So I've been experimenting with Ubuntu on and off for a while, but I honestly have no idea what the hell I'm doing. So I have a realtek RTL8812bu WiFi dongle that I'm hoping to get working. I did some research, and came across this driver on GitHub that a couple people across two threads said worked for them:
At the bottom it said there is a new version here. So somewhere it said it was confirmed to work on kernels up to 4.16, so I checked and I'm on 4.15.0. But the problem I'm having, is what am I supposed to do? There is some installation guide at the bottom that is about as clear as mud to me since I don't know much.
Almost all of the instructions are in the README on the second site you linked. I’ll fill in a few blanks.
With a working internet connection by ethernet, tethering or whatever means possible, open a terminal and do:
Now, from the README:
Please be aware that the ‘build’ process takes a few moments; please be patient.
Your wireless should now be working.