1. debian默认不带sudo,所以先安装sudo,并且debian默认启动的是非root账户
    su - root
    
    apt install sudo
  2. 卸载乱七八糟的
    for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do sudo apt-get remove $pkg; done
    

     

  3. 更新apt包索引并安装包以允许apt通过 HTTPS 使用存储库
    sudo apt-get update
    sudo apt-get install ca-certificates curl gnupg
    
  4. 添加 Docker 的官方 GPG 密钥:
    sudo install -m 0755 -d /etc/apt/keyrings
    curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
    sudo chmod a+r /etc/apt/keyrings/docker.gpg
    
  5. 设置存储库
    echo \
      "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian \
      "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
      sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
    
  6. 安装 Docker 引擎

    sudo apt-get update
    sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
    

     

  7. 验证下
sudo docker run hello-world

 

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