Realtek Rtl8812BU Debian Bullseye Driver Installation – Step-by-step

GNU/Linux Debian Bullseye Realtek rtl8812BU Driver Setup – Step-by-step Guide

Hi! The Tutorial shows you Step-by-Step How to Install Realtek rtl8812BU Wireless Driver in Debian Bullseye 11.x GNU/Linux.

And this Debian 11 Realtek rtl8812BU Driver could be supporting all the rtl88x2BU Chipset equipped Devices, as for instance the rtl8822BU one.

Moreover, this Realtek rtl88x2BU Driver Debian Bullseye Setup should be working also after a Kernel Upgrade with the Dkms integration.

This Realtek rtl88x2BU Driver has been successfully tested with a Linux Kernel 4.4+.

And following the Realtek Driver Suppor Documentation it may be working also for all the following Chipsets:

• rtl8192EU
• rtl8811AU
• rtl8811CU
• rtl8812AU
• rtl8812BU
• rtl8814AU
• rtl8822BU

Please be aware of how this Driver is Not supporting all the Linux Kernels range, so in case of issue consult the available Online Documentation.

So as a possible Solution, then you may also see: How to Install New Kernel Guide.

Again, in case of Issue for preventing any possible Driver loading Interference you should also take into account: How to Blacklist Kernel Modules.

1. 1. Launching Shell Emulator

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

   

2. 2. Updating System

   So possibly to Upgrade Debian Bullseye
   Play:

   sudo apt upgrade

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.
   In case a New Kernel is installed then reboot executing:

   sudo reboot

3. 3. Installing Dependencies

   Then to Install Required Stuff
   Run:

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

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

   sudo reboot

4. 4. Downloading Realtek rtl8812BU Driver

   Download Realtek rtl8812BU Driver in Debian GNU/Linux

   Get Realtek rtl8812BU Driver in Debian

   Realtek Driver Source Code for Debian
   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!

5. 5. 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:

   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