kubernetes.demo

kubernetes demo, cheat sheet, helm etc.

Cheat sheet

Get something

kubectl get all --all-namespaces
kubectl get namespaces
kubectl get nodes 
kubectl get all -n namespace_name
kubectl get deployment -n namespace_name
kubectl get svc --all-namespaces
kubectl get pods
kubectl get pods -l "release=metricbeat"

Troubleshooting with kubectl

kubectl get - list resources

kubectl describe - show detailed information about a resource

kubectl logs - print the logs from a container in a pod

kubectl logs pod-name

kubectl exec - execute a command on a container in a pod

Getting a shell to a Container

kubectl exec -it pod-name -- /bin/bash

#Helm (Helm)[https://helm.sh/] helps you manage Kubernetes applications.

Install heml in local

Install Tiller in kubernetes

kubectl -n kube-system create sa tiller
kubectl create clusterrolebinding tiller --clusterrole cluster-admin --serviceaccount=kube-system:tiller
helm init --service-account tiller

• Install filebeat

helm install --name elastic-search -f filebeat.yaml stable/filebeat