GNU/Linux Ubuntu 21.10 Installing Realtek rtl8192EU Driver Guide
You Are Welcome! The Tutorial Shows You Step-by-Step How to Install Realtek rtl8192EU Driver by PPA in Ubuntu 21.10 Impish GNU/Linux.
And this Realtek rtl8192EU Driver for Ubuntu Impish PPA is developed thanks to the Free Work of Kelebek333.
Especially relevant: if you installed your BIOS PC OS in UEFI Mode, you must Disable Secureboot for Modules installed by Dkms after Installation.
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 And in case then see the How to Switch Kernel Guide.
Finally, in case of Issue, as an Alternative you should see the Generic rtl8192EU Linux Drive Setup.
1. Terminal Getting-Started
How-to Quick-Start with Command Line on Ubuntu GNU/Linux:Console Ubuntu Linux QuickStart Guide