K8S configuration center configMap and Secret
In the production environment, we often encounter the need to modify the configuration file. The traditional modification method will not only affect the normal operation of the service, but also the operation steps are very cumbersome. To solve this problem, the kubernetes project introduced the ConfigMap function from version 1.2 to separate ...
Added by terandle on Mon, 03 Jan 2022 01:34:47 +0200
Build a K8S cluster with single master and multiple node s in kubedm mode (K8S version: v1.20.1)
kubeadm is a tool launched by the official community for rapid deployment of kubernetes clusters.
This tool can deploy a kubernetes cluster through two instructions:
# Create a Master node
kubeadm init
# Add a Node to the current cluster
kubeadm join <Master Nodal IP And ports >
Build K8S cluster in kubedm mode
Building a K8s cl ...
Added by irishdreaming on Mon, 03 Jan 2022 00:55:42 +0200
Container cluster k8s from introduction to proficient cluster environment construction (Chapter 2)
Chapter II cluster environment construction
This chapter mainly introduces how to build kubernetes cluster environment
Environmental planning
Cluster type
kubernetes clusters are generally divided into two types: one master-slave and multi master-slave.
One Master and multiple slave: one Master Node and multiple Node nodes are simple to bu ...
Added by Jtech inc. on Sun, 02 Jan 2022 23:29:25 +0200
Thoroughly understand Events in Kubernetes
Hello, I'm Zhang Jintao.I wrote an article before More elegant Kubernetes cluster event measurement scheme , Jaeger uses tracing to collect and display events in Kubernetes cluster. The final effect is as follows:When I wrote that article, I set up a flag to introduce the principle in detail. It's been a long time. Now it's the end of the year, ...
Added by jalperin on Sun, 02 Jan 2022 22:40:52 +0200
Linux combat notes ---- Pod life cycle and controller
1, pod life cycle
A Pod can contain multiple containers in which applications run. At the same time, a Pod can also have one or more containers Multiple Init containers started before the application container.The Init container is very similar to an ordinary container, except for the following two points:
They always run to completion.Init ...
Added by sunilmadhav on Sun, 02 Jan 2022 21:00:47 +0200
Using Alibaba cloud's MSE, the last real gray publishing scheme
1. What is MSE
Alibaba cloud MSE (Microservices Engine) microservice engine includes the following three main modules: microservice registry, microservice governance and cloud native gateway. The label routing in the microservice governance function can realize the gray function.
2. Gray demand
Except for traffic entry (such as pile ...
Added by jera on Sun, 02 Jan 2022 14:35:39 +0200
Operation and maintenance practice -- Configmap configuration management of kubernetes storage
1. What is Configmap?
Storage types in k8s are generally divided into Configmap, Secret and Volumes. configMap is a kind of storage. It is mainly used to save configuration data in the form of key value pairs. The configMap resource provides a method to inject configuration data into the Pod to decouple the image from the configuration fil ...
Added by nscipione on Sun, 02 Jan 2022 12:37:58 +0200
Linux combat notes - kubernetes scheduling
1, Introduction to scheduler
The scheduler uses kubernetes' watch mechanism to discover newly created clusters that have not yet been scheduled Pod on Node. The scheduler will schedule each unscheduled pod found to an appropriate Node Come up and run. Kube scheduler is the default scheduler for Kubernetes clusters and is part of the cluster co ...
Added by ravravid on Sun, 02 Jan 2022 11:39:19 +0200
Prometheus Operator - Part I - installation and use
What is Prometheus Operator?
To facilitate the management and deployment of Prometheus in Kubernetes, we use ConfigMap to manage Prometheus configuration files. Every time we upgrade the Prometheus configuration file, we need to manually remove the running Pod instance so that Kubernetes can create Prometheus with the latest configuration fil ...
Added by aalmos on Sun, 02 Jan 2022 06:17:43 +0200
Kubernetes configmap, secret configuration management, Volumes configuration
I Introduction to ConfigMap
Configmap is used to save configuration data in the form of key value pairs.
The configMap resource provides a way to inject configuration data into the Pod.
Decouple the image from the configuration file to realize the portability and reusability of the image.
Typical usage scenarios:
Populates the value of ...
Added by recset on Sun, 02 Jan 2022 05:40:53 +0200