使用于Ubuntu 18.04 LTS
更换ubuntu源
将/etc/apt/source.list内容替换成
deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
然后更新源
sudo apt update
如果出现
错误:2 http://dl.google.com/linux/chrome/deb stable InRelease
明文签署文件不可用，结果为‘NOSPLIT’（您的网络需要认证吗？）
解决办法：执行下面语句即可。
wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
Install using the repository
install packages to allow apt to use a repository over HTTPS:
$ sudo apt-get install \
apt-transport-https \
ca-certificates \
curl \
software-properties-common
Add Docker’s official GPG key:
curl -fsSL http://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add -
set up the stable repository
sudo add-apt-repository "deb [arch=amd64] http://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable"
INSTALL DOCKER CE
Update the apt package index.
$ sudo apt-get update
Install the latest version of Docker CE
$ sudo apt-get install docker-ce
