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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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NixOS - edit system files (lemmy.ml)

submitted 10 months ago* (last edited 10 months ago) by wwwgem@lemmy.ml to c/linux@lemmy.ml

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Hello,

I'm experiencing with NixOS and would like to know what would be the nicest way to add a specific line to a system file.

As an example, how would you configure NixOS so the line
auth sufficient pam_fprintd.so
is added to the /etc/pam.d/doas file? As a bonus, it would be nice to know how to change an option (and not add an entire line) to a system file for which there is no NixOS default extraConfig/extraRules support for.

This would allow me to add this line or not depending on the machine NixOS will be installed on.

Thanks in advance for your suggestions.

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[–] hallettj 3 points 10 months ago (2 children)

Although they're not in the search, they are in the manual so you can find them searching that page. This one is listed as,

security.pam.services..fprintAuth

But it does take some inferences to find this, and to realize that you can put doas in place of ``

[–] 2xsaiko@discuss.tchncs.de 2 points 10 months ago

No, that one is in the search as well. It's a normal option. https://search.nixos.org/options?show=security.pam.services.%3Cname%3E.fprintAuth

What isn't and also isn't in the manual is the rules options. Those are all internal.

[–] wwwgem@lemmy.ml 1 points 10 months ago

As I said I've actually done it before asking... But I didn't reboot and and that was needed for the change to take effect ¯\_(ツ)_/¯