Docker

Installing Docker

To install Docker, go to the official website and download Docker Desktop for your operating system:

For Linux distributions (e.g. Ubuntu):

sudo apt update

sudo apt-get install docker.io

Start the Docker service:

sudo systemctl start docker

Enable Docker to start on boot:

sudo systemctl enable docker

Add your user to the Docker group to use Docker without sudo:

sudo usermod -aG docker $USER

(then restart the shell or reopen the terminal)

After installation, you can check the version with:

docker --version

Basic Docker Commands

Download a Docker image from Docker Hub(here Ubuntu):

docker pull ubuntu

Start a new container interactively (here Ubuntu):

docker run -it ubuntu

List all running containers:

docker ps

List all containers (including stopped ones):

docker ps -a

List all installed Images:

docker images

Stop a container:

docker stop <container-id>

Remove a container:

docker rm <container-id>

Remove a Docker image:

docker rmi <image-name>