The content of this section:
Service Discovery and load balancing
Ingress Combat
First, service discovery and load balancingIn the previous installation deployment Kubernetes cluster, it was simple to demonstrate that pod and Service,kubernetes implemented service discovery and load balancing for containers within the Kubernetes cluster through
Download deployment Files according to official documentshttps://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yamlEdit this and replace the role name with the following command implementation:
Create Kubernetes-dashboard-rbac.yamlDownload the deployment file, there is a place to note, it is created in
How to build a Kubernetes (k8s) Environment
The official version of k8s is updated too quickly. Many articles on the Internet are outdated and many tools and interfaces have changed. the official website does not have a good understanding. Here we only record the process of setting up the k8s environment and will not talk about many k8s concepts. Therefore, we recommend that you first understand various concepts and then build the environment, then, i
Prerequisite: CENTOS7 has been updateYum Update-yFirst, to create a Yum source Master,slave areKubernetes Release version Yum sourcehttp://cbs.centos.org/repos/virt7-docker-common-release/x86_64/os/Packages/VI Virt7-docker-common-release.repo[virt7-docker-common-release]name=virt7-docker-common-releasebaseurl=http://cbs.centos.org/repos/ Virt7-docker-common-release/x86_64/os/gpgcheck=0Second, Yum installation ServicesYum-y Install--enablerepo=virt7-docker-common-release
The content of this section:
Traefik Introduction
Two services deployed for testing
Role Based Access Control configuration (Kubernetes 1.6+ only)
Deploying Traefik
Deploying Ingress
Deploying the Traefik UI
Access test
Health Check
I. Introduction of TraefikTraefik is a front-end load balancer with good support for orchestration tools such as MicroServices architecture, especially
OWCMicrosoft Office Web Components) is a data binding ActiveX Control used by Microsoft Office to add charts to Web pages. OWC supports two-dimensional charts (such as line charts, column charts, and stock price charts) and polar charts
converts this mschart component into a managed code file. However, this process is relatively complicated and the chart generated using this method is quite slow, in addition, it is restricted by the mschart component itself and cannot be used to generate complex charts.
This document uses the stock market chart as an example to describe how to implement the chart in ASP. NET. In fact, the market chart we see is not a chart, but an image. This arti
When analyzing and comparing large volumes of data, the most common and intuitive way to show is to draw a trend chart. In general, we use EXCEL to create various types of trend charts, but they are all based on static data, that is, the data is prepared in advance rather than dynamically generated. If you publish a chart online, you can only publish it using a static GIF image. This does not fundamentally meet the needs of different users for differe
1. JS ChartsFeatures
Prepare your chart data in XML, JSON or JavaScript Array
Create charts in different templates like bar charts, pie charts or simple line graphs
You don ' t need any server-side plugins/modules
It ' s compatible with the most web browsers
3D Pies and 3D bars is available in the latest version
2. FlotFeatures
The applet chart plug-in (wx-charts) is drawn based on canvas. it is small in size and supports Chart chart types such as pie chart, line chart, column chart, and area chart, currently, wx-charts is a powerful component of the applet chart plug-in. the wx-charts parameter and usage tutorial of the applet chart plug-in are as follows. The applet chart plug-in (wx-
Kubernetes cluster configuration notes
This article describes how to configure a Kubernetes cluster. A kubernetes cluster consists of a master node and a slave node.
Run the following services on the Master node:Etcd (the etcd service can also be run independently, not necessarily on the Master node)Kube-apiserverKube-controller-managerKube-schedulerKubeletKube-p
This article CSDN blog address: http://blog.csdn.net/huwh_/article/details/71308171First, the kubernetes of the general structure of the two, kubernetes each component introduction (a) kube-master[control node]
Workflow Flowchart for Master
Kubecfg sends a specific request, such as creating a pod, to the Kubernetes Client.
Docker Network BasicsSince Kubernetes is based on the Docker container as the carrier of the application release, the network characteristics of Docker also determine that kubernetes in building a container interoperability network must solve the problem of Docker's own network.Network namespacesTo support multiple instances of the network protocol stack, Linux introduces a network namespace in the network
-speed storage to store a large number of fragmented files. What the user needs to do is submit the resource request to the cloud platform and then fetch and consume the storage resource without worrying about which disk of the storage server The underlying store is from. to meet the storage needs of container users in the cloud environment. Kubernetes provides the concept of persistent volumes (PERSISTENTVOLUME,PV) and persistent volume requests (PE
This is a creation in
Article, where the information may have evolved or changed.
K8s Offline installation package Three-step installation, simple to unbelievable
Kubeadm Source Code Analysis
To say the truth, Kubeadm code is sincere, the quality is not very high.
A few key points to first talk about some of the core things Kubeadm did:
Kubeadm Generate certificate in/etc/kubernetes/pki directory
Kubeadm generate a static pod Yaml configurati
Introduction and practice of pod in kubernetes
The concept of podDetailed pod explanation can refer to k8s official website, the concept of pod mainly has the following points:(1) Pod is the smallest and simplest unit that you can create and deploy in Kubernetes. A pod represents a process that runs in a cluster;(2) How to use pod in kubrenetes cluster;(3) How to manage multiple containers in pod
Unde
[TOC]Introduction to Kubernetes DispatchingIn addition to having the Kubernetes cluster scheduler automatically select a node for the pod resource (the default schedule is that the resources are sufficient and the load is as average as possible), there are situations where we want to have more control over how the pod should be dispatched. For example, some of the machines in the cluster are better configur
Kubernetes is Google 's Open source container cluster management system. It is built on Docker technology and provides a whole set of functions, such as resource scheduling, deployment operation, service discovery, expansion and contraction capacity, for containerized applications, which can be regarded as Mini-paas platform based on container technology. The purpose of this article is to comb the architecture, concepts, and basic workflows of
Official Document: HTTPS://WWW.KUBERNETES.ORG.CN/DOC-11The Kubernetes cluster contains the node agent Kubelet and master components (APIs, scheduler, etc), all based on a distributed storage system. The following diagram is an architectural diagram of the kubernetes.Kubernetes nodeIn this system architecture diagram, we divide the service into services running on the work nodes and the services that make up the cluster-level dashboard.The
Service discovery mechanism Kubernetes provides two ways to discover the service:1. Environment Variables When the pod is running, Kubernetes writes the information for the service that existed before This method requires that the pod must be started after the service. The pod that was started before the service will not have an environment variable for that service. There is no such limit in the way
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