Minikube
minikube is a tool/utility which runs a single node kuberbetes cluster using a virtual box. This tool helps in learning k8s with local setup.
starting minikube for the first time
sriram@sriram-Inspiron-5567:~/k8s$ minikube start
😄 minikube v1.2.0 on linux (amd64)
💿 Downloading Minikube ISO ...
129.33 MB / 129.33 MB [============================================] 100.00% 0s
🔥 Creating virtualbox VM (CPUs=2, Memory=2048MB, Disk=20000MB) ...
🐳 Configuring environment for Kubernetes v1.15.0 on Docker 18.09.6
💾 Downloading kubeadm v1.15.0
💾 Downloading kubelet v1.15.0
🚜 Pulling images ...
🚀 Launching Kubernetes ...
⌛ Verifying: apiserver proxy etcd scheduler controller dns
🏄 Done! kubectl is now configured to use "minikube"
status
$ minikube status
host: Running
kubelet: Running
apiserver: Running
kubectl: Correctly Configured: pointing to minikube-vm at 192.168.99.100
minikube service list
$ minikube service list
|-------------|------------|--------------|
| NAMESPACE | NAME | URL |
|-------------|------------|--------------|
| default | kubernetes | No node port |
| kube-system | kube-dns | No node port |
|-------------|------------|--------------|
minikube stop
$ minikube stop
✋ Stopping "minikube" in virtualbox ...
🛑 "minikube" stopped.
$ minikube status
host: Stopped
kubelet:
apiserver:
kubectl:
restarting minikube
sriram@sriram-Inspiron-5567:~/k8s$ minikube start
😄 minikube v1.2.0 on linux (amd64)
💡 Tip: Use 'minikube start -p <name>' to create a new cluster, or 'minikube delete' to delete this one.
🔄 Restarting existing virtualbox VM for "minikube" ...
⌛ Waiting for SSH access ...
🐳 Configuring environment for Kubernetes v1.15.0 on Docker 18.09.6
🔄 Relaunching Kubernetes v1.15.0 using kubeadm ...
⌛ Verifying: apiserver proxy etcd scheduler controller dns
🏄 Done! kubectl is now configured to use "minikube"
Enable metrics service and listing all apiservices
$ minikube addons enable metrics-server
✅ metrics-server was successfully enabled
sriram@sriram-Inspiron-5567:~/k8s$ kubectl get apiservices
NAME SERVICE AVAILABLE AGE
v1. Local True 31m
v1.apps Local True 31m
v1.authentication.k8s.io Local True 31m
v1.authorization.k8s.io Local True 31m
v1.autoscaling Local True 31m
v1.batch Local True 31m
v1.coordination.k8s.io Local True 31m
v1.networking.k8s.io Local True 31m
v1.rbac.authorization.k8s.io Local True 31m
v1.scheduling.k8s.io Local True 31m
v1.storage.k8s.io Local True 31m
v1beta1.admissionregistration.k8s.io Local True 31m
v1beta1.apiextensions.k8s.io Local True 31m
v1beta1.apps Local True 31m
v1beta1.authentication.k8s.io Local True 31m
v1beta1.authorization.k8s.io Local True 31m
v1beta1.batch Local True 31m
v1beta1.certificates.k8s.io Local True 31m
v1beta1.coordination.k8s.io Local True 31m
v1beta1.events.k8s.io Local True 31m
v1beta1.extensions Local True 31m
v1beta1.metrics.k8s.io kube-system/metrics-server True 95s
v1beta1.networking.k8s.io Local True 31m
v1beta1.node.k8s.io Local True 31m
v1beta1.policy Local True 31m
v1beta1.rbac.authorization.k8s.io Local True 31m
v1beta1.scheduling.k8s.io Local True 31m
v1beta1.storage.k8s.io Local True 31m
v1beta2.apps Local True 31m
v2beta1.autoscaling Local True 31m
v2beta2.autoscaling Local True 31m
Minikube behind Proxy
export HTTP_PROXY=http://<proxy hostname:port>
export HTTPS_PROXY=https://<proxy hostname:port>
export NO_PROXY=localhost,127.0.0.1,10.96.0.0/12,192.168.99.0/24,192.168.39.0/24
minikube start
References
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