$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install Realtek rtl8821AU Driver in Debian Bookworm

March 30, 2024 | By the+gnu+linux+evangelist.

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

Hi! The Tutorial shows you Step-by-Step How to Install Realtek rtl8821AU WiFi Driver in Debian Bookworm 12.x GNU/Linux.

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

Finally, 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
How to Install Realtek rtl8821AU Driver in Debian Bookworm

  1. 1. Launching Shell Emulator

    Open a Terminal window
    (Press “Enter” to Execute Commands).

    Step-by-step Realtek rtl8821AU Driver Debian Bookworm Installation - Open Terminal Shell Emulator
    Refresh the Apt Sources: 
    sudo apt update
    Authenticate with the User Admin Pass.
    If Got “User is Not in Sudoers file” then see: How to Enable sudo.

  2. 2. Downloading Realtek rtl8821AU Driver

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

    Get Realtek rtl8821AU Driver in Debian

    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“!

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