Facebook Twitter Instagram
    TecAdmin
    • Home
    • FeedBack
    • Submit Article
    • About Us
    Facebook Twitter Instagram
    TecAdmin
    You are at:Home»Docker»How to Install Docker on Ubuntu 20.04

    How to Install Docker on Ubuntu 20.04

    By RahulJune 2, 20213 Mins Read

    Docker is a container-based application framework, which wraps a specific application with all its dependencies in a container. Docker containers can easily to ship to the remote location on start there without making entire application setup.

    Advertisement

    The Docker official team provides PPA for installing Docker on Ubuntu 20.04 using PPA. You just need to configure Docker PPA to your system before installing Docker on Ubuntu system.

    This tutorial will help you to install Docker on Ubuntu 20.04 LTS Focal Fossa systems.

    Prerequisite

    Login to your Ubuntu 20.04 system with sudo privileged user. Then run the following commands to install required packages.

    sudo apt update 
    sudo apt install curl apt-transport-https ca-certificates software-properties-common 
    

    Step 1 – Installing Docker on Ubuntu

    First of all, import the GPG key to your system to verify packages signature before installing them. To import key run the below command on terminal.

    After that add the Docker repository on your Ubuntu system which contains Docker packages including its dependencies. You must have to enable this repository to install Docker on Ubuntu.

    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add 
    sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable" 
    

    Your system is now ready for Docker installation. Next, execute the following commands to upgrade apt index and then install Docker on Ubuntu 20.04 Linux system.

    sudo apt update 
    sudo apt install docker-ce docker-ce-cli containerd.io 
    

    After successful installation of Docker community edition, the service will start automatically, Use below command to verify service status.

    Your system is now ready for running Docker containers. Use our Docker Tutorial for Beginners to working with Docker.

    Step 2 – Manage Docker Service

    As usual Docker service is also managed under the Systemd daemon. You can use systemctl commands to stop, start or view status of Docker service.

    Run the below command to view service status:

    sudo systemctl status docker 
    
    ● docker.service - Docker Application Container Engine
         Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
         Active: active (running) since Wed 2020-06-17 16:41:20 UTC; 1min 58s ago
    TriggeredBy: ● docker.socket
           Docs: https://docs.docker.com
       Main PID: 926989 (dockerd)
          Tasks: 8
         Memory: 35.7M
         CGroup: /system.slice/docker.service
                 └─926989 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
    
    Jun 17 16:41:20 tecadmin systemd[1]: Started Docker Application Container Engine.
    Jun 17 16:41:20 tecadmin dockerd[926989]: time="2020-06-17T16:41:20.247640882Z" level=info msg="API listen on /run/docker.sock"
    

    Use below command to stop, start or restart Docker service:

    sudo systemctl stop docker 
    sudo systemctl start docker 
    sudo systemctl restart docker 
    

    Step 3 – Run Docker Hello World

    You have successfully installed Docker on Ubuntu system. The Docker engine service is also running fine. Next, run a hello world example to verify that everything is fine.

    To run Docker hello world example, open a terminal and type:

    sudo docker run hello-world 
    

    You will see the results like below. It means Docker is properly configured on your system.

    how to install docker on ubuntu 20.04

    Step 4 – Install Docker Compose

    Download the latest version of Docker compose tool from Github. Use the below commands to download and install Docker compose 1.26.0. Before installing make sure compatibility with your docker version.

    curl -L https://github.com/docker/compose/releases/download/1.26.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose 
    chmod +x /usr/local/bin/docker-compose 
    

    Conclusion

    All done, you have successfully installed Docker on Ubuntu 20.04 system using PPA. Additionally, you also have configured Docker-compose on your system.

    Docker Ubuntu 20.04
    Share. Facebook Twitter Pinterest LinkedIn Tumblr Email WhatsApp

    Related Posts

    How to Deploy PHP, Apache, and MySQL with Docker Compose

    Setting Up Environment Variables in Docker: A Comprehensive Guide

    How to Check if a Docker Image Exists Locally

    View 4 Comments

    4 Comments

    1. Debabrat Panda on October 13, 2020 7:16 am

      You have to run only 2 commands to install Docker in Ubuntu 20.04
      1. sudo apt update -y
      2. sudo apt install docker.io

      Reply
      • Rajesh on July 2, 2021 1:33 pm

        That’s correct, but to install docker, you have to enable docker repository.

        Reply
    2. Vincent on July 9, 2020 8:18 am

      Hi,

      I try to install with difficulty Docker on Lubuntu 20.04 in DualBoot with my Windows10. My installation skip in processus to install and don’t have a good installation to work. I have this mistake 1 to 19 line END, I don’t have Have fun ! (I can work).
      thank you for your response.

      Reply
    3. Tim on June 20, 2020 1:03 pm

      Nice. I’ve been waiting on the Docker repo to officially add focal.

      Thanks!

      Reply

    Leave A Reply Cancel Reply

    Advertisement
    Recent Posts
    • Setting Up Angular on Ubuntu: Step-by-Step Guide
    • Converting UTC Date and Time to Local Time in Linux
    • Git Restore: Functionality and Practical Examples
    • Git Switch: Functionality and Practical Examples
    • Git Switch vs. Checkout: A Detailed Comparison with Examples
    Facebook Twitter Instagram Pinterest
    © 2023 Tecadmin.net. All Rights Reserved | Terms  | Privacy Policy

    Type above and press Enter to search. Press Esc to cancel.