Realtek Rtl8822BU Driver Installation in Ubuntu 20.04 – Step-by-step

Installing Driver

3. 3. Downloading Realtek rtl8822BU Driver

   Download Realtek rtl8822BU Driver for Ubuntu GNU/Linux

   Get Realtek rtl8822BU Driver for Ubuntu

   Realtek Driver Source Code for Ubuntu

   Grab the Zip Archive or clone it with Git.
   
   In this New Post Revision in addition to the default Morrownr Driver choice I’ve added also the RinCat, Cilynx, Aircrack-ng and Gnab eventual Alternatives.
   So in case, then see directly the Developer Github Documentation to Setup it!

4. 4. Extracting Realtek rtl8822BU 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:

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

   unzip -d /tmp/ ~/Downloads/88x2bu*.zip

5. 5. Installing Realtek rtl8822BU Driver

   Then to Install Realtek rtl8822BU Wi-fi Driver for Ubuntu
   Access the Target Folder:

   cd  /tmp/88x2bu

   And then simply play:

   sudo ./install-driver.sh [NoPrompt]

   Try to load it Rebooting with:

   sudo reboot

   And you should successfully see your Wifi Adapter magically popping up from nowhere! :)
   Again to edit the Driver Configuration run:

   sudo ./edit-options.sh

   The Documentation is included in the /etc/modprobe.d/88x2bu.conf File.
   Last, possibly to Remove it, from this same Directory issue:

   sudo ./remove-driver.sh

   Thanks to Nick Morrownr inestimable Work!

Congratulations, your Realtek rtl8822BU Network Device on Ubuntu 20.04 should be now nicely working!