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Step-by-step – New Prebuilt Kernel Ubuntu Installation

December 29, 2020 | By the+gnu+linux+evangelist.

Installing

  1. 2. Downloading Kernel Packages

    Download Kernel Packages for Ubuntu GNU/Linux

    Get Kernel .deb for Ubuntu

    Navigate to the Folder.
    And Grab the following Packages:

    • linux-image*.deb
    • linux-headers*.deb
    • linux-headers*all.deb
    • linux-modules*.deb

    Choose between the generic and lowlatency Flavors.

  2. 3. Installing Kernel

    Then to Set up Kernel on Ubuntu
    Fist, make the Target Directory:

    cd ~/Downloads

    To Check that there is run:

    ls . | grep linux

    The grep Command Refine the output List showing only the entries Matching the Keyword.
    But if you are in Trouble to Find the Location on Terminal then See: How to Access Downloads Folder from Browser.
    And then to Setup New Linux Kernel play:

    sudo dpkg -i ./linux*5.8*.deb

    Just replace the “5.8” with your current Release in the above Command.
    In case of a GCC version issue then try first setting:

    export IGNORE_CC_MISMATCH=1

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

    sudo reboot

    And on the GRUB Splash you should find trace of the New Linux Kernel, Good Luck.

    Step-by-step Kernel Ubuntu Installation Guide - Kernel

    In case of troubles in building the DKMS Modules see the Next Section.

  3. 4. Updating Firmware

    How to Update Linux Devices Firmware on GNU/Linux

    Updating Firmware Guide

    Especially relevant: this setup is optional and may be required only to make use of some New Device Drivers not available in your current Firmware.

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