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https://github.com/srid/nixos-config.git
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74 lines
3.5 KiB
Markdown
74 lines
3.5 KiB
Markdown
[](https://en.wikipedia.org/wiki/Affero_General_Public_License)
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[](https://nixos.zulipchat.com/#narrow/stream/413948-nixos)
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[](https://srid.ca/coc "This project follows the 'Harmlessness Code of Conduct'")
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This repository contains the Nix / NixOS configuration for all of my systems. See [nixos-flake](https://community.flake.parts/nixos-flake) if you want to create your own configuration from scratch.
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## Setup
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To use this repository as base configuration for your new machine running:
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### NixOS Linux
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> [!TIP]
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> For a general tutorial, see https://nixos.asia/en/nixos-install-flake
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- Install NixOS
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- Hetzner dedicated from Linux Rescue system: https://github.com/numtide/nixos-anywhere (see [blog post](https://galowicz.de/2023/04/05/single-command-server-bootstrap/); example PR: https://github.com/srid/nixos-config/pull/35 where I had to configure networking manually)
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- Copy from existing configuration (eg: ax41.nix)
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- Make networking configuration changes.
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- Run nixos-anywhere from a Linux system, targetting `root@<ip>`
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- Wait for reboot; `ssh srid@<ip>`; profit!
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- Digital Ocean
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- Legacy/manual approach: [nixos-infect](https://github.com/elitak/nixos-infect)
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- Modern/automate approach: Custom image + colerama; cf. [Zulip](https://nixos.zulipchat.com/#narrow/stream/413948-nixos/topic/Deploying.20to.20DigitalOcean) and [example](https://github.com/fpindia/fpindia-chat)
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- X1 Carbon: https://srid.ca/x1c7-install
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- Windows (via WSL): https://github.com/nix-community/NixOS-WSL
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- Clone this repo anywhere
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- Edit `flake.nix` to use your system hostname as a key of the `nixosConfigurations` set
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- Edit `users/config.nix` to contain your users
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- Run `nix run`. That's it. Re-open your terminal.
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### macOS
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- [Install Nix](https://nixos.asia/en/install)
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- Clone this repo anywhere
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- Edit `flake.nix` to use your system hostname as a key of the `darwinConfigurations` set
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- Edit `users/config.nix` to contain your users
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- Run `nix run`.[^cleanup] That's it. Re-open your terminal.
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[^cleanup]: You might have to `rm -rf /etc/nix/nix.conf`, so our flake.nix can do its thing.
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## Architecture
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Start from `flake.nix` (see [Flakes](https://nixos.wiki/wiki/Flakes)). [`flake-parts`](https://flake.parts/) is used as the module system.
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### Directory layout
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- `home`: home-manager config (shared between Linux and macOS)
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- `nixos`: nixos modules for Linux
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- `nix-darwin`: nix-darwin modules for macOS
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- `users`: user information
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- `systems`: top-level configuration.nix('ish) for various systems
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- `clusters`: Features that span more than 1 system
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## Tips
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- To update NixOS (and other inputs) run `nix flake update`
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- You may also update a subset of inputs, e.g.
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```sh
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nix flake lock --update-input nixpkgs --update-input darwin --update-input home-manager
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# Or, `nix run .#update`
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```
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- To free up disk space,
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```sh-session
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sudo nix-env -p /nix/var/nix/profiles/system --delete-generations +2
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sudo nixos-rebuild boot
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```
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- To autoformat the project tree using nixpkgs-fmt, run `nix fmt`.
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- To build all flake outputs (locally or in CI), run `nix --accept-flake-config run github:srid/nixci`
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- For secrets management, I use [colmena](https://colmena.cli.rs/unstable/features/keys.html) along with 1Password.
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## Discussion
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If you wish to discuss about this config, [join the Zulip](https://nixos.zulipchat.com/login/?next=/).
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