Novideo

What Linux users see on their screen when they use an NVIDIA GPU.

Linux newbie: *Boots a live Ubuntu image*
Linux newbie: Why does it keep displaying a black screen? Is there something wrong?
Experienced Linux user: Try restarting and choosing the "Safe graphics" boot option.
Linux newbie: Thanks, it works now. But why doesn't it work with the normal option?
Experienced Linux user: Probably because you are using a Novideo GPU.

Layer 8 issue

Skill issue.

In networking, the OSI model splits the communication between systems into 7 layers, where the 1st layer is Physical layer and the 7th layer is Application layer. The term “Layer 8” is usually used to refer to the user.

Alice: Why do I keep dying in CS2. Is it a network problem?
Bob: Probably a layer 8 issue.