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"Kubernetes" Best practice 1:kube-proxy and service discovery

Author: Peng Jingtian The node nodes of Kubernetes are composed of Kubelet, Kube-proxy, flannel, dockerd four components, this paper mainly analyzes the functions and principles of kube-proxy components. Pod is the smallest unit of resource allocation in kubernetes and the smallest entity to perform tasks. Each pod has a separate IP on the flannel overlay network. Pod Communication in node nodes is impleme

The development of modern cloud computing from the perspective of container and Kubernetes technology

Containerized technology (containerization).You may have a lot of doubts: what exactly is a container and how does it work? What does Docker and kubernetes mean, and what is the use of Google Container engine and managed VMS? How are they related, and how can we build a powerful service through containers and make them available in a large-scale cluster of production environments? How can you get business value by using this technology? Well, we don't

[System integration] Implement HTTP Service Release and load balancing with Kubernetes Nginx ingress

Services deployed by users on Kubernetes typically run on private networks, and pod and service provide parameters such as Hostport,nodeport to expose these service ports to K8S nodes for user access. There are obvious drawbacks to this approach:1) Easy to occupy excessive host port;2) service ports exposed to multiple hosts increasing the difficulty of firewalls and security configuration3) The default hostport,nodeport mode does not function as load

Problems encountered during the construction of Kubernetes cluster

1. The following error was reported during the creation of Nginx pod:#kubectlcreate-F Nginx-pod.yaml from " Nginx-pod.yaml " " Nginx " is for default/default is automatically created and added to the service accountWorkaround:1> Modify the Kube_admission_control parameter in the/etc/kubernetes/apiserver file.Before modification:Kube_admission_control="--admission_control=namespacelifecycle,namespaceexists,limitranger, Securitycontextdeny,serviceacco

kubernetes-Introduction (i)

Brief introductionKubernetes is an open source, containerized application for managing multiple hosts on a cloud platform, with the goal of making deploying containerized applications simple and efficient, Kuernetes provides a mechanism for application deployment, planning, updating, and maintenance.In Kubernetes, all containers are run in pods, and one pod can host one or more related containers. Each pod system created by the user automatically choo

CentOS7 under Yum installation kubernetes

components $ yum install-y etcd kubernetes NTP flannel 3, each node configuration ETCD Server # Modify config file $ vim/etc/etcd/etcd.conf Etcd_name=defaultEtcd_data_dir="/var/lib/etcd/default.etcd"Etcd_listen_client_urls="http://localhost:2379,http://192.168.80.139:2379"Etcd_advertise_client_urls="http://192.168.80.139:2379"# Start Service $ systemctl start ETCD $ systemctl enable etcd# check ETCD cluster status $ etcdctl cluster-Hea

Kubernetes Traefik Configuring HTTPS Practice Action Records

1. Reference documentationhttp://traefik.cn/2. Simple way to accessReference documentshttps://tonybai.com/2018/06/25/the-kubernetes-ingress-practice-for-https-service/Previous: Traefik Basic deployment record, describes the simplest HTTP access Traefik, the access process reference is shown below:Client---(via HTTP)---> Traefik----(via HTTP)----;? ServicesNow to practice is more secure and more complex HTTPS access Traefik, there are two kinds of acce

Kubernetes Cluster Monitoring Scheme

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 to the user in a graphical form on the Web page. Before you begin, it is necessary to understand what the next Prometheus is. Prometheu

The usage of kubeconfig in kubernetes

In a cluster with TLS enabled, each time the cluster interacts with identity authentication, using Kubeconfig (i.e., certificates) and token two authentication methods is the simplest and most common authentication method.Take Kubectl as an example to introduce the configuration of Kubeconfig. Kubectl is just a go-written executable program that can be used by any node in the cluster as long as the appropriate Kubeconfig is configured for Kubectl. Kubectl Default is to find files with file names

Installation of the Kubernetes+docker cloud Platform on the CentOS7 system

Kubernetes+docker the cloud platform in CentOS7 installation on the system 1. Run VIRTUALBOX5. 2. Install the CENTOS7 system.Note: Select the basic server typeThe installation process is slightly. 3. Modify the computer IP and computer name.1) Nmtui1.Modify Host Name:NMCLI General hostname slave1.smartmap.com2.Modify Network ConnectionsNMCLI Connection Edit ENP0S3Nmcli> Goto IPv4Nmcli ipv4> Set Method manualNMCLI ipv4> Set Addresses 192.168.1.203/16N

