I386/ubuntu Ubuntu is a Debian-based Linux operating sys… 13 Tutum/ubuntu Simple Ubuntu docker images with SSH access 18 Nuagebec/ubuntu Simple always updated Ubuntu docker images w… 23 Ubuntu-debootstrap debootstrap -variant=minbase -components=m… 38 ġand1internet/ubuntu-16-nginx-php-phpmyadmin-mysql-5 ubuntu-16-nginx-php-phpmyadmin-mysql-5 36 Neurodebian NeuroDebian provides neuroscience research s… 50 Ubuntu-upstart Upstart is an event-based replacement for th… 87 Rastasheep/ubuntu-sshd Dockerized SSH service, built on top of offi… 156 Īnsible/ubuntu14.04-ansible Ubuntu 14.04 LTS with ansible 93 Ubuntu Ubuntu is a Debian-based Linux operating sys… 7917 ĭorowu/ubuntu-desktop-lxde-vnc Ubuntu with openssh-server and NoVNC 193 OutputNAME DESCRIPTION STARS OFFICIAL AUTOMATED The output will indicate that Docker in working correctly: To check whether you can access and download images from Docker Hub, type: Anyone can host their Docker images on Docker Hub, so most applications and Linux distributions you’ll need will have images hosted there. By default, Docker pulls these images from Docker Hub, a Docker registry managed by Docker, the company behind the Docker project. Step 4 - Working with Docker Imagesĭocker containers are built from Docker images. To view system-wide information about Docker, use: To view the options available to a specific command, type: Wait Block until one or more containers stop, then print their exit codes Version Show the Docker version information Update Update configuration of one or more containers Unpause Unpause all processes within one or more containers Top Display the running processes of a container Tag Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE Stats Display a live stream of container(s) resource usage statistics Start Start one or more stopped containers Save Save one or more images to a tar archive (streamed to STDOUT by default) Push Push an image or a repository to a registry Pull Pull an image or a repository from a registry Port List port mappings or a specific mapping for the container Pause Pause all processes within one or more containers Load Load an image from a tar archive or STDIN Inspect Return low-level information on Docker objects Import Import the contents from a tarball to create a filesystem image ![]() You’ll see output like this, although the version number for Docker may be different:Īttach Attach local standard input, output, and error streams to a running containerĬommit Create a new image from a container's changesĬp Copy files/folders between a container and the local filesystemĭiff Inspect changes to files or directories on a container's filesystemĮvents Get real time events from the serverĮxec Run a command in a running containerĮxport Export a container's filesystem as a tar archive Make sure you are about to install from the Docker repo instead of the default Ubuntu repo: Next, update the package database with the Docker packages from the newly added repo: ![]() sudo add-apt-repository "deb bionic stable".Then add the GPG key for the official Docker repository to your system:Īdd the Docker repository to APT sources: ![]() sudo apt install apt-transport-https ca-certificates curl software-properties-common.Next, install a few prerequisite packages which let apt use packages over HTTPS: To do that, we’ll add a new package source, add the GPG key from Docker to ensure the downloads are valid, and then install the package.įirst, update your existing list of packages: To ensure we get the latest version, we’ll install Docker from the official Docker repository. The Docker installation package available in the official Ubuntu repository may not be the latest version. An account on Docker Hub if you wish to create your own images and push them to Docker Hub, as shown in Steps 7 and 8.One Ubuntu 18.04 server set up by following the Ubuntu 18.04 initial server setup guide, including a sudo non-root user and a firewall.To follow this tutorial, you will need the following: You’ll install Docker itself, work with containers and images, and push an image to a Docker Repository. In this tutorial, you’ll install and use Docker Community Edition (CE) on Ubuntu 18.04. They’re similar to virtual machines, but containers are more portable, more resource-friendly, and more dependent on the host operating system.įor a detailed introduction to the different components of a Docker container, check out The Docker Ecosystem: An Introduction to Common Components. Containers let you run your applications in resource-isolated processes. Introductionĭocker is an application that simplifies the process of managing application processes in containers. A previous version of this tutorial was written by finid.
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