GNU/Linux Debian Bullseye Realtek RTL8821cu Setup Guide
Hi! The Tutorial Shows You Step-by-Step How to Install Realtek RTL8821cu Wireless Driver in Debian Bullseye 11.x GNU/Linux.
Especially relevant: this Realtek RTL8821cu Driver Debian 11 Setup should be working also after a Kernel Upgrade with the Dkms integration.
Most noteworthy: 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.
1. Launching Terminal
Open a Terminal Shell Emulator Window:
(Press “Enter” to Execute Commands).
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2. Installing Requirements
Then to Install Required Stuff Simply play:
sudo apt install linux-headers-generic build-essential git dkms unzip
Contents
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