Tiny Core Linux: a 23 MB Linux distro with graphical desktop

Tiny Core Linux has a version for Raspberry Pis called piCore [0] that I wish more people would look at, because it loads itself entirely into RAM and does not touch the SD card at all after that until and unless you explicitly tell it to.

Phenomenal for those low powered servers you just want to leave on and running some tiny batch of cronjobs [1] or something for months or years at a time without worrying too much about wear on the SD card itself rendering the whole installation moot.

This is actually how I have powered the backend data collection and processing for [2], as I wrote about in [3]. The end result is a static site built in Hugo but I was careful to pick parts I could safely leave to wheedle on their own for a long time.

[1]: https://til.andrew-quinn.me/posts/consider-the-cronslave/

[2]: https://hiandrewquinn.github.io/selkouutiset-archive/

[3]: https://til.andrew-quinn.me/posts/lessons-learned-from-2-yea...

"Phenomenal for those low powered servers you just want to leave on and running some tiny batch of cronjobs [1] or something for months or years at a time without worrying too much about wear on the SD card itself rendering the whole installation moot."

Yes, this is exactly what I want, except I need some simple node servers running, which is not so ultra light. Would you happen to know, if this still all works within the ram out of box, or does this require extra work?

To my understanding TCL expects the RAM-only / diskless case unless you put in a lot of extra work not to do that. In your situation the only thing you would have to really be worried about is whether 4 GB of RAM or whatever you have is enough to fit TCL and the files for your node server and the actual programs you are trying to run with all that. It doesn't get pretty once you exceed your available RAM, be forewarned - but that's true of all programs in a sense.