How to Install docker on Debian 12 | Install Docker Desktop on Debian 12 | 2024 updated

Summary

This video tutorial demonstrates how to install and configure Docker on a Debian operating system. It guides viewers through verifying the absence of Docker, accessing the official Docker website, and installing Docker using an APT repository. Key commands for updating packages, importing signing keys, and adding the user to the Docker group are highlighted. The video also covers verifying the installation by running a sample Docker container and checking the Docker service status. Additionally, it briefly mentions an alternative installation method using a Debian package. Viewers are encouraged to subscribe for more DevOps content.

Takeaways

• 😀 Ensure Docker is not already installed on Debian before proceeding with the installation.
• 🌐 Visit the official Docker website to access installation documentation.
• 🔧 Confirm that your system meets the prerequisites, specifically a 64-bit version of Debian 12 or 11.
• 📦 Two methods are available for installation: using the Debian package or via the APT repository.
• ⚙️ Update your system packages before installing Docker to avoid compatibility issues.
• 🔑 Import the GPG signing key for Docker to ensure the integrity of the installation.
• 📥 Add the Docker repository to your APT sources for easy installation of updates.
• 🚀 Install the latest version of Docker using the specified APT command.
• 👥 Add your user to the Docker group to run Docker commands without sudo.
• 🧪 Verify the installation by checking the Docker version and running a sample container.

Q & A

What is the first step to check if Docker is installed on a Debian system?

Open the terminal and verify if Docker is installed by running a command that checks for Docker.

Where can you find the official Docker installation instructions for Debian?

You can find the official instructions by visiting the Docker website and navigating to the documentation section.

What are the prerequisites for installing Docker on Debian?

You need to have a 64-bit version of Debian 11 or 12.

What are the two methods mentioned for installing Docker on Debian?

The two methods are installing via the Debian package or using the APT repository.

What command is used to update package sources before installing Docker?

You can run 'sudo apt-get update' to update the package sources.

How do you add a user to the Docker group after installation?

You can add a user to the Docker group by using the command 'sudo usermod -aG docker $USER'.

What should you do if you can't run Docker commands without sudo after installation?

You may need to log out and log back in, or restart the system to apply the group changes.

How can you verify that Docker has been installed correctly?

You can verify the installation by running 'docker version' in the terminal.

What command can you use to check the status of the Docker service?

You can check the Docker service status using 'sudo systemctl status docker'.

What is the final step shown in the video for testing Docker after installation?

The final step is to run a sample Docker container to pull an image from Docker Hub.