Ubuntu 18.04 install docker and

1 install docker

sudo apt install docker

sudo apt install docker.io

sudo systemctl start docker

sudo systemctl enable docker

2 Hash sum mismatch when build docker file

sed -i"s|http://archive.ubuntu.com|http://mirrors.163.com|g" /etc/apt/sources.list && rm -Rf /var/lib/apt/lists/* && apt-get update ....