Talk:Language settings
From MoodleDocs
Language selection priority
This figure shows Moodle priority when selecting languages and should help you understand the relationship of the various settings for Site, Course, and User.
Dead links
Do you want something like this? https://www.shellhacks.com/linux-define-locale-language-settings/ or this https://www.tecmint.com/set-system-locales-in-linux/