Changelog
https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG.md
Dump Kubernetes Objects
kubectl get componentstatuses kubectl get configmaps kubectl get daemonsets kubectl get deployments kubectl get events kubectl get endpoints kubectl get horizontalpodautoscalers kubectl get ingress kubectl get jobs kubectl get limitranges kubectl get nodes kubectl get namespaces kubectl get pods kubectl get pods --all-namespaces -o wide kubectl get persistentvolumes kubectl get persistentvolumeclaims kubectl get quota kubectl get resourcequotas kubectl get replicasets kubectl get replicationcontrollers kubectl get secrets kubectl get serviceaccounts kubectl get services kubectl get ep nginx kubectl -n ingress-nginx get pods
Access Kubernetes cluster without floating IP
CLUSTER_JUMPHOST=1.2.3.4 CLUSTER_MASTER=10.0.0.5 sshuttle --python /usr/bin/python3 --remote ubuntu@${CLUSTER_JUMPHOST} ${CLUSTER_MASTER}/32 export no_proxy=$no_proxy,10.0.0.5
Deploy nginx
kubectl create deployment nginx --image=nginx kubectl scale deployment --replicas 2 nginx kubectl get pods -o wide # kubectl create service nodeport nginx --tcp=80:80 kubectl expose deployment nginx --type=LoadBalancer --name=nginx --port=80
Deploy apache
kubectl create deployment apache --image=httpd kubectl scale deployment --replicas 3 apache kubectl expose deployment apache --type=LoadBalancer --name=apache --port=80
Debug
systemctl list-units --failed systemctl status kubelet.service systemctl status kube-apiserver.service kubectl get pods --all-namespaces -o wide kubectl -v=7 get nodes kubectl logs -f -n default nginx-5c7588df-8k5lh
Documentation
https://kubernetes.io/docs/reference/kubectl/cheatsheet/ - kubectl Cheat Sheet
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands
Configuration
# ~/.kube/config apiVersion: v1 clusters: - cluster: server: https://10.11.22.33:6443 name: api-server contexts: [] current-context: "" kind: Config preferences: {} users: [] foo.bar
Links
https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG.md
https://github.com/coreos/matchbox/tree/master/examples/terraform/bootkube-install