It is responsible overall health of entire cluster such as no of nodes insides the cluster, up and running status as per specification. Scheduler is responsible for physically scheduling pods across multiple nodes, depending upon when we submit requirement to API server, scheduler schedules pod accordingly. API objects can be pods,containers,deployments,services.etc.
UBUNTU 16.04 INSTALL KUBERNETES CLUSTER UPDATE
It is used to create,delete and update any object inside the cluster using kubectl command. Kubernetes master is responsible for managing entire cluster, it coordinates all the activities inside the cluster and communicates with worker node.There are four major components on master node. Genrally Kubernetes cluster includes one master node and many worker nodes also we can use more than one master node. To know more about kubeadm commands,visit official Kubernetes site. Kubeadm version: It used to check kubeadm version. Kubeadm token: It is used to genrate token. Kubeadm join(on worker node): It is used to initialize and configure any node as worker node. Kubeadm init(on master node) : It is used to initialize and configure any node as a master node. We are going to use below kubeadm commands while configuring Kubernetes cluster. Kubeadm helps for installing and configuring Kubernetes cluster using command line.
It is used to automatic cluster deployment, scaling and manage containerized applications. Kubernetes is one of the Leading open source Container Orchestration Engine. Create a Deployment using YAML in Kubernetes.Configure Pod Network and Verify Pod namespaces.Initialize the Master node using kubeadm (on Master Node).Install Kubeadm,Kubelet and Kubectl on All Node.Add Kubernetes APT Repository on All node.Start the Docker service if not started.Firewall Ports/Inbound Traffic Ports for Kubernetes Cluster.
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