what is kubernetes cluster

Java EE Cluster Generally speaking, Java EE cluster technology includes "load Balancing" and "failover" two parts. In the above illustration, load balancing means that a target object is requested by many client objects simultaneously. The load balancer is between the caller and the callee, and you can distribute th

Previously description: Three CENTOS7 system virtual machines (1 master+2 node), three machines on the firewall, SELinux all turned off. My experimental bad environment can be online, the default Yum source can be used.1. What is KubernetesKubernetes (k8s) is Google open-source container cluster Management system (Goog

Kubernetes Cluster Deployment DNS ServiceIn Kubernetes each service will be assigned a virtual IP, each service under normal circumstances will not change for a long time, this is relative to the pod of the indefinite IP, the use of the cluster app

Production 丨 Docker Co., Ltd (ID:DOCKER-CN) Compiling 丨 small East Every Monday, five 6:10 P.M. with you see not scattered Say in front Today brings you a tutorial on creating a kubernetes cluster quickly with Docker. This tutorial is based on my previous article "10-minute deployment of kubernetes

0. Preface Overall architecture directory: ASP. NET core distributed project-Directory k8s Schema Catalog: Kubernetes (K8S) cluster deployment (K8S Enterprise Docker container cluster Management) series catalog 1. Deploy Master Components The components of the master server are: Kube-apiserver, Kube-controller-manager, Kube-scheduler So you need to download k8s

Google Kubernetes Engine upgrade: regional cluster, new control panel, and security recommendations Google has updated its Kubernetes Engine (GKE) service several times. You can now use GKE on a large scale. In addition to the kubectl command for cluster control and management, it also supports

Here the ETCD cluster is multiplexed with the 3 nodes that we tested, 3 node to install and start, note to modify the configuration file1, TLS certification file distribution: ETCD cluster authentication, in addition to the native, distributed to other node nodesSCP ca.pem KUBERNETES-KEY.PEM Kubernetes.pem [email prote

-- Apiserver-advertise-address=20.0.30.105[init] using Kubernetes version:v1.11.0[preflight] running pre-flight checksI0726 17:41:23.621027 65735 kernel_validator.go:81] Validating kernel versionI0726 17:41:23.621099 65735 kernel_ VALIDATOR.GO:96] Validating kernel config [WARNING Hostname]: Hostname "docker-5" could not being reached [WARNING Host Name]: hostname "DOCKER-5" lookup docker-5 on 8.8.8.8:53:no such host[preflight/images] pulling images r

Kubernetes Dashboard is a generic web-based UI for Kubernetes clusters. It allows users to manage and troubleshoot applications running in a cluster, and to manage the cluster itself.Deploying DashboardProject GitHub AddressOfficial documentation ReferenceGet Yaml filecurl -

I. Introduction ofKubernetesKubernetes is Google open source container cluster management system, based on Docker to build a container scheduling service, providing resource scheduling, balanced disaster recovery, service registration, dynamic expansion capacity and other functional suites, using Kubernetes can easily manage the cross-machine operation of contain

Environment Configuration CentOS Linux release 7.3.1611 (Core)etcd-v3.2.6 Docker-ce-17.03.2.ce kubernetes-v1.6.9192.168.108.128 Nodes 1192.168.108.129 Nodes 2192.168.108.130 Nodes 3 kubernetes Download Https://github.com/kubernetes/kubernetes/releases/download/v1.6.9/kubernetes.tar.gz Installation ConfigurationPrereq

] node2]# IP a|egrep "Docker|flan"3:flannel0: inet 10.1.77.0/16 Scope Global Flannel04:DOCKER0: inet 10.1.77.1/24 Scope Global DOCKER0Finally, start the Kubernetes node service:[Email protected] node2]# nohup kubelet--address=0.0.0.0 \--port=10250--logtostderr=true--v=0 \--api-servers=http://192.168.11.10:8080 >>/var/log/kubernetes/kubelet.log 2>1 [Email protected] node2]# nohup kube-proxy--logtostderr=true

This article describes the use of Node-exporter, Prometheus, Grafana to monitor the cluster in a k8s cluster.Its implementation principle is somewhat similar to elk, EFK combination. The Node-exporter component collects the metrics monitoring data on the node and pushes the data to Prometheus, Prometheus is responsible for storing the data, and grafana the data t

-infrastructure:latest"Kubelet_args= ""5. Start the Kube-proxy,kubelet,docker,flanneld service on all node nodes and set the boot# for SERVICES in Kube-proxy kubelet Docker flanneld;do systemctl restart $SERVICES; systemctl enable $SERVICES; Systemctl s Tatus $SERVICES; Done? Verify that the cluster is installed successfullyExecute the following command on master[[email protected] ~]# KUBECTL get nodeNAME S

Configure the dashboard service for a Kubernetes Cluster This article describes how to create and use kube-ui (also called dashboard) based on the previous article. This is essentially an api interface for connecting webui to the master. It obtains information about the k8s cluster through the api and then displays it

KUBERNETES cluster to build the basic environmentSystem Environment # Cat/etc/redhat-releasecentos Linux release 7.3.1611 (Core) Host name Settings Centos-master 192.168.59.135centos-minion1 192.168.59.132centos-minion2 192.168.59.133Restart server after SELinux and Firewalld are turned off# systemctl Stop firewalld# systemctl disable firewalld# setenforce 0# sed-i ' s/^selinux=.*/selinux=disableds/'/

Deployment BookInfo Sample program detailed procedures and procedures (based on kubernetes cluster +istio v1.0)Deploying the BookInfo sample programThe sample application is included in the Samples directory of the downloaded Istio installation package.BookInfo ApplicationsDeploy a sample application that consists of four separate microservices to demonstrate a v

Kubernetes 1.5 installation and cluster environment deploymentArticle reprinted from: http://www.cnblogs.com/tynia/p/k8s-cluster.htmlBrief introduction:Docker: An open-source application container engine that can create a lightweight, portable, self-sufficient container for your application.Kubernetes: The Docker container Cluster Management system, which

The previous article describes the use of Traefik for service publishing in Kubernetes 1.5.2 cluster environments. Traefik is deployed in Daemonset mode, and the connection Api-server is the HTTP protocol, and RBAC is not configured. This article describes the deployment of

This article will be based on the previous article on the configuration of the DNS service in the Kubernetes cluster environment, in the k8s cluster, pod life cycle is short, pod restart IP address will change, for the application this is unacceptable, in order to solve this