Step-by-step – Realtek Rtl8812BU Driver Offline Linux Mint 19 Installation

August 2, 2020 | By the+gnu+linux+evangelist.

Installing Requirements

  1. 1. Launching Terminal App

    Open a Terminal Shell Emulator Window:
    (Press “Enter” to Execute Commands)

    Open Terminal
  2. 2. Finding Linux Headers

    Now to find the needed Linux Headers Release
    Check your current Kernel Version with:

    uname -r

    And take Note of it.

  3. 3. Downloading Linux Headers

    Download Linux Headers for Mint 19 GNU/Linux

    Linux Headers for Mint

    Ctrl/Cmd+f to Search for “linux-headers” on Browser.
    But if you Do Not find the Matching Versions then see instead: Installing Mint 19 Kernel without Internet.

  4. 4. Installing linux-headers Offline

    Then to Set up linux-headers Offline on Mint
    First, access the Target USB Driver or Location:

    cd /[path/2/linux-headers]

    But if you are in Trouble to Find it out on Terminal then See: How to Access USB Device.
    To Check the Package is there:

    ls | grep headers

    The grep Command Refine the output List showing only the entries Matching the Keyword.
    Then simply play:

    sudo apt install ./linux-headers*.deb

    Or:

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

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

  5. 5. Downloading Dependencies

    Download Required Packages for Mint 19 GNU/Linux

    Packages tar.gz Archive
  6. 6. Installing Dependencies

    Then to Install Required Stuff
    First, access the Target:

    cd /[path/2/usb]

    Then to Extract the Stuff:

    tar xvzf ./dkms*.tar.gz
    cd dkms*/

    To Setup run:

    sudo dpkg -i ./*.deb

    And then in case of issue again:

    sudo apt -f install

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

    sudo reboot

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