Uninstall old versions

旧版本的 Docker 被称为docker,docker.io或docker-engine

  1. $ sudo apt-get remove docker docker-engine docker.io containerd runc

Install using the repository

在新主机上首次安装 Docker Engine 之前，您需要设置 Docker 存储库。之后，您可以从存储库安装和更新 Docker。

Set up the repository

  1. 更新 apt 包索引并安装包以允许 apt 通过 HTTPS 使用存储库

    1. sudo apt-get update
    2. sudo apt-get install \
    3.  ca-certificates \
    4.  curl \
    5.  gnupg \
    6.  lsb-release

  2. 添加 Docker 的官方 GPG 密钥：

    1. sudo mkdir -p /etc/apt/keyrings
    2. curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

  3. 使用以下命令设置存储库： ```shell echo \ “deb [arch=$(dpkg —print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \ $(lsb_release -cs) stable” | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

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  2. #### Install Docker Engine
  3. 更新apt包索引，安装最新版本的Docker Engine、containerd、Docker Compose，或者进入下一步安装特定版本：
  4. ```shell
  5.  sudo apt-get update
  6.  sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin

install other version

要安装特定版本的 Docker Engine，请在 repo 中列出可用版本，然后选择并安装：

  1. apt-cache madison docker-ce
  2.  docker-ce | 5:20.10.17~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  3.  docker-ce | 5:20.10.16~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  4.  docker-ce | 5:20.10.15~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  5.  docker-ce | 5:20.10.14~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  6.  docker-ce | 5:20.10.13~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  7.  docker-ce | 5:20.10.12~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  8.  docker-ce | 5:20.10.11~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  9.  docker-ce | 5:20.10.10~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  10.  docker-ce | 5:20.10.9~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  11.  docker-ce | 5:20.10.8~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  12.  docker-ce | 5:20.10.7~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  13.  docker-ce | 5:20.10.6~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  14.  docker-ce | 5:20.10.5~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  15.  docker-ce | 5:20.10.4~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  16.  docker-ce | 5:20.10.3~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  17.  docker-ce | 5:20.10.2~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  18.  docker-ce | 5:20.10.1~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  19.  docker-ce | 5:20.10.0~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  20.  docker-ce | 5:19.03.15~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  21.  docker-ce | 5:19.03.14~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  22.  docker-ce | 5:19.03.13~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  23.  docker-ce | 5:19.03.12~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  24.  docker-ce | 5:19.03.11~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  25.  docker-ce | 5:19.03.10~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages
  26.  docker-ce | 5:19.03.9~3-0~ubuntu-focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages

使用第二列中的版本字符串安装特定版本，例如 5:20.10.16~3-0~ubuntu-jammy。

  1. apt-get install docker-ce=<VERSION_STRING> docker-ce-cli=<VERSION_STRING> containerd.io docker-compose-plugin