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With the repository added, install Docker, which is composed of three packages:

While there is no Rocky Linux specific repository from Docker, Rocky Linux is based upon CentOS and can use the same repository. Next, add the official Docker repository: This section shows you how to do just that.īut first, let’s update the package database: To get the latest and greatest version, install Docker from the official Docker repository. The Docker installation package available in the official Rocky Linux 8 repository may not be the latest version. Initial Setup Guide for Rocky Linux 8 explains how to add users and give them sudo access. If root access is required for the command, it will be preceded by sudo. A Rocky Linux 8 server with a non- root user with sudo privileges set up using Initial Setup Guide for Rocky Linux 8 explains how to set this up.Īll the commands in this tutorial should be run as a non-root user.In this tutorial, you’ll learn how to install and use it on an existing installation of Rocky Linux 8. For a detailed introduction to the different components of a Docker container, check out The Docker Ecosystem: An Introduction to Common Components.

Docker is an application that makes it simple and easy to run application processes in a container, which are like virtual machines, only more portable, more resource-friendly, and more dependent on the host operating system.