kubernetes CRD is so simple

Original address Extending kubernetes is the two most commonly used and most needed things to master: custom resources CRD and adminsion web hook. This article teaches you how to master CRD development in 10 minutes. kubernetes allows users to customize their own resource objects, just like deployment stateful settings, which are widely used. F ...

Posted by metin on Fri, 26 Jul 2019 21:15:10 -0700

Big Data Framework Foundation Initial Hadoop Environment Installation Settings

Hadoop is supported by the GNU/Linux platform (recommendation). Therefore, you need to install a Linux operating system and set up a Hadoop environment. If you have a Linux operating system and so on, you can install it in VirtualBox (with the experience of installing Linux in VirtualBox, you can lea ...

Posted by welshmike on Fri, 26 Jul 2019 21:10:39 -0700

9102, Play Mail System Again: Installation

The original is published on a personal site: GitDiG.com , link to the original text: 9102, Play Mail System Again: Installation This article was originally intended to be written in the middle of a series of articles about the mail system in 9102, but it was the first to do so.This series will include the following three articles: [] 9102, P ...

Posted by Ali_baba on Thu, 25 Jul 2019 18:12:52 -0700

k8s practice 18:statefulset learning configuration record

1.Basic concepts statefulset, which can be translated into stateful settings. Contrast with deployment The pod created by deployment deployment is stateless. The rescheduling of pod, the name of pod hostname, the order of starting pod and deleting pod are random. The deployment uses shared storage, and all pods share a single volume. The pod c ...

Posted by kittrellbj on Thu, 25 Jul 2019 03:28:26 -0700

Construction of k8s_v1.15.0_HA Cluster Foundation Environment

The first time I wrote a blog in Yunlu community, I took the process of building Kubernetes high-availability cluster infrastructure to try. Haha.First, the configuration is briefly introduced: proxy uses ipvs, network uses calico, stacked etcd cluster, and apiserver uses haproxy+keepalived for load balancing My github link https://github.com/J ...

Posted by Jarl on Wed, 24 Jul 2019 23:40:26 -0700

kubernetes Practice Guide

1. Prerequisites for deployment2. CA and private key3. Deployment of kubectlIV. Deployment of etcd5. Deployment of flannel 1. Prerequisites for deployment The next few articles focus steadily on the 1.14.3 version of the binary installation of kubernetes 1. Version information docker:v17.06.0-ce etcd:v3.2.26 flannel:v0.11.0 Kubernetes:v1.14.3 ...

Posted by Akenatehm on Wed, 24 Jul 2019 12:12:53 -0700

Target Tracking Practice Note 3

OpenTracker Compilation and Process Interpretation After OpenCV is installed and compiled, you can run several open source projects to see how it works, and then learn the essence from the theory. Learning should first learn to apply, explore theory in application, improve innovation, rather than all ...

Posted by neojordan on Wed, 24 Jul 2019 01:25:05 -0700

How to Enjoy Performance Testing on Linux Command Line Interface

In the process of performance testing, I encountered a problem. The tester chose a Linux server with only command line interface. Execution of test cases is not very flexible. Sometimes I need to change one or two parameters to add some logs and redeploy them. Although automated construction is convenient, it feels like a big circle. After some ...

Posted by s_ainley87 on Wed, 24 Jul 2019 00:52:21 -0700

Docker Learning Notes: Installation and Basic Usage

I. Installation 1.1 Install docker-ce on centos7 Check system and kernel version [root@myhost img1]# cat /etc/redhat-release CentOS Linux release 7.3.1611 (Core) [root@myhost img1]# uname -r #Kernel version must be above 3.10, centos7 just meets. 3.10.0-514.21.1.el7.x86_64 Execute the following commands in turn #Adding Pac ...

Posted by steelerman99 on Tue, 23 Jul 2019 19:50:23 -0700

Introduction to Python Crawler [19]: scrapy of Blog Comments Data on Station B

1. A Brief Introduction to Data Crawling of Blog Biographical Comments on Station B Today, I have been thinking for half a day about what to grab. I went to station B to see my little sister dancing. Suddenly I saw the comments. Then I grabbed the commentary data of station B. There are so many video ...

Posted by efegue on Tue, 23 Jul 2019 07:18:13 -0700