For a long time I lived thinking that I did something wrong working with nvidia drivers. Ubuntu installation comes with no problem every time I did it, but there was tremendous amount of issues which comes exact from installing nvidia drivers. It was so irritating and not intuitive that I always thought that this incosistency and issue generating flow is just matter of time. But it is still in game and installing CUDA Toolkit gave you that feeling like you are applying on junior software engineer to nvidia and it is a technical interview.