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configuration.nix Normal file
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# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).
{ config, pkgs, ... }:
{
imports =
[ # Include the results of the hardware scan.
./hardware-configuration.nix
];
# Bootloader.
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
networking.hostName = "nixos"; # Define your hostname.
# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
# Configure network proxy if necessary
# networking.proxy.default = "http://user:password@proxy:port/";
# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
# Enable networking
networking.networkmanager.enable = true;
# Set your time zone.
time.timeZone = "Europe/Bratislava";
# Select internationalisation properties.
i18n.defaultLocale = "en_US.UTF-8";
i18n.extraLocaleSettings = {
LC_ADDRESS = "sk_SK.UTF-8";
LC_IDENTIFICATION = "sk_SK.UTF-8";
LC_MEASUREMENT = "sk_SK.UTF-8";
LC_MONETARY = "sk_SK.UTF-8";
LC_NAME = "sk_SK.UTF-8";
LC_NUMERIC = "sk_SK.UTF-8";
LC_PAPER = "sk_SK.UTF-8";
LC_TELEPHONE = "sk_SK.UTF-8";
LC_TIME = "sk_SK.UTF-8";
};
# Configure keymap in X11
services.xserver = {
layout = "us";
xkbVariant = "";
};
# Define a user account. Don't forget to set a password with ‘passwd’.
users.users.itsdrike = {
isNormalUser = true;
description = "ItsDrike";
extraGroups = [ "networkmanager" "wheel" ];
packages = with pkgs; [];
};
# Allow unfree packages
nixpkgs.config.allowUnfree = true;
# List packages installed in system profile. To search, run:
# $ nix search wget
environment.systemPackages = with pkgs; [
vim
git
# vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
# wget
];
# Some programs need SUID wrappers, can be configured further or are
# started in user sessions.
# programs.mtr.enable = true;
# programs.gnupg.agent = {
# enable = true;
# enableSSHSupport = true;
# };
# List services that you want to enable:
# Enable the OpenSSH daemon.
# services.openssh.enable = true;
# Open ports in the firewall.
# networking.firewall.allowedTCPPorts = [ ... ];
# networking.firewall.allowedUDPPorts = [ ... ];
# Or disable the firewall altogether.
# networking.firewall.enable = false;
# This value determines the NixOS release from which the default
# settings for stateful data, like file locations and database versions
# on your system were taken. It‘s perfectly fine and recommended to leave
# this value at the release version of the first install of this system.
# Before changing this value read the documentation for this option
# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
system.stateVersion = "23.11"; # Did you read the comment?
nix = {
package = pkgs.nixUnstable;
extraOptions = ''
experimental-features = nix-command flakes
'';
};
}

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{
description = "ItsDrike's NixOS configuration";
inputs = {
# the version here should match your system.stateVersion in configuration.nix
nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
};
outputs = { self, nixpkgs, ...} @ inputs: {
nixosConfigurations = {
nixos = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [ ./configuration.nix ];
};
};
};
}

