rtl8814AU Driver Ubuntu 21.04 Installation – Step-by-step

Installing Driver

3. 3. Downloading Realtek rtl8814AU Driver

   Download Realtek Driver for Ubuntu GNU/Linux

   Get Realtek rtl8814AU Driver for Ubuntu

   Realtek Driver Source Realtek for Ubuntu

   Best to Clone it with Git!

4. 4. Extracting Realtek rtl8814AU Driver

   And then Extract Driver Archive into /tmp
   (Skip in case of Git Checkout)
   Possibly Double-Click/Right-Click on Package and Open with Archive Manager:

   
   Or from Command Line:

   unzip -d /tmp/ ~/Downloads/*master.zip

   (But if you are in Trouble to Find the Location on Terminal then See: How to Access Downloads Folder from Browser.)

5. 5. Installing Realtek rtl8814AU Driver

   Then to Install rtl8814AU Wi-fi Driver for Ubuntu
   (This for the Aircrack-Ng flavor, in the other cases follow the Developer Documentation)
   Access the Target folder:

   cd  /tmp/*master

   Or in case of Git Checkout:

   cd rtl8814au

   To Install it with DKMS try:

   sudo make dkms_install

   Or for a simple make install instead:

   make

   sudo make install

   Then to reboot System use:

   sudo reboot

   Finally, to list the available Wifi Interfaces run:

   ifconfig | grep wlan

   The grep Command refine the output List showing only the Entries matching the Keyword.