Deploying Heketi and Glusterfs in Kubernetes

Deploying Heketi and Glusterfs in Kubernetes[TOC]1. PrefaceIn Kubernetes, using the Glusterfs file system, the procedure is usually:Create brick--> Create volume--> Create pv--> create pvc-->pod mount PVCIf you are creating more than one PV, you need to manually repeat these interlocking steps, Heketi can resolve these duplication problems.Heketi is used to manage the life cycle of the glusterfs volume and

To manually generate a certificate for Kubernetes

By default, Kubernetes has a certificate validity period of 1 years when initializing a cluster. Manually generating certificates can avoid this problem. Pull git code git clone https://github.com/fandaye/k8s-tls.git CD k8s-tls/2. Edit the configuration file ' Apiserver.json ' file in the Hosts section, add the corresponding Kubernetes master node hostname and IP address to ', ' number interv

Kubernetes Learning Resources

Reference article:1. Kubernetes Learning Resources1, "Kubernetes and cloud-native application" series of kubernetes system architecture and design concept2, [Docker Professional introduction website Dockerinfo] (Dockerinfo-docker container Technology tutorial, docker information dissemination and service platform)3, [Docker Professional introduction website Docko

Kubernetes Network plugin CNI learning and finishing

Summary Project Background (XX Bank customer): The private cloud on the k8s to run like MySQL in the state of the database services, performance and latency are relatively sensitive, not like the web bias application of stateless delay performance almost acceptable. But the network performance and delay is poor based on overlay mode, and the network architecture is more complex. And banks need to be simple and controllable for IP network management. Sr-iov is based on hardware implementation of

Kubernetes (k8s) cluster deployment (K8S Enterprise Docker container Cluster Management) series Deployment Master/node node components (iv)

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 master,:github.com/kubernetes/

Deploy a kubernetes cluster on CentOS7.0

Deploy a kubernetes cluster on CentOS7.0I. Deployment environment and architecture OpenStack: hengtian cloud 3.4 Operating System: centos 7.0 Flannel: 0.5.5 Kubernetes: 1.2.0 Etcd version: 2.2.2 Docker version: 1.18.0 Cluster information: Role Hostname IP Address Master Master10.0.222.2 Node Node1 10.0.222.3 Node Node210.0.222.4 Node Node3 10.0.222.5 Node Node4 10.0.222.6 The master node contains

Kubernetes Cluster management platform based on Python+django

the original is from the "Listen to Cloud Technology blog": http://blog.tingyun.com/web/article/detail/1345Today, contact Kubernetes also has a period of time, and most of our business has been stably run in different sizes of kubernetes clusters, we have to say, whether from the application deployment, iteration, or resource scheduling management and other aspects have their unspeakable advantages, But as

"Container + cloud" Integration: China Open source Enterprise Rapid layout kubernetes

650) this.width=650; "Src=" https://s3.51cto.com/wyfs02/M01/8F/D4/wKioL1js5fvx38eyAAIilo3ggrk054.jpg-wh_500x0-wm_ 3-wmp_4-s_3362591799.jpg "title=" docker-swarm-kubernetes copy 2.jpg "alt=" Wkiol1js5fvx38eyaaiilo3ggrk054.jpg-wh_50 " />March 2017 is an important month in the history of open source software. This month, AWS partnered with Startups Heptio to launch the Kubernetes (k8s) Open source container Cl

Kubernetes Study and Practice (ii) installation of kubernetes1.5 and deployment of cluster environment

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 is open source by Google, provides the functions of resource scheduling, deployment operation, se

Kubernetes 1.5 Configuration Dashboard

Configuring the Kubernetes dashboard is relatively straightforward. Similarly, only need to obtain the Dashboard-controller.yaml and Dashboard-service.yaml files from the source code, slightly modify can:wget Https://rawgit.com/kubernetes/kubernetes/master/cluster/addons/dashboard/dashboard-controller.yamlwget Https://rawgit.com/

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