GNU/Linux CentOS 8/9 Realtek rtl8XXXU Driver Setup – Step-by-step Guide
Hi! The Tutorial shows you Step-by-Step How to Install Realtek rtl8XXXU Wireless Driver in CentOS 8/9 Stream GNU/Linux.
And this Realtek rtl8XXXU Driver CentOS 8/9 Setup should be working also after a Kernel Upgrade with the Dkms integration.
Moreover, the Rtl8xxxu Driver support the following Chipsets:
- RTL8188CUS
- RTL8188EU (Basic)
- RTL8191CU
- RTL8192CU
- RTL8192FU (Experimental)
- RTL8723AU (Basic)
- RTL8723BU (Limited)
- RTL8731AU
Many thanks to Developer Lwfinger for his precious and generous Free Work on the rtl8XXXU 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.
Finally, this Setup is Valid also for All the others RedHat Linux Based Distros like:
- RedHat Enterprise Linux
- Oracle Enterprise Linux
- Rocky Linux
- AlmaLinux
- Amazon Linux

1. Terminal QuickStart
How to Quick-Start with Command Line on CentOS
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2. Installing Dependencies
Then to Install Required Stuff
First, possibly Upgrade your system with:sudo dnf upgrade --refresh
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.
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