Kubernetes Ctl | K8S | kubectl

kubectl [command] [type] [name] [flags]

# command (create, get, apply, delete)
# [type] means resource type(pod, deployment, replicaset)
# [name] means resource name

# create resources
kubectl run nginx --image nginx
kubectl create -f nginx.yaml
kubectl apply -f nginx/ -f ./xxx.json
kubectl apply -f https://git.com/xx

# list resources
kubectl get services
kubectl get pods -all-namespaces
kubectl get deployment my-dep
# get pods in current namespace
kubectl get pods
kubectl get pods -o wide
kubectl describe pod hello-world
kubectl delete pod hello-world

# scale
kubectl scale --replicas=3 rs/foo
kubectl scale --replicas=3 -f foo.yaml

# config
kubectl config get-clusters
kubectl config get-contexts

# expose
# Exposes a resource to the internet as a Kubernetes service.
kubectl expose deployment/hello-world
# Creates a proxy server between a localhost and the Kubernetes API server.
kubectl proxy

# delete
kubectl delete deployment/hello-world service/hello-world

# for ... do
for i in `seq 10`; do curl -L localhost:8001/api/v1/namespaces/sn-labs-$USERNAME/services/hello-world/proxy; done