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Docker Desktop Installation in Ubuntu 20.04 – Step-by-step

October 8, 2023 | By the+gnu+linux+evangelist.

How to Install

  1. 2. Enabling Docker Repository

    Enable Docker CE Repo for Ubuntu GNU/Linux

    Add Docker CE Repo for Ubuntu

  2. 3. Pre-Installation Checks

    Then Check KVM Virtualization is available
    This because Docker Desktop run in a QEMU Virtual Machine!
    So try:

    egrep -c '(vmx|svm)' /proc/cpuinfo

    If in Output > 0 then your Processor support Hardware Virtualization!
    (But on a PC you may have still to enable it on BIOS…)
    Now again, Install the needed Tool:

    sudo apt install cpu-checker

    And then Verify it:

    kvm-ok

    If it’s Good you will see:

    INFO: /dev/kvm exists
KVM acceleration can be used

    Finally, if the answer is negative you can still use KVM but only in a Slow mode…

  3. 4. Downloading Docker Desktop

    Download Docker Desktop for Ubuntu GNU/Linux

    Get Docker Desktop .deb for Ubuntu

    Possibly, on Firefox Prompt Choose “Save File”:

    Docker Desktop - Firefox Prompt

  4. 5. Installing Docker Desktop

    Then to Set up Docker Desktop on Ubuntu
    First Access the Target, usually in the Downloads folder:

    cd && cd Downloads

    To Check is there do:

    ls . | grep docker-desktop

    The grep Command Refine the output List showing only the entries Matching the Keyword.
    But if yuo are in Trouble to Find Out it on Terminal See: How to Access Downloads Folder from Browser.
    And then to Setup Docker Desktop:

    sudo apt install ./docker-desktop*.deb

    Authenticate with the User Admin Pass.

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