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nixos-config's Introduction

AGPL project chat Harmeless Code of Conduct

This repository contains the Nix / NixOS configuration for all of my systems. See nixos-flake if you want to create your own configuration from scratch.

Setup

To use this repository as base configuration for your new machine running:

NixOS Linux

Tip

For a general tutorial, see https://nixos.asia/en/nixos-install-flake

  • Install NixOS
  • Clone this repo anywhere
  • Edit flake.nix to use your system hostname as a key of the nixosConfigurations set
  • Edit users/config.nix to contain your users
  • Run nix run. That's it. Re-open your terminal.

macOS

  • Install Nix
  • Clone this repo anywhere
  • Edit flake.nix to use your system hostname as a key of the darwinConfigurations set
  • Edit users/config.nix to contain your users
  • Run nix run.1 That's it. Re-open your terminal.

Architecture

Start from flake.nix (see Flakes). flake-parts is used as the module system.

Directory layout

  • home: home-manager config (shared between Linux and macOS)
  • nixos: nixos modules for Linux
  • nix-darwin: nix-darwin modules for macOS
  • users: user information
  • systems: top-level configuration.nix('ish) for various systems

Tips

  • To update NixOS (and other inputs) run nix flake update
    • You may also update a subset of inputs, e.g. 
      nix flake lock --update-input nixpkgs --update-input darwin --update-input home-manager
# Or, `nix run .#update`
  • To free up disk space, 
    sudo nix-env -p /nix/var/nix/profiles/system --delete-generations +2
sudo nixos-rebuild boot
  • To autoformat the project tree using nixpkgs-fmt, run nix fmt.
  • To build all flake outputs (locally or in CI), run nix --accept-flake-config run github:juspay/omnix ci build
  • For secrets management, I use ragenix.

Discussion

If you wish to discuss about this config, join the Zulip.

Footnotes

  1. You might have to rm -rf /etc/nix/nix.conf, so our flake.nix can do its thing. ↩

nixos-config's People

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lovingmelody avatar srid avatar

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locallycompact kpfromer eason0210 mbprtpmnr layeddie cptfinch wse gonixway staticagent fursiol0800 rudamentary99 fearoffish lokhmakov tzuifurther lovingmelody testfailed takocrypt

nixos-config's Issues

Nixify `.ssh/config` using home-manager 

Host actual
  HostName 167.205.125.179
  ForwardAgent yes

Host biryani
  User admin
  HostName 100.97.32.60
  ForwardAgent yes

# To clone Juspay repos.
# https://developer.1password.com/docs/ssh/agent/advanced/#match-key-with-host
Host bitbucket.org
  IdentityFile ~/.ssh/juspay.pub
  IdentitiesOnly yes

Host *
  IdentityAgent "~/Library/Group Containers/2BUA8C4S2C.com.1password/t/agent.sock"

Reintroduce temp VMs 

          # For downloading stuff off internet in VPN.
          #
          # This is run in qemu only, which is useful to keep the host machine
          # directly connected to the network (for acccess from outside).
          #
          # > nixos-shell --flake github:srid/nixos-config#corsair
          corsair = pkgs.lib.makeOverridable nixpkgs.lib.nixosSystem {
            inherit system pkgs;
            specialArgs = { inherit system inputs; };
            modules = [
              inputs.nixos-shell.nixosModules.nixos-shell
              {
                virtualisation = {
                  memorySize = 8 * 1024;
                  cores = 2;
                  diskSize = 20 * 1024;
                };
                environment.systemPackages = with pkgs; [
                  protonvpn-cli
                  aria2
                ];
                nixos-shell.mounts = {
                  mountHome = false;
                  mountNixProfile = false;
                  extraMounts."/Downloads" = {
                    target = "/home/${userName}/Downloads";
                    cache = "none";
                  };
                };
              }
            ];
          };
        };

Question regarding home-manager.

In the main flake.nix, is it possible to extract the below snippet into another file and use the file here ?

home-manager.nixosModules.home-manager
{
    home-manager.useGlobalPkgs = true;
    home-manager.useUserPackages = true;
    home-manager.users.srid = import ./home.nix
      {
        inherit inputs system pkgs;
      };
}

Simplify darwin build command

This doesn't look great

nixos-config/Makefile

Line 18 in e20c1ea

TERM=xterm $$(nix build --extra-experimental-features "flakes nix-command" .#darwinConfigurations.$(HOSTNAME).system --no-link --json | nix --extra-experimental-features "flakes nix-command" run ${WITHEXP} nixpkgs#jq -- -r '.[].outputs.out')/sw/bin/darwin-rebuild switch --flake .

Segfault upon updating `flake-parts` 

git clone https://github.com/srid/nixos-config.git
nix flake lock --update-input flake-parts
nix develop
trace: warning: When invoking flake-parts, it is recommended to pass all the flake output
arguments in the `inputs` parameter. If you only pass `self`, it's not
possible to use the `inputs` module argument in the module `imports`.

Please pass the output function arguments. For example:

    outputs = inputs@{ flake-parts, ... }:
      flake-parts.lib.mkFlake { inherit inputs; } { /* module */ };

To avoid an infinite recursion, *DO NOT* pass `self.inputs` and
*DO NOT* pass `inherit (self) inputs`, but pass the output function
arguments as `inputs` like above.

~~I tried updating it to use that form and managed to get a segmentation fault 😞 ~~

So doing the above steps will show that error on both x86_64 linux and darwin-arch64, but on darwin-arch64 it will segfault. I'm assuming because of infinte recursion it warns about? Not sure.

I'm trying to see if I can downgrade to the older seemingly working flake-parts for now.

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