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 Docker¶

Run the "hello-world" Docker test

sudo docker run hello-world