How to install the NVIDIA drivers on Ubuntu 18.10 Cosmic Cuttlefish Linux - LinuxConfig.org

The objective is to install the NVIDIA drivers on Ubuntu 18.10 Cosmic Cuttlefish Linux. This article will discuss three methods of Nvidia driver installation in the following order:
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-install-the-nvidia-drivers-on-ubuntu-18-10-cosmic-cuttlefish-linux

How is this working on Ubuntu Cosmic without any blacklisting of the nouveau driver? On a 2008 MacPro with a EVGA GTX680 flashed to Mac ROMs, this driver installation recipe results in a black screen (no backlighting) after the Ubuntu splash screen with progress squares appears.

This is a really old post, but for anyone experiencing this problem (black screen after booting linux with NVIDIA drivers with EFI/Mac flashed card in a multi-display setup, try to boot with the upper DVI port disconnected. After you log in and desktop appears, connect the upper DVI and that activates the other displays, including the one connected via that upper DVI).