Step-by-step – Realtek Rtl8192DU Driver Ubuntu 18.04 Installation

Installing

4. 4. Installing Dependencies

   Then to Install Required Stuff
   First, play:

   sudo apt install bc build-essential module-assistant

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

   sudo apt upgrade

   And in this case after Restart your System running:

   sudo reboot

   Last, to Setup the Kernel Headers and other eventual Requirements run:

   sudo m-a prepare

5. 5. Installing Realtek rtl8192DU Driver

   Then to Install Realtek rtl8192DU Wi-fi Driver for Ubuntu
   Access the Target folder:

   cd /tmp/*master

   First, build it with:

   make

   And then to Setup it play:

   sudo make install

6. 6. Loading Realtek rtl8192DU Driver

   Now to Load Realtek Driver into Ubuntu’s Kernel
   Try to Load it with the following Command:

   sudo modprobe 8192du

   Eventually try to Reboot to Activate your Device:

   sudo reboot

So Now I’m truly Happy if My Guide could Help you to Install Realtek rtl8192DU Driver on Ubuntu 18.04!