feat(configuration): Make /etc/resolv.conf immutable
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1 changed files with 10 additions and 1 deletions
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@ -2,7 +2,7 @@
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# your system. Help is available in the configuration.nix(5) man page
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# and in the NixOS manual (accessible by running ‘nixos-help’).
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{ config, pkgs, ... }:
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{ config, lib, pkgs, ... }:
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{
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imports =
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@ -39,6 +39,15 @@
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firewall.allowedTCPPorts = [ 5556 5558 ];
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};
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# Generate an immutable /etc/resolv.conf from the nameserver settings
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# above (otherwise DHCP overwrites it):
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environment.etc."resolv.conf" = with lib; with pkgs; {
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source = writeText "resolv.conf" ''
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${concatStringsSep "\n" (map (ns: "nameserver ${ns}") config.networking.nameservers)}
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options edns0
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'';
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};
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# Configure emacs:
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# (actually, that's a lie, this only installs emacs!)
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services.emacs = {
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