docker for ubuntu 20.04 code example
Example 1: install docker ubuntu
sudo apt install docker.io
Example 2: install docker in ubuntu
$ sudo apt-get remove docker docker-engine docker.io
$ sudo apt-get update
$ sudo apt install docker.io
$ sudo snap install docker
$ docker --version
Example 3: install docker on ubuntu 20.04
$ sudo apt-get update
$ sudo apt-get install \
apt-transport-https \
ca-certificates \
curl \
gnupg \
lsb-release
Example 4: ubuntu install docker
sudo usermod -aG docker ${USER}