all-in-one/k8s

Kubernetes

• minikube

$ minikube start drivers=kvm2

$ minikube status

• kubectl

# create jenkins namespace
$ kubectl create namespace jenkins

# list existing namespaces
$ kubectl get namespaces

• Port forwarding

# Listen on port 8888 locally, forwarding to 5000 in the pod
kubectl port-forward pod/mypod 8888:5000

# Listen on port 8888 on all addresses, forwarding to 5000 in the pod
kubectl port-forward --address 0.0.0.0 pod/mypod 8888:5000

# Listen on a random port locally, forwarding to 5000 in the pod
kubectl port-forward pod/mypod :5000

# Listen on port 8888 on localhost and selected IP, forwarding to 5000 in the pod
kubectl port-forward --address localhost,10.19.21.23 pod/mypod 8888:5000

# Listen on ports 5000 and 6000 locally, forwarding data to/from ports 5000 and 6000 in the pod
kubectl port-forward pod/mypod 5000 6000

# Listen on ports 5000 and 6000 locally, forwarding data to/from ports 5000 and 6000 in a pod selected by the deployment
kubectl port-forward deployment/mydeployment 5000 6000

# Listen on ports 5000 and 6000 locally, forwarding data to/from ports 5000 and 6000 in a pod selected by the service
kubectl port-forward service/myservice 5000 6000