centos7 uses docker to build the running environment and deploy jar

*First, there is a clean CentOS 7 environment 1. To install docker, you need to use Yum to pull it, so get the yum source first. yum install -y yum-utils device-mapper-persistent-data lvm2 Add docker warehouse location for yum source yum-config-manager --add-repo https://download.docker.com/linux/cento ...

Posted by czambran on Tue, 30 Jun 2020 00:28:51 -0700

Building K8S cluster of EMQ X MQTT server from scratch

EMQ X Team provides Helm chart for users to deploy EMQ X on kubernetes cluster with one click MQTT server This is the most recommended method of deploying EMQ X MQTT server on kubernetes or k3s cluster by EMQ X Team. This paper will use the method of handwritten yaml file to deploy a K8S cluster of EMQ X MQTT server from scratch, and analyze t ...

Posted by chacha102 on Mon, 29 Jun 2020 22:46:35 -0700

This simple setup allows your Docker image to take off

This article has been included GitHub There are also Internet factory interview questions, interview strategies, efficient learning materials and so on 1. Preface Docker is cool to use, especially when used in DevOps practice.However, when you pull a mirror at home or locally, you often encounter constipation - either slowly or intermittentl ...

Posted by oneday on Mon, 29 Jun 2020 16:19:02 -0700

Production environment database backup scheme

1, Introduction After the product goes online, our data is very important. It's not allowed to be lost. We should be well prepared. If one day is hacked or deleted maliciously, it will crash. So we need to do full backup and incremental backup for our online database regularly. For example, make incre ...

Posted by lauxanh on Sat, 27 Jun 2020 01:35:14 -0700

Practical AbbitMQ tips that took 3 days to summarize

Previously read articles about RabbitMQ core messaging patterns are based on Java API s, and recently read the official documentation and found that these core messaging patterns can be implemented through Spring AMQP.This paper summarizes the practical techniques of RabbitMQ, including its installation on Windows and Linux, and the Spring A ...

Posted by shamuntoha on Thu, 25 Jun 2020 09:15:41 -0700

[docker installation and basic commands]

1, docker: container based Virtualization (hosting applications to application containers) implements an application level resource isolation and quota. What is a container?Container: lightweight Virtualization (sharing the same system kernel). The container is run by the container image.Advantages: h ...

Posted by mark123$ on Thu, 25 Jun 2020 05:08:49 -0700

010.OpenShift comprehensive experiment and Application

Experiment 1 install OpenShift 1.1 preparation [student@workstation ~]$ lab review-install setup 1.2 configuration planning OpenShift cluster has three nodes: master.lab.example.com: the OpenShift master node is a node that cannot be scheduled for pod. node1.lab.example.com : an OpenShift node that can run applications and infrastructure pod s ...

Posted by jmcc on Mon, 22 Jun 2020 20:48:05 -0700

How Dcoker Builds Private registry Mirror Warehouse

How Docker builds a private mirror warehouse, how to access it, and how to delete the private mirror warehouse image Machine Planning Server name (hostname) Operating System Version Intranet IP External Network IP (Analog) Install software docker01 CentOS7.7 172.16.1.31 10.0.0.31 docker dock ...

Posted by brob on Mon, 22 Jun 2020 09:21:52 -0700

Packaging and deployment of SpringBoot and Mysql application Docker

This paper implements a simple springboot+mysql application (ip count based on user access and stored in mysql database), builds a docker image for the application, implements the deployment of docker container and the docking with mysql container Docker installation You can install docker desktop f ...

Posted by friedemann_bach on Sun, 21 Jun 2020 00:02:11 -0700

Docker (warehouse) - Docker Hub public warehouse + enterprise level private warehouse building process

catalog1, What is a warehouse2, Install and configure Docker Hub3, Configure image accelerator4, How Registry works5, CONTENTS6, Build private warehouse 1, What is a warehouse What is a warehouse? The docker warehouse is used to contain images. Docker provides a registration server (Register) to save mu ...

Posted by Canman2005 on Fri, 19 Jun 2020 01:26:50 -0700