Release notes

Official Website Installation Tutorial

Install the docker


There are many installation tutorials on the Internet, most of which are summarized by others and can be said to be results, but do not introduce how to achieve the results. This tutorial will show you how to install Docker on centos. This tutorial will show you how to install Docker on centos. This tutorial will show you how to install Docker on centos. (The official website tutorial is for foreign, so there are some adjustments for domestic installation)

Release notes

Centos-7 (The new version has high usability, and many enterprises do not use centos-6.8, so the centos-7 version is selected here, which conforms to the real enterprise scenario)

Official Website Installation Tutorial

Docs.docker.com/engine/inst…

Install the docker

Uninstalling an old version

sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine
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Dependencies required to install the Docker environment

sudo yum install -y yum-utils device-mapper-persistent-data lvm2
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Set location of Docker in yum repository

sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo
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Install the docker

sudo yum install docker-ce docker-ce-cli containerd.io
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Configure Aliyun Docker image accelerator (Docker downloads images from abroad by default, slow network speed)

Aliyun Docker image accelerator is free, you can log in and apply

Set Docker to boot automatically upon startup

system enable docker
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Verify that Docker was installed successfully

sudo docker run hello-world
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Teach a man to fish rather than give him a fish