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docker 安装错误

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docker 安装错误

我写这个命令

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

安装docker但是它给了我这个错误

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package docker-ce is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'docker-ce' has no installation candidate
E: Unable to locate package docker-ce-cli
E: Unable to locate package containerd.io
E: Couldn't find any package by glob 'containerd.io'
E: Couldn't find any package by regex 'containerd.io'
E: Unable to locate package docker-buildx-plugin
E: Unable to locate package docker-compose-plugin

答案1

Docker 可通过其自己的存储库获得，您必须首先为您的包管理系统启用该存储库。

请按照以下步骤安全安装：

  1. 安装必备软件包
sudo apt-get update && sudo apt-get install ca-certificates curl gnupg
  1. 添加 Docker 的 GPG 密钥
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg
  1. 设置存储库
echo \
  "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
  1. 安装引擎和其他配件
sudo apt-get update && sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

您可以通过发出以下命令来验证安装：

sudo docker run hello-world

该说明是从以下网站复制而来的，其中包含更多详细信息和其他相关信息：https://docs.docker.com/engine/install/ubuntu/

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