Teacher of main character uses linux “TONIKAWA: Over the Moon for You” first episode 04:55 time

Since you say media and not specifically show or movie.

There’s a manga based on ubuntu: https://en.wikipedia.org/wiki/Ubunchu!

The story follows the activities of the three members of the Ichinomiya Prefectural High School’s system administration club (part of the wider IT club). Each chapter is focused on a certain aspect of the Ubuntu operating system or a related topic, such as command-line interfaces, input methods, Linux Mint, or software licensing.

mr. robot

In The Matrix 2, Trinity uses nmap to check for an ssh exploit, then cracks it using a cli tool, all from Linux.

Edit: The ssh exploit was a real, known vulnerability at the time.

I mean, you see it a lot in local or low to mid budget network TV. They dress up the laptop to make it look like apple hardware (usually a pear logo instead of an Apple), but when you get a glimpse of the DE, it is clearly neither windows nor apple.

Tv writers and other liberal arts types tend to be cult-like in their devotion to apple, but I guess network TV prop departments have decided apple is too expensive, and installing windows is too much of a hassle.

Ubuntu in Nobody (slightly nsfw), great movie too.

It checks all the boxes. Pinging some random IP, checking their python version, installing pip updates, the output of ls -l /etc, all in a virtualbox VM. Clearly a professional hacker. /s