curl -fsSL https://download.docker.com/linux/ubuntu/gpg \ | sudo gpg --dearmor --yes -o /etc/apt/keyrings/docker.gpg sudo chmod a+r /etc/apt/keyrings/docker.gpg echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] 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-get install -y \ docker-ce docker-ce-cli containerd.io \ docker-buildx-plugin docker-compose-plugin -- sudo systemctl enable --now docker sudo systemctl status docker --no-pager --- sudo docker run --rm hello-world ---