Step-by-step – Realtek RTL8188CE Driver Ubuntu 21.04 Installation

Installing

3. 3. Downloading Realtek RTL8188CE Driver

   Download Realtek Driver for Ubuntu GNU/Linux

   Get Realtek Wi-fi Driver .git/.zip for Ubuntu

   Realtek RTL8188CE Driver Source for Ubuntu.

   If you are using Firefox then on Prompt Choose “Open with Archive Manager”:

   

   Or After try to Select the Package by the Downloads Button on Top Panel:

   

   Instead, on Google-Chrome simply try to Choose the Package on the Bottom Panel:

   

   How to Install Chrome Browser on Linux.
   Or best to Clone the Archive with Git.

4. 4. Extracting Realtek RTL8188CE Driver

   And then Extract Driver Archive into /tmp
   (But best instead you follow instructions for a 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 RTL8188CE Driver

   Then to Install Wi-fi Driver for Ubuntu
   Access the Target folder, in case of a Git Checkout modifies the Path accordingly:

   cd /tmp/*master

   Or whatever else the Git Archive location.
   First, you may try with the Automatic Setup running:

   ./install.sh

   In case of Faillure then go with the DKMS Installation that could be functioning after a Kernel Patch.
   But after a Kernel Upgrade you may need to remake the Setup changing or Branch as on instructions.
   So now to start with the DKMS Installation first Copy the Source Code:

   cp -rv . /usr/src/rtlwifi-1.0.0

   Then Register the Sources with DKMS:

   sudo dkms add rtlwifi/1.0.0 .

   Next provide to Build and Install the Modules:

   sudo dkms install rtlwifi/1.0.0

   To Check the New Module is Loaded use:

   ./am_i_using_this_driver.sh

   Finally, in case of Troubles with Dkms you may Try with an Ordinary “make” “sudo make install” Setup following the given Commands.

6. 6. Loading Realtek RTL8188CE Driver

   Now to Load Realtek Driver into Ubuntu’s Kernel
   You should Reboot your System to Activate the Interface with:

   sudo reboot