Step-by-step – Realtek Rtl8812BU Driver Offline Ubuntu 18.04 Installation

August 1, 2020 | By the+gnu+linux+evangelist.

Installing Driver

  1. 7. Downloading Realtek rtl8812BU Driver

    Download Realtek rtl8812BU Driver for Ubuntu GNU/Linux

    Get Realtek rtl8812BU Driver for Ubuntu

    Grab the Zip Archive or clone it with Git.

    In this New Post Revision in addition to the default Cilynx Driver choice I’ve added also the Morrownr, RinCat, Aircrack-ng and Gnab eventual Alternatives.
    So in case, then see directly the Developer Github Documentation to Setup it!

  2. 8. Extracting Realtek rtl8812BU Driver

    And then Extract Driver Archive into /tmp (Skip in case of Git checkout)
    Possibly Double-Click/Right-Click on Package and Open with Archive Manager:

    Step-by-step Realtek rtl8812BU Driver Offline Ubuntu 18.04 Installation Guide - Extraction
    But if you are in Trouble to Find the Location on Terminal then See: How to Access Downloads Folder from Browser.
    Or from Command Line:

    unzip -d /tmp/ ~/Downloads/rtl88x2bu*.zip
  3. 9. Installing Realtek rtl8812BU Driver

    Then to Install Realtek rtl8812BU Wi-fi Driver for Ubuntu
    Access the Target Folder:

    cd /tmp/rtl88x2bu*

    Next to prepare the setup play:

    VER=$(sed -n 's/\PACKAGE_VERSION="\(.*\)"//p' dkms.conf)
    sudo rsync -rvhP ./ /usr/src/rtl88x2bu-${VER}

    Then add it to DKMS:

    sudo dkms add -m rtl88x2bu -v ${VER}

    Again build it with:

    sudo dkms build -m rtl88x2bu -v ${VER}

    Install it into DKMS System:

    sudo dkms install -m rtl88x2bu -v ${VER}

    Long last try to fill it up with:

    sudo modprobe 88x2bu

    Or in case, try Rebooting with:

    sudo reboot

    And you should successfully see your Wifi Adapter magically popping up from nowhere! :)
    Possibly, to load it at Boot time:

    echo 88x2bu | sudo tee -a /etc/modules

    Thanks to Randy C. Will inestimable Work!

  4. Congratulations, your Realtek rtl8812BU Network Device on Ubuntu 18.04 should be now nicely working!

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