How to Install Realtek rtl8912AU WiFi Driver on CentOS 9

GNU/Linux CentOS 9 Realtek rtl8912AU Driver Setup – Step-by-step Guide

How to Install Realtek rtl8912AU Wireless Driver on CentOS 9 Stream GNU/Linux.

And this Realtek rtl8912AU Driver CentOS 9 Setup should be working also after a Kernel Upgrade with the Dkms integration.

The RTL8912AU chipset is commonly used in modern USB Wi-Fi adapters and supports cutting-edge 802.11ac/ax/be (Wi-Fi 7) standards, offering tri-band operation across 2.4 GHz, 5 GHz, and 6 GHz frequencies and advanced capabilities like WPA3 encryption, MLO, and high-throughput data rates.

Many thanks to Developer Morrownr for his precious and generous Free Work on the rtl8912AU Driver — GitHub Page.

Especially relevant: the supported Kernel Range may vary over time, as does the Driver itself — for up-to-date details, see the Developer Documentation.

To ensure the best setup for Realtek WiFi drivers, it’s recommended to update or upgrade your kernel. This process can help in resolving compatibility issues and improve driver performance. You can follow the detailed guide on how to Update your Kernel on various GNU/Linux distributions here.

1. 1. Terminal QuickStart

   How to Quick Start with Command Line on CentOS

   Terminal CentOS QuickStart Guide

   Getting Started with Command Line on CentOS.

2. 2. Installing Dependencies

   Then to Install Required Stuff
   First, possibly Upgrade your system with:

   sudo dnf upgrade --refresh<
   /pre>
   In this case after reboot:
   

   sudo reboot

   Then run:

   sudo dnf groupinstall "Development Tools"

   And again:

   sudo dnf install dkms elfutils-libelf-devel unzip git

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