Sudo Install Docker


Docker is an open-source platform for developing, testing, and running applications. Docker allows to package and run an application in container. A container is an isolated environment which contains everything needed for application to run.

Sudo Install Docker Windows 7

This tutorial explains how to install Docker Community Edition (CE) on Ubuntu 20.04.

To install the latest version of Docker on Ubuntu, run the command below. Sudo apt install docker-ce docker-ce-cli containerd.io. Docker should now be installed, the service started and enabled to start on boot. In addition, you can check the Docker state using.

  1. Finally, install Docker: sudo apt install docker-ce. Docker should now be installed, the daemon started, and the process enabled to start on boot. Check that it’s running: sudo systemctl status docker. The output should be similar to the following, showing that the service is active and running: Output.
  2. Because of this, simply running the sudo dnf install docker-ce command, won’t work. As we will see in a minute, it’s still possibile to workaround this problem; once docker-ce is installed, however, another problem becomes evident: as long as firewalld, the system firewall manager is enabled, DNS resolution inside docker containers does.
  3. $ sudo yum install docker-ce -y Ensure the Docker service is running with the following command: $ sudo systemctl -now enable docker And finally.
  4. Install Docker CE on Amazon Linux 2. Before we start the update, let’s ensure our system is updated. Sudo yum -y update. Once the update has been done, reboot your system. Sudo systemctl reboot. Wait for reboot to be completed then login back and continue with the installation of Docker CE on Amazon Linux 2.

Prepare environment

Update the package lists using the following command:

Install package which allows to use a repository accessed via the HTTP:

Sudo Apt-get Install Docker.io

Install Docker CE

Sudo apt-get install docker

Download GPG key and add to a specified directory:

Add the Docker CE repository:

Sudo Install Docker

Install the Docker CE:

By default, root and user with sudo privileges can use Docker. During installation docker group is created. So if you want to allow to use Docker for non-root users, you can add user to the docker group.

Add current user to docker group:

Sudo Install Docker Windows 10

To make changes to take effect, logout and login to your machine. After you’re reconnected, check Docker version:

We can use the following command to determine if Docker service is running:

We can also stop, start and restart the Docker service:

Testing Docker CE

To test that Docker successfully installed, you can run the hello-world image.

The command downloads a test image, runs it in a container, prints message, and exits.

Sudo Install Docker

Uninstall Docker CE


Sudo Install Command

If you decided to completely remove Docker CE and related dependencies, run the following command:

When it finished, remove the docker group:

During installation docker0 network interface is installed. You can remove it with command:

Remove GPG key and repository:

Sudo Apt-get Install Docker

You can also remove Docker configuration, images, containers, and other related directories:

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