Sealos install Kubernetes v1.16.0 HA cluster

github project linkhttps://github.com/fanux/sealos Initialize master and worker nodes Initialization script init.sh #!/bin/bash # Execute on both master and worker nodes # Install docker # The reference documents are as follows # https://docs.docker.com/install/linux/docker-ce/centos/ # https://docs.docker.com/install/linux/linux-postins ...

Posted by aquaslayer on Fri, 08 Nov 2019 21:25:29 +0100

Upgrade, rollback, expand and shrink of k8s resource object

1. One of the ways to create resources is to create resources by command, understand the actions after the command runs, and summarize the origin of Pod name by viewing resources. When we execute the command to create resources, the deployment controller will manage the pod through the replicaset controller. Next, we will analyze through an ex ...

Posted by westen on Thu, 07 Nov 2019 07:11:11 +0100

Kubernetes V1.16.2 deploy Dashboard V2.0(beta5)

kubeadm is a tool for rapid deployment of kubernetes clusters launched by the official community. 1. Installation requirements Before you start to deploy the Kubernetes cluster machine, you need to meet the following conditions: One or more machines, operating system centos7.6-86 Hardware configuration: 4GB or more RAM, 4 CPU s or more, 30GB ...

Posted by pikymx on Tue, 05 Nov 2019 02:12:36 +0100

Introduction and installation of K8s (Kubernetes)

Preface: k8s is the abbreviation of Kubernetes. Because there are eight letters between K and S, it is called k8s. k8s was originally used within Google for more than 10 years. Its predecessor was Borg, and it was not donated as an open source project by Google until 2015. If we have contacted OpenStack before, we should know that OpenStack c ...

Posted by tinyashcities on Tue, 05 Nov 2019 01:45:24 +0100

Quick Oracle server script installation on CentOS

  Configure repos source # cd /etc/yum.repos.d # wget http://yum.oracle.com/public-yum-ol7.repo The official website points out that the version to be installed is enable =1, so you need to modify the. repo file.   Download RMP-GPG-KEY wget http://public-yum.oracle.com/RPM-GPG-KEY-oracle-ol7 -O /etc/pki/rpm-gpg ...

Posted by John_wilson on Sat, 02 Nov 2019 00:44:25 +0100

Learn the other two types of host,none of docker network from scratch

We have already introduced the bridge network, which is more complex. This section introduces two simple networks: host and none. none Network First, we introduce the Network of type none. First look at our Network: duandingyang@duandingyangdeMacBook-Pro  ~/docker/ubuntu-16.04  docker network ls NETWORK ID NAME D ...

Posted by ud2008 on Fri, 01 Nov 2019 20:35:36 +0100

Jenkins + docker compose one click publishing of spring cloud service

Preface The previous article described using docker+jenkins to publish the spring boot project on github. However, once multiple services need to be published together, one configuration for one is too tired to publish. Is there any way to package multiple docker images at one time, and then deploy the image file as a running container? Docker ...

Posted by Dillenger on Wed, 23 Oct 2019 09:24:26 +0200

Java application configuring container health check in docker environment

stay Fast experience docker container health This article has experienced the health check function of docker container. Today, we will add health check to the container of java application, so that the application status can be monitored and viewed at any time. Actual combat environment information Operating system: macOS Catalina 10.15 Dock ...

Posted by rob.weaver on Mon, 21 Oct 2019 12:40:44 +0200

Build php development environment with win10 docker toolbox

Download mirroring docker pull mysql:5.7 docker pull php:7.2-fpm docker pull nginx docker pull redis:3.2 Set up shared files Host create directory E:\wnmp\mysql57\conf E:\wnmp\mysql57\log E:\wnmp\php72\conf E:\wnmp\php72\conf E:\wnmp\nginx\conf E:\wnmp\nginx\conf E:\wnmp\www vmware setting up file sharing PicturedAfter setting, execute docker ...

Posted by Cless on Sat, 19 Oct 2019 16:01:09 +0200

Flannel working principle and source code implementation of Kubernetes network analysis

Flannel is an open-source CNI network plug-in of cereos. The figure below shows a schematic diagram of a data package provided by flannel official website after packet, transmission and unpacking. From this picture, we can see that the docker0 of two machines are in different segments: 10.1.20.1/24 and 10.1.15.1/24. If you connect the Backend S ...

Posted by ben2.0 on Fri, 18 Oct 2019 06:03:21 +0200