Your working directory is the /root folder, it's possible that Factorio looks there for the settings/save. Try going into the /opt/factorio folder and then call it with bin/x64/factorio.

Yep... that was it. Thank you so much. I was so deep into trying to fix lag issues and stuff the last time I ...

[Edit: RESOLVED by first comment. Thanks!]

I'm trying to run a headless with limited Linux knowledge, I'm running it off a box we already use for other things (it's on a VPS so no risk in screwing up, I already got dozens of "if you don't understand Linux you shouldn't be using it" comments on a ...

Any exported schematics from 0.14 must be from a mod and will be incompatible with 0.15's built-in system.

However, here's what you can do:

Download them for 0.14 and open them using the mod on a 0.14 version of Factorio, then paste and build them on a map.
Once you have the ones you want, load ...

Is it possible to save a blueprint in a custom scenario?

With the new built-in feature to import/export blueprints my immediate thought was to try to create some experimental designs in the map editor, load them in a custom scenario, save a blueprint, then export it to my real map.

I tried it out ...