How to Install Docker on Ubuntu Amazon EC2 Instance

Docker is a powerful tool for creating, deploying, and running applications in a containerized environment. In this blog, we will show how to install Docker on Ubuntu and run some basic Docker commands to verify the installation.

Step 1: Open the Terminal

The first step in installing Docker on Ubuntu is to launch the terminal. You can continue on to the next step once you have the terminal open.

You’ll next be given the option of selecting y or n – Select ‘Y’.

Step 2: Uninstall any existing Docker packages

Before installing Docker on Ubuntu, you should uninstall any existing Docker packages. To do this, use the following command:

$ sudo apt-get remove docker docker-engine docker.io

Step 3: Update the Package Index

After uninstalling any previous Docker packages, you should update the system’s package index to ensure that the most recent packages are available for installation.

To update the package, use this following command:

$ sudo apt-get update

Step 4: Set up Docker

Docker may be installed on Ubuntu in a number of ways. To install Docker, use the apt package manager or the snap package manager.

Run the following command to install Docker using the apt package manager:

$ sudo apt install docker.io

Step 5: Check the Installation

After installing Docker, use the following command to confirm the installation:

$ docker –version

This command displays the version of Docker that is installed on the system.

Step 6: Start a Docker Container

To verify that Docker is working correctly download and run a “hello-world” Docker container.

To achieve this, execute the following command:

$ sudo docker run hello-world

This command downloads and executes the “hello-world” Docker container, which displays a message if Docker is installed and operating properly.

Step 7: List Docker Images and Containers

You can run the following commands to see some basic information about Docker images and containers.

Use the following command to display all Docker images that are presently downloaded on the system:

$ sudo docker images

To see a list of all Docker containers that are presently running or have stopped running on the system, use the following command:

Docker has now been successfully installed on Ubuntu. We hope you found this tutorial on how to install Docker on Ubuntu helpful.  If you have any questions or feedback, feel free to leave a comment below.

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