Step-by-step – Realtek RTL8168 Driver Ubuntu 21.10 Installation

Installing GitHub Repos Driver

5. 5. Installing Realtek rtl8168 GitHup Driver

   Download & Install Realtek rtl8168 GitHub Driver for Ubuntu GNU/Linux

   Realtek rtl8168 Driver for Ubuntu

   Installing Realtek rtl8168 Driver for Ubuntu

   For the Setup follow the Instructions given by the Developer on GitHub.
   But in this case you should first Upgrade your System with:

   sudo apt upgrade

   Reboot:

   sudo reboot

   And then as prerequisite install the Kernel Headers and DKMS:

   sudo apt install dkms linux-headers-`uname -r`

   Then access the Driver Target, usually with:

   cd ~/Downloads/r8125*

   But if you are in Trouble to Find it out on Terminal then See: How to Access Downloads Folder from Browser.
   Then to Setup it run:

   sudo ./autorun

   Next Reboot again:

   sudo reboot

   And to Check if the Module is Loaded:

   lsmod | grep r8125

   Good Luck! :)

So Now I’m truly Happy if this Guide could Help you to Install Realtek RTL8168 Driver on Ubuntu 21.10!