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How To Install rtl8814au Driver on Ubuntu 18.04

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In this article, we will guide you through the process of installing the rtl8814au driver on Ubuntu 18.04. This driver is essential for many USB wireless adapters, such as the TP-Link T9UH. We will explain each step in detail to ensure that even beginners can follow along.

Quick Answer

To install the rtl8814au driver on Ubuntu 18.04, you need to first update your system and install the required packages. Then, download the driver from the GitHub repository and build it using the provided commands. Finally, reboot your system for the changes to take effect.

Prerequisites

Before we start, make sure your USB wireless device is not inserted. Also, ensure that your system is up-to-date by running the following command:

sudo apt update

This command checks your repositories for updates. The sudo command is used here to run the command as a superuser, and apt update updates the package lists for upgrades for packages that need upgrading.

Installing Required Packages

Next, we need to install some required packages that will help us build the driver. Run the following command to install them:

sudo apt install git build-essential dkms

Here, git is a version control system that allows you to download the latest version of the rtl8814au driver from the GitHub repository. build-essential is a package that includes various tools necessary for compiling software. dkms is a framework that allows kernel drivers to be dynamically built and loaded.

Downloading the Driver

Now, we will download the driver from the GitHub repository using the following command:

git clone https://github.com/gnab/rtl8812au

This command clones the repository from the URL provided and creates a new directory in your current folder.

Building and Installing the Driver

Navigate to the downloaded directory using the command:

cd rtl8812au

Before we build the driver, we need to clean the build area with the following command:

sudo make clean

Now, we can build and install the driver using these commands:

sudo make
sudo make install

The make command compiles the driver, and make install installs it.

Rebooting the System

After installing the driver, reboot your system to allow the changes to take effect.

Troubleshooting

If you encounter any issues, you can remove the previously installed driver and reload it using the following commands:

sudo dkms remove rtl8814au/4.3.21 --all
sudo dkms add ./rtl8814au
sudo dkms install rtl8814au/4.3.21

The first command removes the driver, the second one adds it back, and the third one installs it. After running these commands, reboot your system.

Conclusion

By following the steps outlined in this article, you should be able to install the rtl8814au driver on Ubuntu 18.04. If you encounter any issues, you can search for alternative drivers or contact the manufacturer for support specific to your USB wireless adapter. Always ensure compatibility and verify the sources before installing any drivers.

What is the rtl8814au driver?

The rtl8814au driver is a driver that is required for USB wireless adapters, such as the TP-Link T9UH, to work properly on Ubuntu 18.04.

How do I check if my system is up-to-date?

You can check if your system is up-to-date by running the following command in the terminal: sudo apt update. This command will update the package lists for upgrades for packages that need upgrading.

What are the required packages to install the rtl8814au driver?

The required packages to install the rtl8814au driver are git, build-essential, and dkms. You can install them by running the command sudo apt install git build-essential dkms in the terminal.

How do I download the rtl8814au driver from the GitHub repository?

You can download the rtl8814au driver from the GitHub repository by running the command git clone https://github.com/gnab/rtl8812au in the terminal. This will clone the repository and create a new directory in your current folder.

How do I build and install the rtl8814au driver?

To build and install the rtl8814au driver, navigate to the downloaded directory using the command cd rtl8812au, then clean the build area with sudo make clean. Finally, build and install the driver with the commands sudo make and sudo make install.

How do I remove and reload the rtl8814au driver if I encounter any issues?

If you encounter any issues, you can remove the previously installed driver and reload it by running the following commands in the terminal: sudo dkms remove rtl8814au/4.3.21 --all, sudo dkms add ./rtl8814au, and sudo dkms install rtl8814au/4.3.21. After running these commands, reboot your system.

What should I do if I still encounter issues after installing the rtl8814au driver?

If you still encounter issues after installing the rtl8814au driver, you can search for alternative drivers or contact the manufacturer for support specific to your USB wireless adapter. Always ensure compatibility and verify the sources before installing any drivers.

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