16 Jan 2023 · 1 min read
Docker has revolutionized the way we build, ship, and run applications. Its containerization technology allows developers to package applications and dependencies into isolated units, making it easier to manage and deploy software across various environments. In this guide, we'll walk you through the steps to set up Docker on an Ubuntu system.
Step 1: Update your System
Before installing Docker, ensure that your Ubuntu system is up to date. Open a terminal and run the following commands:
sudo apt update
sudo apt upgrade
This will ensure that your system has the latest package information and security updates.
Step 2: Install Docker
To install Docker on Ubuntu, you can use the official Docker repository. Run the following commands:
sudo apt install docker.io
This command will download and install Docker along with its dependencies.
Step 3: Start and Enable Docker
After installation, start the Docker service and enable it to start on boot:
sudo systemctl start docker
sudo systemctl enable docker
Step 4: Verify Docker Installation
To verify that Docker is installed correctly, run the following command to check the Docker version:
You should see the installed Docker version displayed on your terminal.
Step 5: Run Your First Docker Container
Now that Docker is set up, let's test it by running a simple container. For example, you can run a hello-world container:
docker run hello-world
If everything is set up correctly, you'll see a message indicating that your installation appears to be working correctly.
You've successfully set up Docker on your Ubuntu system. Docker is a powerful tool that simplifies software deployment and management. With it, you can easily create, deploy, and manage containers for your applications. Now you're ready to explore the world of containerization and build scalable, portable applications with Docker.