80 hello.do.com > /etc/hosts