kubernetes course

This is a creation in Article, where the information may have evolved or changed. Hello everyone, I am Xu Chao, engaged in Kubernetes development has been more than two years. Today, I talk about Client-go repository from a developer's point of view and how to build a Controller with Client-go. At the same time, we also give you a talk about the development process encountered in the pit, I hope everyone in the development of the time can be around

NetworkingKubernetes supports for Third-party netwroking the cluster via the MLM plugin. For more infromation, please see Cluster Networking.According to this Chinese blog, Principles and Solutions of Kubernetes Networking from Yourongyun the three top of the MLM Pro Viders for kubernetes cluster based on VMs is Project Calico, flannel, Weave Net.And also, here is comparison of variable networking solution

! [K8s-install] (https://raw.githubusercontent.com/opsnull/follow-me-install-kubernetes-cluster/master/images/ Dashboard-home.png) "And I step-by-Step deployment kubernetes cluster" since its release, by the Kubernetes community long-time enthusiasts attention, raised a lot of questions and suggestions (see Github issues), very happy to bring you help! Previous v

arranging a host for it to write information to the ETCD. Of course, the things to deal with in this process is far from simple, need to consider a variety of decision factors, such as the same replication controller pod allocated to different hosts, to prevent the host node downtime on the business caused by a great impact, and how to consider resource balance, Thus, the resource utilization rate of the whole cluster is improved. Scheduling Process

Kubernetes Basic Primer-Installation Deployment Configuration ExampleDeploying Kubernetes SkydnsKubernetes can provide DNS internal domain name resolution services for pods.Its main function is to provide pods with the ability to resolve the IP directly through the service's name to the corresponding service!1. First add the options in the Kubelet process for each node:kubelet_args= "--cluster_dns=10.254.0.

This article starts with my public number clouddeveloper, and you are welcome to join me in learning cloud computing. During the Ming Dynasty, Emperor Chengzu Zhu Di, in order to develop overseas trade and establish his prestige, sent Zheng He seven voyages, set the ancient China's largest, the most ships (more than 240 ships), the most seafarers (27,000 people), the longest time, than the European countries sailing time of half a century earlier ocean voyage feat.

ClusterCluster is a collection of compute, storage, and network resources, and Kubernetes uses these resources to run various container-based applicationsMasterMaster is the brain of cluster, whose primary responsibility is scheduling, that is, deciding where the application will run. Master runs the Linux operating system, which can be either a physical machine or a virtual machine. To achieve high availability, you can run multiple master.NodeNode's

install, put in the installation of network environment on it. Q: Do you have a restriction class for k8s API calls? A: Do you mean to limit resources? You can do it in the config file. If there is a problem with the API, you can discuss with my colleague: @Moon @ Beijing-goyoo. Q: How many VMS do you normally need for a minimum cluster? A: This depends on your business scenario. I don't know if you mean small Cluster, there is a picture on it, you need a few. Q: About the use of k8s, r

What is a container?Kubernetes is a container management platform. It is conceivable that we need containers to manage them. But what is a container? The best answers to the official Docker documentation are: A container image is a lightweight, standalone, executable package that contains everything that can be run: Code, runtime, System tools, system libraries, settings. For Linux and Windows-based applications, containerized software can ru

1. Compiling environment Operating system: Ubuntu 16.04 LTS AMD64 git:2.7.4 docker:1.12.6 2. Compile Steps 2.1 Clone Source Code # git clone https://github.com/kubernetes/kubernetes.git # git checkout release-1.7 2.2 To modify the source code is to solve the Gcr.io domestic problems, has been tested, even if ready to gcr.io related mirrors, such as not modify the source code will still be due to network problems caused the compilation failed edit

curve kubernetes. In this article, Rancher Labs Chief software engineer Alena will guide you through the Rancher 2.0 new user interface and will explain how to deploy a simple Nginx service in Rancher 2.0.Design your workloadsBefore you deploy workloads for your application, it is recommended that you understand these things first:· is the application stateful or stateless?· How many application instances do I need to run?· What is the placemen

Http://page.factj.com/tor/xoxaHR0cDovL2RvY2tvbmUuaW8vYXJ0aWNsZS8yMzM0Kubernetes is the Google open-source container cluster management system, which is built on Docker technology to provide containerized applications with resource scheduling, deployment operations, service discovery, capacity expansion and other functions of the entire set, using Kubernetes can easily manage the cross-machine operation of containerized applications.Dockone Community t

Kubernetes v1.10----Deployment Kubernetes-dashboard v1.831. Download Kubernetes-dashboard yaml file#因为文件中的image指定的是谷歌, so you cannot deploy directly using applywget Https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml

, but each label key can only correspond to one value;The entire system is associated with a label to get the target that really needs to be manipulated.5. ProxyProxy not only solves the same host service port conflict problem, also provides service forwarding service port to provide services, the proxy backend using a random, round-robin load balancing algorithm.Third, kubernetes related componentsKubernetes mainly include: Kubectl, Kube-apiserver, K

The development track of modern cloud computing from the perspective of container and Kubernetes Technology [Editor's note] This article is selected from the Google Cloud Platform Blog. It is the beginning of a series of blogs that mainly introduce container technology. This article briefly introduces container technology and kubernetes, describes the advantages of container technology and Google's understa

Because scenarios where private clouds are deployed in the enterprise are more prevalent, it is necessary to build a network environment that meets kubernetes requirements before running kubernetes + Docker clusters in a private cloud. In today's open source world, there are many open source components that can help us get through the network between Docker containers and containers, and achieve the

k8s Basic Concepts1. NodeNode as a working node in the cluster, running a real application, the smallest running unit kubernetes managed on node is the pod. Node runs Kubernetes's kubelet, Kube-proxy service processes, which are responsible for pod creation, startup, monitoring, restart, destruction, and load balancing for software patterns. The information that node contains: node address: The IP address of the host, or node ID. node op

a hour red Is-slave-31tkb 172.17.0.10 centos2/192.168.1.112 Name=redis-slave Running Slave kubernetes/redis-slave:v2 Running minutes Redis-slave-uk 8nu 172.17.0.11 centos2/192.168.1.112 name=redis-slave Running minutes Slave kubernetes/redis-slave:v2 Running minutes NAME LABELS SELECTOR IP (s) PORT (s) frontend name=frontend name=frontend 10.254.15

ObjectiveThis article is a reading note, specific reference to Mr. Nu Bongfei's original "Kubernetes Guide", thank the original author, salute!I. Introduction of BorgBorg is a large-scale cluster management system within Google, which is responsible for the scheduling and management of many core services within Google.The goal of Borg is to enable users to focus on their core business without having to worry about resource management, and to maximize

restricts CPU and memory usage by Cgroup, CPU qualification is usually set to weight, does not allow a container to get a 1Ghz CPU, of course, you can also use Cpuset to bind to the specified physical core, memory usage not only to set the memory size but also to limit the size of the swap partition , which is important, such as MongoDB's large use of swap partitions when there is insufficient storage. The relatively short life cycle of Docker deter