The hello-world container you ran in the previous step is an example of a container that runs and exits after emitting a test message. Containers can be much more useful than that, and they can be interactive.… Read More »Running a Docker Container on Ubuntu 16.04

Docker containers are run from Docker images. By default, it pulls these images from Docker Hub, a Docker registry managed by Docker, the company behind the Docker project. Anybody can build and host their Docker… Read More »Working with Docker Images on Ubuntu 16.04

Running the docker command requires root privileges — that is, you have to prefix the command with sudo. It can also be run by a user in the docker group, which is automatically created during the installation of Docker. If… Read More »Executing the Docker Command Without Sudo on Ubuntu 16.04

First, in order to ensure the downloads are valid, add the GPG key for the official Docker repository to your system: Add the Docker repository to APT sources: Next, update the package database with the… Read More »Install Docker on Ubuntu 16.04