How to Install Docker in Linux

Docker is a popular platform that allows developers to build, ship, and run applications in containers. It provides a way to package an application with all of its dependencies into a single container, making it easy to deploy and manage. In this tutorial, we will guide you through the process of installing Docker on Linux.

Prerequisites

Before we begin, make sure that you have the following prerequisites:

A Linux machine with a 64-bit architecture
A user account with sudo privileges
A stable internet connection

Step 1: Update the System

The first step is to update the system to ensure that all packages are up to date. Open the terminal and run the following command:

sudo apt update && sudo apt upgrade -y

This command will update the package list and upgrade all installed packages to their latest versions.

Step 2: Install Docker

Once the system is up to date, we can proceed with the installation of Docker. Run the following command to install Docker:

sudo apt install docker.io -y

This command will install the Docker engine on your system.

Step 3: Start and Enable Docker

After the installation is complete, start the Docker service and enable it to start automatically at boot time. Run the following commands:

sudo systemctl start docker
sudo systemctl enable docker

These commands will start the Docker service and enable it to start automatically at boot time.

Step 4: Verify the Installation

To verify that Docker is installed correctly, run the following command:

sudo docker run hello-world

This command will download a test image and run it in a container. If everything is working correctly, you should see a message that says "Hello from Docker!".

Conclusion

In this tutorial, we have shown you how to install Docker on Linux. Docker is a powerful tool that can help you streamline your development workflow and make it easier to deploy and manage your applications. With Docker, you can package your application with all of its dependencies into a single container, making it easy to deploy and run on any system. We hope that this tutorial has been helpful in getting you started with Docker.