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guides/installation.md Normal file
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# Installation
This is a full NixOS installation guide, from live cd to a working OS.
Once done, you will be left with a complete system, that uses my configuration.
This installation will push to use flakes out of the box, configuration.nix will
only be needed to add support for flakes and rebuild.
## Live ISO
This assumes you've chosen one of the ISO images with a graphical installer, and
followed though with the installation, getting you to a basic NixOS installation.
During this installation, make sure you allow non-free programs, and in the desktop environment selection, pick the option without any DE, we'll get to install that ourselves.
## Set up configuration.nix
First thing you'll need to do is to make your useer account own the
`/etc/nixos` directory. You'll want to do this to allow you to easily manage
your config with git (which is a requirement when using flakes). You can use
system wide git, however it is much more convenient to just leave it to the
user, as you'll have your git configuration there.
```sh
cd /etc/nixos
sudo chmod -R itsdrike:users .
```
Out of the box, NixOS only comes with `nano` editor, so we'll have to use that to edit the `configuration.nix` for the first time.
```sh
nano configuration.nix
```
In there, change the `environment.systemPackages = with pkgs; [];` like, and include `git` and `vim`.
After that, let's enable flakes, by adding the following at the end of your `configuration.nix` (but still within the function body - before the last `}`):
```nix
nix = {
package = pkgs.nixUnstable;
extraOptions = ''
experimental-features = nix-command flakes
''
};
```
Now you can save the changes and rebuild the system:
```sh
sudo nixos-rebuild switch
```
## Set up flakes
Now, since a git repository is required for flakes, let's set up git:
```sh
git config --global user.email "itsdrike@protonmail.com"
git config --global user.name "ItsDrike"
```
Now we have 2 options, the first one I'll show will set up my configuration
from this repository. Once done, you will have your system set up in the same
way that I do. In the second option, I will go over a basic setup to create
your own flake.
## Set up with my configuration
Finally, we're ready to migrate to flakes. At this point, you can simply pull this repository
to the `/etc/nixos` directory, to get my setup, like so:
```sh
git init
git remote add origin https://github.com/ItsDrike/nixdots
git branch -C main
git pull
```
## Create your own custom flake
Initialize an empty git repository:
```sh
git init
```
Create a very basic `/etc/nixos/flake.nix`:
```sh
{
description = "ItsDrike's NixOS configuration";
inputs = {
# the version here should match your system.stateVersion in configuration.nix
nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
};
outputs = { self, nixpkgs, ...} @ inputs: {
nixosConfigurations = {
nixos = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [ ./configuration.nix ];
};
};
};
}
```
This flake will still rely on your `configuration.nix`, we will eventually get
to a config which does not need this file, but to make starting out with flakes
simple, we'll do it in this way for now.
Let's add things to git!
```sh
git add flake.nix
git add configuration.nix
git add hardware-configuration.nix
```
Now you can run `sudo nixos-rebuild switch`. Yay, you're now using NixOS in flakes mode!
> [!NOTE]
> If you run the `sudo nixos-rebuild switch` command before adding all of these
> files to git, you will get an error, so it really is a requirement to have
> your configuration in a git repository when you're using flakes.
You can notice that this also created a `flake.lock` file, containing the exact
versions of all of the packages you're using. You can (but don't have to) add
this file to git too: `git add flake.lock`.
Let's make a commit:
```sh
git commit -a -m "Initial commit"
```
## Updating
Over time, to update the software that's installed on your machine, you can use
`nix flake update`, to update your `flake.lock` file, and then `nixos-rebuild
switch`, to get switch your system to the new dependencies.
> [!TIP]
> This replaces the legacy (non-flake) regime's command: `nixos-rebuild switch --upgrade`

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# Do not modify this file! It was generated by ‘nixos-generate-config’
# and may be overwritten by future invocations. Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:
{
imports = [ ];
boot.initrd.availableKernelModules = [ "ata_piix" "ohci_pci" "ehci_pci" "ahci" "sd_mod" "sr_mod" ];
boot.initrd.kernelModules = [ ];
boot.kernelModules = [ ];
boot.extraModulePackages = [ ];
fileSystems."/" =
{ device = "/dev/disk/by-uuid/86d578b1-fd70-4f72-918d-44d921fe8a73";
fsType = "btrfs";
options = [ "subvol=@" ];
};
fileSystems."/boot" =
{ device = "/dev/disk/by-uuid/7636-1642";
fsType = "vfat";
};
swapDevices = [ ];
# Enables DHCP on each ethernet and wireless interface. In case of scripted networking
# (the default) this is the recommended approach. When using systemd-networkd it's
# still possible to use this option, but it's recommended to use it in conjunction
# with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
networking.useDHCP = lib.mkDefault true;
# networking.interfaces.enp0s3.useDHCP = lib.mkDefault true;
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
virtualisation.virtualbox.guest.enable = true;
}