Step-by-step – Realtek Rtl8821CE Driver Offline Mint 19 Installation

Installing Requirements

1. 1. Launching Terminal App

   Open a Terminal Shell Emulator Window:
   (Press “Enter” to Execute Commands)

   

   In case first see: Terminal QuickStart Guide.

2. 2. Finding Linux Headers

   Now to find the needed Linux Headers Release
   Check your current Kernel Version with:

   uname -r

   And take Note of it.

3. 3. Downloading Linux Headers

   Download Linux Headers for Mint 19 GNU/Linux

   Linux Headers for Mint

   Downloading Linux Headers for Mint

   Ctrl/Cmd+f to Search for “linux-headers” on Browser.
   But if you Do Not find the Matching Versions then see instead: Installing Mint 19 Kernel without Internet.

4. 4. Installing linux-headers Offline

   Then to Set up linux-headers Offline on Mint
   First, access the Target USB Driver or Location:

   cd /[path/2/linux-headers]

   But if you are in Trouble to Find it out on Terminal then See: How to Access USB Device.
   To Check the Package is there:

   ls | grep headers

   The grep Command Refine the output List showing only the entries Matching the Keyword.
   Then simply play:

   sudo apt install ./linux-headers*.deb

   Or:

   sudo dpkg -i ./linux-headers*.deb

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

5. 5. Downloading Dependencies

   Download Required Packages for Mint GNU/Linux

   Packages tar.gz Archive

   Downloading Packages for Mint

6. 6. Installing Dependencies

   Then to Install Required Stuff
   First, access the Target:

   cd /[path/2/usb]

   Then to Extract the Stuff:

   tar xvzf ./dkms*.tar.gz

   cd dkms*/

   To Setup run:

   sudo dpkg -i ./*.deb

   And then in case of issue again:

   sudo apt -f install

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

   sudo reboot

7. 7. Downloading Realtek rtl8821CE Driver

   Download Realtek Driver in Mint GNU/Linux

   Get Realtek Wi-fi Driver in Mint

   Realtek Driver Source Realtek for Mint

8. 8. Extracting Realtek rtl8821CE Driver

   And then Extract Driver Archive into /tmp
   Possibly Double-Click/Right-Click on Package and Open with Archive Manager:
   
   Or from Command Line:

   unzip -d /tmp/ *master.zip

9. 6. Removing Apt Driver

   First, to Remove rtl8821CE DKMS Apt Driver
   This only if it was installed, in any case try:

   sudo apt remove --purge rtl8821ce-dkms

   And if yes then reboot with:

   sudo reboot

10. 9. Installing Realtek rtl8821CE Driver

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

    cd /tmp/*master

    Or whatever else the Git Archive location.
    And then to Setup it play:

    sudo ./dkms-install.sh

    Last, in case of Troubles with Dkms you may Try with an Ordinary “make” “sudo make install” Setup.

11. 10. Loading Realtek rtl8821CE Driver

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

    sudo modprobe 8821ce

    Possibly try to Reboot to Activate your Device:

    sudo reboot