This is DHH's linux startup script. Call it a distro if you want, but he doesn't. It's made to take a vanilla ubuntu install and configure everything the way he likes it. There's a number of great nuggets in here to pick up on.
No need to write bespoke configs for every essential tool just to get started or to be up on all the latest command-line tools. Omakub is an opinionated take on what Linux can be at its best.
Check it out and give it a ⭐ basecamp/omakub{.hoverlink}.