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WeChat Public Number: Operations and Maintenance Development Story, Author: double winter 1. Overview Start with two important Pod parameters: CPU Request and Memory Request. In most cases, we do not define these two parameters when defining a Pod, and Kubernetes assumes that the Pod requires very few resources and can be scheduled on any a ...

Write before Learn K8s, so organize your memoryMost of the content comes from Chapter 1 of the Kubernetes Authoritative Guide: A Full Touch from Docker to Kubernetes Practice, where interested partners can support the author It's hard to be happy with a person who doesn't appreciate himself. ----- Tritrichoma 1. Brief description Most ...

1: Introduction to Dashboard Dashboard is a web-based Kubernetes user interface. You can use dashboard to deploy container applications to Kubernetes cluster, troubleshoot container applications, and manage cluster resources. You can use the dashboard to get the overview information of the applications running in the cluster, or you can creat ...

[Directory] 1. Introduction to yaml file 2. Common yaml Syntax 3. port Details 4. A simple example of yarml V. Label and Selector 6. Differences between kubectl creation or kubectl replace ment 1. Introduction to yaml file Kubernetes only supports the creation of resource objects in YAML and JSON formats, which are used for message delive ...

Assets: objects workload: Pod,ReplicaSet,Deployment,StatefulSet,DaemonSet,Job,Cronjob,...Service discovery and balance: service and progressConfiguration and storage: Volume, CSI ConfigMap,SecretDownwardAPI Cluster level resources NameSpace,Node,Role,ClusterRole,RoleBinding,ClusterRoleBinding Metadata resource HPA,PodTemplate,LimitRan ...

         catalogue 1, Requirements for network environment of k8s cluster 2, k8s cluster network communication flow chart 3, Analysis of communication flow of k8s cluster network   1. How to satisfy cluster Pod IP uniqueness 2. The pause container creates a shared namespace 3. pod network plug-in bridge 4. The data packet is sent b ...

Network Plugin flannel One solution for cross-host communication is Flannel, introduced by CoreOS, which supports three implementations: UDP, VXLAN, host-gw udp mode: use device flannel.0 for unpacking, not native to the kernel, large context switching, very poor performance vxlan mode: use flannel.1 for unpacking, native kernel support, bette ...

brief introduction This scenario is designed to support you to migrate from HAProxy to Envoy Proxy. It will help you apply any previous experience and understanding of HAProxy to Envoy. You will learn how to: Configure Envoy proxy server configuration and settings.Configure the Envoy agent to proxy traffic to external services.Configure acce ...

Recently, I began to learn relevant knowledge of Kubernetes through geek time In depth analysis of Kubernetes For the practical courses related to muke.com, I also have a preliminary understanding of Kubernetes. Blogging is also to record the learning process. Let's start the environment construction of Kubernetes Pre knowledge Learn about do ...

1. kubectl Basic Commands 1. Declarative resource management methods: 1. The only entry point for a kubernetes cluster to manage cluster resources is the interface that calls apiserver through the appropriate method 2. kubectl is the official CLI command-line tool for communicating with apiserver, organizing and transforming commands that users ...