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Realtek Rtl8822BU CentOS 7 Driver Installation – Step-by-step

September 22, 2021 | By the+gnu+linux+evangelist.

Installing Requirements

  1. 2. Updating System

    So possibly to Upgrade CentOS 7
    Play:

    sudo yum upgrade

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

    sudo reboot

    Then Check your Kernel Version with:

    uname -r

    In case to Update Linux see: Mainline Kernel CentOS Installation Guide.

  2. 3. Installing Dependencies

    Then to Install Required Stuff
    Run:

    sudo yum group install 'Development Tools'

    Then again:

    sudo yum install kernel-headers kernel-devel elfutils-libelf-devel dkms git unzip

    And then possibly to reboot:

    sudo reboot

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