Ubuntu18.04安装docker

• 在/etc/apt/source.list末尾加上

deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable

• 添加**

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

•  更新源

sudo apt-get update

• 安装docker

sudo apt-get docker-ce

• docker不需要sudo执行

sudo usermod -aG docker $USER