Introduction to docker

Introduction to docker docker pull website Docker - Official Image | Docker Hub 1. Install docker 1. Delete the local docker yum remove docker* 2. Download the yum runtime library sudo yum install -y yum-utils 3. Set download source yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo 4. Download do ...

Posted by sader on Sun, 28 Nov 2021 06:23:48 -0800

Ten minutes to understand docker

1, What is docker? wiki introduction Docker is an open source software and an open platform for developing, shipping and running applications. Docker allows users to separate applications in Infrastructure to form smaller particles (containers), so as to improve the speed of software delivery. Docker containers are similar to virtu ...

Posted by QSDragon on Sat, 27 Nov 2021 22:47:07 -0800

CentOS 7 builds k8s cluster v1.22.4

CentOS 7 builds k8s clusters Environmental Science: iphost namerole192.168.25.133k8s01master192.168.25.134k8s02slave192.168.25.135k8s03slave Install the necessary software yum install -y net-tools.x86_64 wget yum-utils Configure hosts cat >> /etc/hosts << EOF 192.168.25.133 k8s01 192.168.25.134 k8s02 192.168.25.135 k8s03 EOF ...

Posted by rohithmr on Sat, 27 Nov 2021 10:25:39 -0800

Configuring MySQL master-slave replication based on docker

Master slave replication working principle Master slave replication is a high availability and high performance solution provided by MySQL. The working principle is divided into the following three steps: 1. The master records the data changes in * * binlog * *. 2. The I/O thread from the slave saves the binary log read from the master lib ...

Posted by jay_bo on Fri, 26 Nov 2021 12:30:43 -0800

Docker ------ first command

preface Following the content of the previous blog, let's learn about the types of docker commands 1, Mirror operation 1. View docker version docker version 2. Search for images Format: docker search keyword docker search //Find images from Docker Hub docker search nginx NAME DESCRIPTION STARS OFFICIAL AUTOMATED #Parameter Desc ...

Posted by Snart on Fri, 26 Nov 2021 10:13:50 -0800

Docker image construction process record

Docker image construction process record Build a docker image for a java project of the company and store the image in a private library. Record the operation process. 1. Packing This is a maven project of spring boot. The packaging command is very simple. cd /projecthome mvn clean package Here, due to the pom file configuration of mvn, ...

Posted by brettpower on Thu, 25 Nov 2021 20:25:33 -0800

Docker Basics

Content of this paper Problems solved by DockerDocker discussionDocker common commandsBrief description of Docker image, network and data volumeDockerFileDockerComposeContainer orchestration Swarm and k8s Note: the content of this article comes from the Docker video summary of crazy God talking java in station B. 1, Why did Docker appear &e ...

Posted by Kane250 on Thu, 25 Nov 2021 13:00:27 -0800

Dockerfile custom image

Dockerfile custom image docekr learned that so far, we are all using third-party images, that is, third-party images in the remote image warehouse, but there will be a problem? Problem: images cannot be modified, but only have read permissions. In different specific environments, third-party images cannot support our needs. How to solve this pr ...

Posted by Sirus121 on Wed, 24 Nov 2021 02:13:59 -0800

Docker - Common docker commands

Docker - Common docker commands 1. Background start Syntax: docker run -d Image name Usage example: Run a container in background mode: docker run -d centos Note: when we start a container in the background mode, there must be a foreground process, otherwise the docker container will automatically stop if it finds no application. ...

Posted by BenMo on Wed, 24 Nov 2021 00:24:14 -0800

Zookeeper 3.6.x ultimate operation and maintenance

At first, I refused to operate Zookeeper. I haven't done this thing, but I've always known about it, and I've never used it; Well, after reading the official website documents and trying for a period of time, I can only say "that's it ~". This article does not involve too much other people's blog knowledge, just look at it zk officia ...

Posted by Colton.Wagner on Sun, 21 Nov 2021 23:52:09 -0800