Docker easy installation tutorial

• The detailed address of the document is docs.docker.com/

• Installation documents detailed address: docs.docker.com/engine/inst…

• The full translation of the official documentation about docker installation on Linux: juejin.cn/post/697654…

• Installation steps:

  • Preparations before installation

    • The detailed page of the installation document is displayed
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  • See if the requirements of the system are met and uninstall the previously installed version

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  • Installation mode

    • Three kinds of
      • Docker-ce docker-ce cli containerd. IO
        • Docker-ce server Server CE indicates community edition
        • Docker – ce – cli client
      • Download the offline DEB installation package
        • Suitable for offline
      • Use automatic and convenient scripts for installation
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  • Recommended Installation method

    • SET UP THE REPOSITORY

      • Update apt-get and make sure apt can connect to repository via HTTPS

      • $sudo apt-get update $sudo apt-get install \     apt-transport-https \     ca-certificates \     curl \         gnupg - agent \         software - the properties - commonCopy the code

      • Add Docker’s official GPG key (mainly to check whether the download is correct)

      • curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - 
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      • Verify and fingerprint is the same (9DC8 5822 9FC7 DD38 854A E2D8 8D81 803C 0EBF CD88), only extract the last 8 bits on the line

      • sudo apt-key fingerprint 0EBFCD88
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      • Use the following command to set up the repository for stable

        • Linux in foreign servers, super slow

          • Sudo add apt - repository \    "Deb \ [arch = amd64] https://download.docker.com/linux/ubuntu     $(lsb_release - cs) \ stable" 
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        • Change to Aliyun, fast

          • Sudo add apt - repository \    "Deb \ [arch = amd64] https://mirrors.aliyun.com/docker-ce/linux/ubuntu     $(lsb_release - cs) \ stable" 
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  • INSTALL DOCKER ENGINE

    • Docker-ce -cli containerd.io

      • sudo apt-get update 
        sudo apt-get install docker-ce docker-ce-cli containerd.io 
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    • This step is useful if you want to install the specified version, otherwise skip this step

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    • Verify that the installation is successful

      • sudo docker run hello-world 
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      • Docker Engine is installed and running

  • Uninstall steps:

    • Uninstall Docker Engine, CLI, and Containerd Packages

      • sudo apt-get purge docker-ce docker-ce-cli containerd.io 
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    • Delete things in folders that Docker automatically creates

      • sudo rm -rf /var/lib/docker 
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      • This step must be performed manually

Ali Cloud image acceleration

• Step of acceleration

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• Code command

  • sudo mkdir -p /etc/docker 
    sudo tee /etc/docker/daemon.json <<-'EOF' 
    { 
      "registry-mirrors": ["https://8vhca8il.mirror.aliyuncs.com"] 
    } 
    EOF 
    sudo systemctl daemon-reload 
    sudo systemctl restart docker 
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