Programming VIP

Network strategy In Kubernetes, the definition of network isolation capability is described by a special API object, that is, NetworkPolicy. The Pod in Kubernetes is "Accept All" by default, that is, the Pod can receive requests from any sender; Or send a request to any recipient. If you want to limit this situation, you must specify ...

1. Environmental description This method is used in production environments Highly available tool: kept Load balancing: haproxy (or nginx, lvs) The versions of docker, kubedm and kubelet programs are shown in the figure below: Virtual machine: 2. Main process steps System environment configuration - kernel upgrade to above 4.19 - docker i ...

  I Machine information [root@kube-gmg-03-master-1 ~]# uname -a Linux kube-gmg-03-master-1 3.10.0-957.el7.x86_64 #1 SMP Thu Nov 8 23:39:32 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux [root@kube-gmg-03-master-1 ~]# cat /etc/redhat-release CentOS Linux release 7.9.2009 (Core) 2, Host information Three machines are prepared for deployment k8s in thi ...

explain k8s it is better to prepare 3 machines, including: One master node2 node nodes The three host names and ip addresses in my environment are as follows: Note: do not use localhost for the host name localdomain maset: 192.168.59.142node1: 192.168.59.143node2: 192.168.59.144 These hosts do not have to be connected to the Inter ...

This article records the usage information of common components of Kubernetes. Please correct any errors. Pod Pod is a container running environment that contains a group of containers and enables each container to share namespace, network, cgroups, data volumes and other resources with each other. Pod is just a container running environmen ...

The official account of WeChat: the story of operation and development. Summary: wechat alerts are mainly sent to enterprises through webhook. Multi sink and multi configmap are used to realize multi wechat group alerts and @ corresponding persons. Offline event alarm Kube eventer is an k8s offline event collector open source by Alibaba. T ...

For more information, please pay attention to wl-awesome Argo CD brief introductionCore conceptDeploy argocdpractice Process analysisSource library key filesConfiguration library key filesharbor library configuration informationargocd configuration informationSample applicationBest practices Reference documents Argo CD brief intro ...

explain Kubernetes kubectl command table [Chinese website] Kubernetes kubectl command table The most common and direct way to use and maintain Kubernetes clusters is to use the built-in command-line tool Kubectl.The following picture is an overview, which can be used to recall memory after familiarity. Note: Although the following com ...

Centos7 installation K8S 1. Server Three Centos7 servers need to be prepared and configured with at least 2C and 2G. All three servers have been configured with static IP. If not, please refer to: Configuring static IP for VM Ware+Centos7 host nameIPDocker versionHost configurationK8S versionmaster01192.168.159.17120.10.72C8G1.21.2wo ...

catalogue 1. Service Grid 2. Open source implementation 2, Istio service deployment 1. Installing Istio 2. Installing istio components 3, Flow trend of traditional mode 1. Scene 1 2. Resource list 3. Operation implementation 4, Analyze the default traffic scheduling mechanism under 1. Detailed explanation of cluster traffic schedulin ...