在Ubuntu 14.04上找不到package docker-ce

Question

我一直在尝试在Ubuntu 14.04的Linode实例上安装docker。我进入最后一步，得到消息: E: Unable to locate package docker-ce

我在许多不同的网站上遵循了这组步骤，但都没有成功：

sudo apt-get remove docker docker-engine docker.io
sudo apt-get update
sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
sudo apt-get update
sudo apt-get install docker-ce

下面是我运行apt-get update时看到的内容：

Ign http://us.archive.ubuntu.com trusty InRelease
Hit http://us.archive.ubuntu.com trusty-security InRelease
Hit http://us.archive.ubuntu.com trusty-updates InRelease
Hit http://us.archive.ubuntu.com trusty-backports InRelease
Hit http://us.archive.ubuntu.com trusty Release.gpg
Hit http://us.archive.ubuntu.com trusty-security/main Sources
Hit http://us.archive.ubuntu.com trusty-security/restricted Sources
Hit http://us.archive.ubuntu.com trusty-security/universe Sources
Hit http://us.archive.ubuntu.com trusty-security/multiverse Sources
Hit http://us.archive.ubuntu.com trusty-security/main i386 Packages
Hit http://us.archive.ubuntu.com trusty-security/restricted i386 Packages
Hit http://us.archive.ubuntu.com trusty-security/universe i386 Packages
Hit https://download.docker.com trusty InRelease
Hit http://us.archive.ubuntu.com trusty-security/multiverse i386 Packages
Hit https://download.docker.com trusty/stable amd64 Packages
Hit http://us.archive.ubuntu.com trusty-security/main Translation-en
Hit http://us.archive.ubuntu.com trusty-security/multiverse Translation-en
Get:1 https://download.docker.com trusty/stable Translation-en_US
Hit http://us.archive.ubuntu.com trusty-security/restricted Translation-en
Hit http://us.archive.ubuntu.com trusty-security/universe Translation-en
Hit http://us.archive.ubuntu.com trusty-updates/main Sources
Hit http://us.archive.ubuntu.com trusty-updates/restricted Sources
Hit http://us.archive.ubuntu.com trusty-updates/universe Sources
Hit http://us.archive.ubuntu.com trusty-updates/multiverse Sources
Hit http://us.archive.ubuntu.com trusty-updates/main i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/restricted i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/universe i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/multiverse i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/main Translation-en
Hit http://us.archive.ubuntu.com trusty-updates/multiverse Translation-en
Hit http://us.archive.ubuntu.com trusty-updates/restricted Translation-en
Hit http://us.archive.ubuntu.com trusty-updates/universe Translation-en
Ign https://download.docker.com trusty/stable Translation-en_US
Hit http://us.archive.ubuntu.com trusty-backports/main Sources
Hit http://us.archive.ubuntu.com trusty-backports/restricted Sources
Ign https://download.docker.com trusty/stable Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/universe Sources
Hit http://us.archive.ubuntu.com trusty-backports/multiverse Sources
Hit http://us.archive.ubuntu.com trusty-backports/main i386 Packages
Hit http://us.archive.ubuntu.com trusty-backports/restricted i386 Packages
Hit http://us.archive.ubuntu.com trusty-backports/universe i386 Packages
Hit http://us.archive.ubuntu.com trusty-backports/multiverse i386 Packages
Hit http://us.archive.ubuntu.com trusty-backports/main Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/multiverse Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/restricted Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/universe Translation-en
Hit http://us.archive.ubuntu.com trusty Release
Hit http://us.archive.ubuntu.com trusty/main Sources
Hit http://us.archive.ubuntu.com trusty/restricted Sources
Hit http://us.archive.ubuntu.com trusty/universe Sources
Hit http://us.archive.ubuntu.com trusty/multiverse Sources
Hit http://us.archive.ubuntu.com trusty/main i386 Packages
Hit http://us.archive.ubuntu.com trusty/restricted i386 Packages
Hit http://us.archive.ubuntu.com trusty/universe i386 Packages
Hit http://us.archive.ubuntu.com trusty/multiverse i386 Packages
Hit http://us.archive.ubuntu.com trusty/main Translation-en
Hit http://us.archive.ubuntu.com trusty/multiverse Translation-en
Hit http://us.archive.ubuntu.com trusty/restricted Translation-en
Hit http://us.archive.ubuntu.com trusty/universe Translation-en
Ign http://us.archive.ubuntu.com trusty/main Translation-en_US
Ign http://us.archive.ubuntu.com trusty/multiverse Translation-en_US
Ign http://us.archive.ubuntu.com trusty/restricted Translation-en_US
Ign http://us.archive.ubuntu.com trusty/universe Translation-en_US

另外，这里是/etc/apt/Soures.list包含的内容：

###### Ubuntu Main Repos
deb http://us.archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse

###### Ubuntu Update Repos
deb http://us.archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse
deb [arch=amd64] https://download.docker.com/linux/ubuntu trusty stable

有什么不对劲的建议吗？我在一个新的Ubuntu 16.04实例上运行了相同的命令集，Docker安装得很好。这个14.04实例有很多内容，所以我不打算从一个新的实例开始。

Answer 1

**您好，您可以在此页面尝试下载.deb文件：

https://apt.dockerproject.org/repo/pool/testing/d/docker-engine/

然后使用以下命令安装它：

sudo dpkg -i /path/to/package.deb

要确保它已安装，只需键入：

sudo docker run hello-world

就是这样。希望它能起作用！

Answer 2

sudo apt-get update

退出终端会话并返回。

这对我很管用。