https://linuxconfig.org/how-to-install-the-nvidia-drivers-on-ubuntu-18-04-bionic-beaver-linux
https://www.cyberciti.biz/faq/ubuntu-linux-install-nvidia-driver-latest-proprietary-driver/
https://www.linuxbabe.com/ubuntu/install-nvidia-driver-ubuntu-18-04 (great)
https://my.oschina.net/farces/blog/2209486
https://www.cyberciti.biz/faq/ubuntu-linux-install-nvidia-driver-latest-proprietary-driver/ (best one)
Ubuntu Install Nvidia driver using the CLI method # 2
Open the termial application and search for nvidia drivers using the apt command or apt-get command:$ apt search nvidia-driver
OR use the apt-cache command to search package:$ apt-cache search nvidia-driver
Updating and installing all security and important updates on Ubuntu
Do not skip the following two commands as you must apply all pending security updates:$ sudo apt update
$ sudo apt upgrade
Installing NVIDIA drivers on Ubuntu
Let us install the nvidia-driver-390 package:$ sudo apt install nvidia-driver-390
At this time, the latest tested proprietary drive version is 460. We can install that one as follows on Ubuntu Linux 20.04 LTS:$ sudo apt install nvidia-driver-460
Reboot the Linux with help of either reboot or shutdown command:$ sudo reboot