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README.md
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README.md
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# nixos is life
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The nix configuration of mine. My intentions are just to maintain my configuration and to contribute to the nix community.
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Here i have 4 machines and 1 sd card image that i maintain.
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- Laptop **tartarus** (faulty hardware, nvidia gpu doesnt work)
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- Desktop **ymir** (beast, my most prized possession as of now)
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- Raspberry Pi 5 **pochita** (a server that i experiment with)
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- Raspberry Pi 5 SD image **pochita-sd** (produces an sd image that could be used to flash the sd card of a rpi-5)
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- Phone **atreus** (unrooted, nix-on-droid)
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I didnt get these setup yet.
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- Raspberry Pi Zero 2W **harmonica** (small machine for small tasks and cronjobs) (not setup yet)
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- Android phone (termux) **android** (not setup yet)
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My options:
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I implemented a module system for my configurations. Each machine has its own set of options that can be enabled or disabled. The options are defined in the `modules/options.nix` file. Each option is a module that can be imported into the machine configuration.
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I am containing my options in the `osbmModules` attribute set. I dont like to interfere with the global configuration namespace. Here is all the available options:
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```nix
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osbmModules = {
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desktopEnvironment = "plasma"; # options: "plasma", "none"
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homeManager.enable = true;
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machineType = "desktop"; # options: "desktop", "laptop", "server", "embedded", "mobile"
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users = [ "osbm" "bayram" ];
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defaultUser = "osbm";
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agenix.enable = true;
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nixSettings.enable = true;
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programs = {
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steam.enable = true;
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graphical.enable = true;
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commandLine.enable = true;
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neovim.enable = true;
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arduino.enable = true;
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adbFastboot.enable = true;
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};
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services = {
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# list services to enable
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};
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hardware = {
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sound.enable = true;
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nvidia.enable = false;
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hibernation.enable = false;
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disko = {
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enable = true;
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fileSystem = "zfs"; # options: "zfs", "ext4"
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initrd-ssh = {
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enable = true;
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ethernetDrivers = [ "igc" ];
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};
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zfs = {
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enable = true;
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hostID = "49e95c43";
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root = {
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disk1 = "nvme0n1";
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disk2 = "nvme1n1";
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reservation = "200G";
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impermanenceRoot = true;
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};
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storage = {
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enable = true;
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disks = [
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"sda"
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"sdb"
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];
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reservation = "1500G";
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mirror = true;
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#amReinstalling = true;
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};
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};
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};
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}
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};
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```
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<div align="center">
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<h1>osbm's nix flake</h1>
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</div>
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<details>
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<details>
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<summary> How to bootstrap raspberry pi 5</summary>
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<summary>Hosts</summary>
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## How to use raspberry pi 5
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I may have some tendency on naming my hosts after mythological figures...
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I have 2 configurations for the raspberry pi 5. One is for the sd card (basically bootstraps the system) and the other is for my customized system itself.
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| Name | Description | Architecture | Status |
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|------|-------------|--------------|--------|
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| ymir | Desktop workstation | x86_64-linux | ✅ |
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| tartarus | Personal laptop | x86_64-linux | ✅ |
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| pochita | Raspberry Pi 5 | aarch64-linux | ✅ |
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| wallfacer | Dell Enterprise server | x86_64-linux | ✅ |
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| atreus | Work Phone (nix-on-droid) | aarch64-linux | ✅ |
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| luoji | Personal Phone (nix-on-droid) | aarch64-linux | ✅ |
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| prometheus | Work Laptop | x86_64-linux | ✅ |
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| artemis | Oneplus 6 (mobile nixos) | aarch64-linux | ✅ |
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| harmonica | Raspberry Pi Zero 2 | aarch64-linux | ✅ |
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| ares | Valve Steam Deck | aarch64-linux | ❌ |
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| apollo | netcup VPS | x86_64-linux | ✅ |
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build the image first (this took about 4 hours on ymir (binfmt for aarch64 needs to be enabled if you are building on x86_64))
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```sh
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$ nix build -L '.#nixosConfigurations.pochita-sd.config.system.build.sdImage'
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```
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then to flash the image to the sd card enable zstd
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```sh
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$ nix-shell -p zstd
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```
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then flash the image to the sd card
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```sh
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$ zstdcat nixos-sd-image-24.05.20241116.e8c38b7-aarch64-linux.img.zst | dd of=/dev/sda status=progress
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```
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and voila! when you plug the sd card to the raspberry pi 5 it will boot up with the configuration that you have built. And then you can ssh into it and further configure it.
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</details>
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</details>
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build iso with:
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nix build .#nixosConfigurations.myISO.config.system.build.isoImage
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# To-do list
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<details>
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<summary>Options</summary>
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- [x] iso image generator for nixos
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TODO i want to make all my options documented here
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- Basically the original nixos iso with added packages and tweaks.
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- [ ] build custom android rom
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- Or how to run nixos on the phone.
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- [ ] build android apps using nix
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- [ ] lichess
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- [ ] termux
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- [ ] build my qmk keyboard with nix
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- agenix
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- [ ] add my gpg keys
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- [x] add ssh keys so that machines can connect to each other
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- [x] module system with options
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- [ ] see which derivations will be built and which will be downloaded from cache or which is already present in the nix store.
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- [ ] see which python packages are giving build errors.
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- [x] home-manager setup
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- [ ] make a development environment nix repository
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- [ ] enable swap on pochita
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- [ ] learnis it possible to enable swap with sd-image?
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</details>
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nano /tmp/secret.key
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<details>
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sudo nix --experimental-features "nix-command flakes" run github:nix-community/disko -- --mode destroy,format,mount --flake github:osbm/flake#apollo
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<summary>Development Environments</summary>
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sudo mkdir -p /mnt/etc/ssh
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Currently all my development environments are defined under the devshells repository: https://github.com/osbm/devshells
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sudo ssh-keygen -t ed25519 -N "" -f /mnt/etc/ssh/initrd
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sudo nixos-install --flake github:osbm/flake#apollo --root /mnt --no-root-passwd
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</details>
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