FEATURE STATE: Kubernetes v1.33 [beta] (enabled by default: false) Kubernetes 1.33 includes a beta feature that allows control plane components to deterministically select a leader via coordinated leader election. This is useful to satisfy Kubernetes version skew constraints during cluster upgrades. Currently, the only builtin selection strategy is OldestEmulationVersion, preferring the leader with the lowest emulation version, followed by binary version, followed by creation timestamp. Enabling coordinated leader election Ensure that CoordinatedLeaderElection feature gate is enabled when you start the API Server: and that the coordination.

Different ways to change the behavior of your Kubernetes cluster.

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This page shows how to configure quotas for API objects, including PersistentVolumeClaims and Services. A quota restricts the number of objects, of a particular type, that can be created in a namespace. You specify quotas in a ResourceQuota object. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster. It is recommended to run this tutorial on a cluster with at least two nodes that are not acting as control plane hosts.

This page shows how to change the reclaim policy of a Kubernetes PersistentVolume. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster. It is recommended to run this tutorial on a cluster with at least two nodes that are not acting as control plane hosts. If you do not already have a cluster, you can create one by using minikube or you can use one of these Kubernetes playgrounds:

FEATURE STATE: Kubernetes v1.18 [beta] This page explains how to upgrade a Windows node created with kubeadm. Before you begin You need to have shell access to all the nodes, and the kubectl command-line tool must be configured to communicate with your cluster. It is recommended to run this tutorial on a cluster with at least two nodes that are not acting as control plane hosts. Your Kubernetes server must be at or later than version 1.

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This page explains proxies used with Kubernetes. Proxies There are several different proxies you may encounter when using Kubernetes: The kubectl proxy: runs on a user's desktop or in a pod proxies from a localhost address to the Kubernetes apiserver client to proxy uses HTTP proxy to apiserver uses HTTPS locates apiserver adds authentication headers The apiserver proxy: is a bastion built into the apiserver connects a user outside of the cluster to cluster IPs which otherwise might not be reachable runs in the apiserver processes client to proxy uses HTTPS (or http if apiserver so configured) proxy to target may use HTTP or HTTPS as chosen by proxy using available information can be used to reach a Node, Pod, or Service does load balancing when used to reach a Service The kube proxy:

FEATURE STATE: Kubernetes v1.18 [beta] This page explains how to add Windows worker nodes to a kubeadm cluster. Before you begin A running Windows Server 2022 (or higher) instance with administrative access. A running kubeadm cluster created by kubeadm init and following the steps in the document Creating a cluster with kubeadm. Adding Windows worker nodes Note:To facilitate the addition of Windows worker nodes to a cluster, PowerShell scripts from the repository https://sigs.

API-initiated eviction is the process by which you use the Eviction API to create an Eviction object that triggers graceful pod termination. You can request eviction by calling the Eviction API directly, or programmatically using a client of the API server, like the kubectl drain command. This creates an Eviction object, which causes the API server to terminate the Pod. API-initiated evictions respect your configured PodDisruptionBudgets and terminationGracePeriodSeconds. Using the API to create an Eviction object for a Pod is like performing a policy-controlled DELETE operation on the Pod.