More info here: viewtopic.php?f=49&t=96702&p=540048#p540048

tl;dr - headless uses json, gui uses ini.

Ah okay, that actually makes sense, since the graphic options are excluded from the json but included in the ini. Thanks for your help.

Linux uses a config.ini instead of a .json

Edit: So, I stopped trying to use the config.ini and used the server-settings.json instead, and it looks like things are working now. As far as I understand, either should work, so it's a mystery to me why the config.ini doesn't work.

I have a headless server running on Ubuntu. The server loads, but none of the config options are enabled. Most notably, the server has no join password, when I have specified a password in the config. I can set options with the multiplayer console, but they revert to defaults once the server is rest...

Using --config allowed the server to start, but unfortunately it is now not respecting my config options, most notably the requirement for a password. Tested connecting both from LAN and over the internet; not sure if this makes a difference. I've confirmed in the log that the executable is recogniz...

Factorio 1.1.26 (build 58172, linux64, headless) Server fails to start if the --server-settings argument specifies a config.ini. The error message is "Unexpected character (;) at /opt/factorio/config/config.ini:1" Removing the first three lines (each starting with a semicolon) results in a...