How to Install Realtek rtl8821AU Driver on MX Linux – Step-by-step

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

Hi! The Tutorialz shows you Step-by-Step How to Install Realtek rtl8821AU Wireless Driver in MX GNU/Linux Desktop.

And this Realtek rtl8821AU Driver MX Setup should be working also after a Kernel Upgrade with the Dkms integration.

Moreover, the Rtw88 Driver support the following Chipsets:

• PCIe: RTL8723DE, RTL8814AE, RTL8821CE, RTL8822BE, RTL8822CE
• SDIO: RTL8723CS, RTL8723DS, RTL8821CS, RTL8822BS, RTL8822CS
• USB: RTL8723DU, RTL8811AU, RTL8811CU, rtl8821AU, RTL8812BU, RTL8812CU, RTL8814AU, RTL8821AU, RTL8821CU, RTL8822BU, RTL8822CU

Many thanks to Developer Lwfinger for his precious and generous Free Work on the rtl8821AU Driver — GitHub Page.

Especially relevant: the supported Kernel Range may vary over time, as does the Driver itself — for up-to-date details, see the Developer Documentation.

To ensure the best setup for Realtek WiFi drivers, it’s recommended to update or upgrade your kernel. This process can help in resolving compatibility issues and improve driver performance. You can follow the detailed guide on how to Update your Kernel on various GNU/Linux distributions here.

1. 1. Terminal Getting-Started Guide

   How to Quick Start with Command Line on MX GNU/Linux:

   Console MX QuickStart Guide

   Getting-Started with Command Line on MX.

2. 2. Installing Dependencies

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

   sudo apt update && sudo apt upgrade

   If a New Kernel has been installed, reboot the system using:

   sudo reboot

   Again run:

   sudo apt install build-essential linux-headers-$(uname -r) dkms unzip git

   Authenticate with the User Admin Pass.