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Step-by-step – CentOS 7 Realtek RTL8821cu Driver Installation

May 15, 2020 | By the+gnu+linux+evangelist.

GNU/Linux CentOS 7 Realtek RTL8821cu Driver Setup – Step-by-step Guide

Hi! The Tutorial shows you Step-by-Step How to Install Realtek RTL8821cu Wireless Driver in CentOS GNU/Linux 7.

Especially relevant: this Realtek RTL8821cu Driver CentOS 7 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.

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.

How to Install Realtek RTL8821cu Driver in CentOS 7 - Featured

  1. 1. Launching Terminal

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

    Step-by-step CentOS Realtek RTL8821cu Driver Installation Guide - Open Terminal
    In case first see: Terminal QuickStart Guide.

  2. 2. Installing Dependencies

    Then to Install Required Stuff First, run:

    sudo yum group install "Development Tools"
    And again: 
    sudo yum install dkms kernel-headers kernel-devel elfutils-libelf-devel unzip git

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