在debian 8上安装docker错误

Question

当我想安装docker时，我得到了这个

N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
E: Package 'docker.io' has no installation candidate
N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
E: Package 'docker.io' has no installation candidate
N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
E: Package 'docker.io' has no installation candidate
N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
E: Package 'docker.io' has no installation candidate
N: Ignoring file 'backports.listy' in directory     '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
E: Package 'docker.io' has no installation candidate
N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'backports.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listyy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'docker.listy' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
E: Package 'docker.io' has no installation candidate

Answer 1

首先，您的/etc/apt/sources.list.d/中包含以下文件，文件扩展名为.listy或.listyy。两者都无效，它们应该是.list或文件不应该在那里。

• backports.listy
• docker.listyy
• docker.listy
• backports.listy
• docker.listyy
• docker.listy

首先来自哪里，你做过教程还是其他什么？你可以提供内容，所以我可以猜到你为什么会这样做。因为看起来你想从特定的存储库获取docker，因此他们的名字。

第二个错误是E: Package 'docker.io' has no installation candidate，它想告诉您包管理器不知道此包。如果您配置了存储库，请执行apt-get update。然后你应该能够从这些人那里获得码头。

另外，下次请格式化您的文字并提供更具体的信息。例如'你实际运行了什么命令？'和'你之前做过什么，关于你的任务？（即创建listyy文件等）'