Kubernetes

Command Refs

kubectl

kubectl get pods
kubectl get all
kubectl get events
kubectl get deployments
kubectl get nodes
kubectl get services
kubectl get replicasets

kubectl describe <resource>

kubectl delete <resource>

--all-namespaces

kubectl rollout pause deployment <name> (can same-same with "resume")

kubectl -n <namespace> delete pods --field-selector=status.phase = Failed delete all pods in 'failed' state kubectl scale deployment <name> --replicas=# -n <namespace> scale deployment

kube logs

kubectl logs <pod>
kubectl logs <pod> -c <container>
kubectl logs <service name>
kubectl logs -f <pod>
kubectl logs <pod> -p (previous failed pod logs)

journalctl -u kubelet

Exec into kube pod/container

kubectl exec -it <pod> -c <container> /bin/bash

kubernetes layout (in my head)

docker container/image deployed to helm helm builds kubernetes deployment replicaset is generated pod is build