create namespace
kubectl apply -f namespace.yaml
查看 namespace
kubectl get namespace --show-labels kubectl config view | grep namespace:
切换默认namespace
kubectl config current-context
kubectl config set-context test --namespace=app01
--cluster=docker-desktop
--user=docker-desktop
kubectl config set-context prod --namespace=production
--cluster=docker-desktop
--user=docker-desktop
kubectl config view
切换环境到DEV
kubectl config use-context test
check 当前环境
kubectl config current-context
查看配额
kubectl get resourcequotas kubectl get resourcequota app01-redis --output=yaml
create configmap
kubectl create configmap app01-redis-conf --from-file=redis.conf
kubectl get configmap -n miles-app01
NAME DATA AGE kube-root-ca.crt 1 3m30s miles-app01-redis-conf 1 20s
创建和查看 pod
kubectl apply -f app01_redis.yaml kubectl get pods -n app01
注意：configMap 会挂在 /usr/local/etc/redis/redis.conf 上。与 mountPath 和 configMap 下的 path 一同指定
kubectl get pod miles-app01-redis-b48ff8c66-q5cv2 -n miles-app01 kubectl run busybox --image=busybox --command -- ping baidu.com kubectl exec -it busybox -- /bin/bash k describe replicaset.apps/app01-redis-64847ffc48 k get all -ALL k describe pods