How to Install Realtek rtl8821AU WiFi Driver on Ubuntu 24.04

March 11, 2024 | By the+gnu+linux+evangelist.

GNU/Linux Ubuntu 24.04 Realtek rtl8821AU Driver Setup – Step-by-step Guide

Hi! The Tutorial shows you Step-by-Step How to Install Realtek rtl8821AU WiFi Driver for Ubuntu 24.04 Noble LTS GNU/Linux.

Especially relevant: this Realtek rtl8821AU Driver Ubuntu 24.04 Setup should be working also after a Kernel Upgrade with the Dkms integration.

Moreover, from the Realtek Support Driver Website comes out that it may be working for all the following Chipsets:

  • RTL8192EU
  • RTL8811AU
  • RTL8811CU
  • RTL8812AU
  • RTL8812BU
  • RTL8814AU
  • RTL8821AU

Finally, this Setup is Valid for All the Ubuntu-Based Distros like:

  • Linux Mint
  • Zorin OS
  • Lubuntu
  • Elementary OS
  • Kde Neon
  • Pop_OS!
  • Xubuntu
  • Linux Lite
  • Bodhi
  • Puppy
  • Kubuntu
  • LXLE
  • Trisquel
  • Voyager
  • feren OS
  • Peppermint
  • Linux Ultimate Edition
  • (You may just need to Discover what’s the Parent Release)
Step-by-step Realtek rtl8821AU Driver Installation in Ubuntu 24.04 - Featured
  1. 1. Downloading Realtek rtl8821AU Driver

    (Bewilderment can arise because this setup is making use of the rtl8812AU Code)
    Download Realtek rtl8821AU Driver for Ubuntu GNU/Linux

    Get Realtek rtl8821AU Driver for Ubuntu

    Or better Clone it with Git.
    Especially relevant: in the New Posts Revision I have included a greate Alternative to the default gnab Driver.
    So, in case of the aircrack-ng choice then follow the Github Developer Documentation to setup it.
    Especially relevant: the Aircrack-ng release include support for “Monitor mode” and “Frame injection“!

  2. 2. Installing Dependencies

    Then to Install Required Packages
    First, preferably Upgrade your System with:

    sudo apt update && sudo apt upgrade
    In this case then Reboot it using:
    sudo reboot
    Then run:

    sudo apt install build-essential linux-headers-$(uname -r) dkms unzip git
    Authenticate with the User Admin Pass.

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