Ubuntu 21.10 Realtek RTL8821cu Driver Installation – Step-by-step Guide

January 12, 2022 | By the+gnu+linux+evangelist | Filed in: Tutorial.

GNU/Linux Ubuntu 21.10 Realtek RTL8821cu Driver Setup Guide

Hi! The Tutorial Shows You Step-by-Step How to Install Realtek RTL8821cu Wireless Driver in Ubuntu 21.10 Impish GNU/Linux.

Especially relevant, as an Easy Alternative you could first try with the PPA rtl8821CU Driver Setup.

And this Realtek RTL8821cu Driver for Ubuntu Impish Setup should be working also after a Kernel Upgrade with the Dkms integration.

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.

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  1. 1. Launching Terminal

    Open a Terminal Shell Emulator Window:
    (Press “Enter” to Execute Commands).

    Step-by-step Ubuntu Realtek RTL8821cu Driver Installation Guide - Open Terminal
  2. 2. Installing Requirements

    Then to Install Required Stuff Simply play:

    sudo apt install linux-headers-generic build-essential git dkms unzip

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