How to Install Docker CE Repository for Ubuntu-Based Systems

GNU/Linux Ubuntu Docker CE Repository Setup – Step-by-step Guide

Hi! This Tip shows you Step-by-Step How to Setup the Apt Repository for Docker Community Edition Installation for Ubuntu-Based GNU/Linux OSes.

And the Docker Ubuntu Repo dispose of Multiple Channels: stable, nightly, edge.

Docker is a Command-line Program, a background Daemon, and a set of Remote Services that take a Logistical Approach to Solving common Software Problems and Simplifying your experience Installing, Running, Publishing, and Removing Software.

Getting-Started with Docker on Ubuntu is Easy, it’s enough to Install it and then Use the Docker Engine to Create and Manage Containers.

Finally, this Docker Repo Setup is good also for:

• Mint
• Lubuntu
• Kubuntu
• Xubuntu
• Zorin OS
• Elementary OS
• Kde Neon
• Bodhi
• Pop!_OS
• Linux Lite
• LXLE
• feren OS
• Peppermint Linux
• Q4OS Linux
• Linux Ultimate Edition

1. 1. Terminal Getting-Started Guide

   How to Quick-Start with Command Line on Ubuntu GNU/Linux

   Here Console Ubuntu Linux QuickStart Guide

   Link to Step-by-Step Guide on Getting Started with Command Line in Ubuntu GNU/Linux

   First Update the Apt Repo Sources with:

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   sudo apt update

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.

2. 2. Installing Dependencies

   Install Required Packages
   Play:

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   sudo apt install apt-transport-https curl ca-certificates gnupg

3. 3. Adding Docker CE GPG Key

   Import the Docker CE GPG Key
   First, make the Target Directory:

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   sudo install -m 0755 -d /etc/apt/keyrings

   And then to Setup it run:
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   curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

   Last, to fix Permission:
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   sudo chmod a+r /etc/apt/keyrings/docker.gpg

4. 4. Installing Docker CE Repo

   Add the Docker CE Repository
   You have 2 Alternatives: ‘stable’ or ‘nightly’ Channel.
   So for the Stable Release on Ubuntu 14.04+ Based OSes play:

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   echo "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

   On Mint and others Ubuntu Derivatives you may need to use UBUNTU_CODENAME instead of VERSION_CODENAME in the above Command.

5. 5. Refreshing Repos

   Last Refresh the Repositories
   Simply run:

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   sudo apt update

   In case of Not Found try to then Amend it manually with:
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   sudo nano /etc/apt/sources.list.d/docker.list

   And for instance, set it as:
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   https://download.docker.com/linux/ubuntu jammy

   Ctrl+x to Save & Exit from nano ;)
   And then Update the Apt Sources again.

6. 6. Docker Getting Started

   Docker Quick Start for Ubuntu Based

   Here Docker Quick Start Guide

   How to Quick Start with Docker on Ubuntu Linux Based Systems