Step-by-step – CentOS Stream 9 Realtek Rtl8821ce Driver Installation

GNU/Linux CentOS Stream 9 Realtek rtl8821CE Setup – Step-by-step Guide

Hi! The Tutorial shows you Step-by-Step How to Install Realtek rtl8821CE Wireless Driver in CentOS Stream 9 GNU/Linux.

Especially relevant, this Driver should be functioning also for the following Realtek Chipsets:

• RTL8821AE
• RTL8822BE
• RTL8723CE
• RTL8723DE

As suggested from the Realtek Driver Support and the Arch Linux AUR Package.

So this Guide is valid also for all the others Red Hat Linux Based Distros like:

• Red Hat Enterprise Linux
• Oracle Enterprise Linux
• Rocky Linux
• AlmaLinux

Finally, this Realtek rtl8821CE Driver CentOS Stream 9 Setup should be working also after a Kernel Upgrade with the Dkms integration.

1. 1. Launching Shell Emulator

   Open a Terminal window
   (Press “Enter” to Execute Commands)

   
   In case first see: Terminal QuickStart Guide.
   

2. 2. Installing Dependencies

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

   sudo dnf upgrade

   In this case after reboot:

   sudo reboot

   Then run:

   sudo dnf groupinstall "Development Tools"

   Further you may need also the C Libraries:

   sudo dnf groupinstall "C Development Tools and Libraries"

   How to Enable Powers Tools on CentOS 9

   Enabling CentOS Stream 9 Powers Tools

   How to Enable CentOS Stream 9 Powers Tools Guide
   And again:

   sudo dnf install dkms kernel-headers kernel-devel 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.