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Forked from kevsersrca/kubectl
Created May 25, 2022 15:39
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Kubernetes команды примеры
kubernetes commands
kubectl get pods && kubectl get services --all-namespaces
kubectl get nodes - список нодов
kubectl get pod redis --watch
kubectl delete service,deployment nginx - удалить сервис и поды nginx
kubectl get pod NAME --output=yaml - показать значение пода
kubectl describe pod NAME --namespace=NAME - показать значения пода
kubectl delete pod NAME --grace-period=0 --force
kubectl logs NAME - посмотреть логи контейнера
kubectl exec -ti NAME bash - интерактивный режим bash
kubectl expose deployment nginx --type=NodePort --port=80 - выставить сервис наружу
kubectl create -f ingress.yml - создание точки входа ingress
kubectl delete service NAME -n NAMESPACE
kubectl delete service NAME
kubectl delete deployment NAME
kubectl get deployments - вывести список Deployments
kubectl get rs - список ReplicaSet
kubectl rollout history deployment/nginx
kubectl set resources deployment/nginx -c=nginx --limits=cpu=200m,memory=512Mi
kubectl exec -ti -n monitoring prometheus-deployment-6bf45557bd-f5bvx -- /bin/sh
ubectl --namespace kube-system delete deployment kubernetes-dashboard
==================rollout and rollback===============
kubectl set image deployment.v1.apps/nginx-deployment nginx=nginx:1.91 --record=true
kubectl describe deployment - описать развертывание
kubectl rollout history deployment/nginx - вывод истории развертывания
kubectl rollout history deployment/nginx --revision=1 - описание истории ревизии №1
kubectl rollout undo deployment/nginx --to-revision=2 - откат к ревизии 2
kubectl rollout status - проверить состояние развертывания
==================scale=================================
kubectl scale deployment/nginx --replicas=10
===================Cronjobs=============================
kubectl create -f cronjob.yml
kubectl get cronjob NAME
kubectl delete cronjob NAME
kubectl get jobs --watch
========================Configmap================================
kubectl get configmap NAME -n NAMESPACE
kubectl describe configmap NAME -n NAMESPACE
kubectl delete configmap NAME -n NAMESPACE
=======================proxy=====================================
kubectl proxy --address="192.168.0.105" -p 8001 --accept-hosts='^*$'
=====================clusterrole=================================
kubectl delete clusterrolebinding cluster-system-anonymous - удаление роли в кластере
kubectk get clusterrole - вывод списка ролей
kubectl get clusterrole system:NAME -o yaml
====================volumes======================================
kubectl get pv NAME - вывод списка томов PersistantVolume
kubectl delete pv NAME - удаление тома PersistantVolume
kubectl delete pvc NAME - удаление claim
kubectl get pvc NAME_PV - Вывод списка claim для PersistantVolume
grafana-pv-volume - описание pvc
======================secrets====================================
kubectl create secret generic db-user-pass --from-file=./username.txt --from-file=./password.txt - создать secret db-user-pass на основе файлов
kubectl get secrets - вывод списка для secrets
kubectl describe secrets/db-user-pass
kubectl get secret db-user-pass -o yaml - вывод логина и пароля secret db-user-pass
kubectl -n kube-system describe secret deployment-controller-token-9pn6n - получить token для дашборда
=====================network=====================================
kubectl expose deployment hello-world --type=LoadBalancer --name=my-service - создание Service для Deployment hello-world с типом лоадбалансера.
=====================load balancer===============================
1. Пример лоад балансера между 5 подами.
kubectl run hello-world --replicas=5 --labels="run=load-balancer-example" --image=gcr.io/google-samples/node-hello:1.0 --port=8080
kubectl expose deployment hello-world --type=LoadBalancer --name=my-service
===================
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