The main components in a Kubernetes cluster are the kube-apiserver, etcd, kube-scheduler, kube-controller-manager and cloud-controller-manager: API server:The application programming interface(API) server in Kubernetes exposes the KubernetesAPI(the interface used to manage, create and configure Kubernet...
the file is just namedconfig. The default location of thekubeconfigfile is~/.kube/config. There are other ways to specify thekubeconfiglocation, such as theKUBECONFIGenvironment variable or thekubectl --kubeconfigparameter.
Kube-proxy:A network proxy and load balancer for a service on a single worker node. It is responsible for traffic routing. Kubectl:A CLI tool for the users to communicate with the Kubernetes API server. What are pods and services? Podsare the smallest unit of the Kubernetes cluster, it is...
Kubernetes is a platform for running applications and services. It manages the full lifecycle of container-based applications, by automating tasks, controlling resources, and abstracting infrastructure.
A node, also known as aminion, is a worker machine in Kubernetes. It can be either a physical machine or a virtual machine (VM). Nodes have the necessary services to run pods and receive management instructions from master components. Services found on nodes includeDocker, kube-proxy and ku...
Now it’s time to deploy your application, which is packaged as a Docker image using Kubernetes. Follow these steps: Check if your cluster and all system pods are operational: kubectl get pods -n kube-system You should see output similar to this: ...
ClusterIP:While ClusterIP is the default Kubernetes service for internal communications, external traffic can access it through the kube-proxy. ClusterIP can be helpful when accessing a service on a laptop or debugging a service. NodePort:The NodePort exposes the service on a static port on each...
What is Kube-proxy? Kube-proxy is a network proxy that runs on each node in a Kubernetes cluster. It is responsible for managing the network routing for individual services and pods, and for load-balancing traffic between pods. It also provides an API that enables other components of the cl...
Kubernetes, specifically the Kubernetes Control Plane, is composed of a component services following the event-loop architecture: Image via https://medium.com/@tsuyoshiushio/kubernetes-in-three-diagrams-6aba8432541c kube-api-server kube-controller-manager kube-scheduler kubelet kube-proxy kube-dns etc...
Elastic Container Instance Profile is a ConfigMap named eci-profile in the kube-system namespace. The following table describes the key parameters. Parameter Description vpcId The unique identifier of the virtual private cloud (VPC) in which pods are deployed. securityGroupId The unique identifier...