Docker is an open-source platform that allows you to automate the deployment, scaling, and management of applications using containerization. Containers offer a lightweight and portable way to package an application with all its dependencies, ensuring consistent behavior across different environments.
Steps to Install Docker
In order to begin the installation process, it's recommended to first update and upgrade your Ubuntu system. This will ensure you have the latest package versions and dependencies.
$ sudo apt update
$ sudo apt upgrade
Next, you need to install some necessary dependencies that allow apt to use packages over HTTPS and add the Docker repository.
Finally, you can install the Docker Engine using the package manager.
$ sudo apt update
$ sudo apt install docker-ce
You can verify if Docker is installed correctly by running the following command:
$ docker --version
If Docker is installed, you should see the installed version displayed.
Update and Upgrade System
Install Docker Dependencies
Add Docker's GPG Key
Add Docker Repository
Install Docker Engine
Verify Docker Installation
In this tutorial, we went through the steps to install Docker on Ubuntu 18.04. Docker provides an easy way to package and deploy applications using containers, offering scalability and flexibility. If you still encounter any issues, please refer to the official Docker documentation for more information.
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