Step-by-step – Realtek Rtl8192EU Driver CentOS 8.x/Stream-8 Installation

Installing

4. 4. Installing Custom Kernel

   How to Build & Install Custom Kernel on CentOS GNU/Linux

   Installing Custom Kernel CentOS

   First, check your current Kernel version with:

   uname -r

   A Kernel 4.4+ may be required.
   Else you may try first to Upgrade the current System:
   Again better to Upgrade the System with:

   sudo dnf upgrade

   sudo reboot

   And then again:

   sudo dnf install kernel-headers kernel-devel

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

5. 5. Installing Realtek rtl8192EU Driver

   Then to Install Clnhub rtl8192EU Driver
   Access the Target folder, in case of a Git Checkout modifies the Path accordingly:

   cd /tmp/*master

   Then for the Automate Installation:

   sudo ./install_wifi.sh

   Finally, in case of Troubles see the Developer’s GitHub Documentation for a Manual Setup.
   Next you have to Blacklist the possibly present rtl8xxxu Driver:

   echo "blacklist rtl8xxxu" | sudo tee /etc/modprobe.d/rtl8xxxu.conf

6. 6. Fixing Issue

   Potentially to Fix Weird Idling Issues
   Try executing:

   echo "options 8192eu rtw_power_mgnt=0 rtw_enusbss=0" | sudo tee /etc/modprobe.d/8192eu.conf

   See if it may be working on CentOS?