Installation Guide for Docker on Ubuntu Linux

Cleanup / Prep

Remove any existing Docker components.

for pkg in docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc; do sudo apt-get remove $pkg; done

Setup

Add Docker's official GPG key

sudo apt-get update && sudo apt upgrade -y

sudo apt-get install ca-certificates curl

sudo install -m 0755 -d /etc/apt/keyrings

sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc

sudo chmod a+r /etc/apt/keyrings/docker.asc

Add the repository to Apt sources:

echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

sudo apt-get update && sudo apt upgrade -y

Install

Perform the Docker installation

sudo apt-get install nano docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin -y

Verify

Run the "hello-world" Docker test

sudo docker run hello-world