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https://github.com/unclechu/nixos-config
My NixOS configuration
https://github.com/unclechu/nixos-config
niv nix nixos nixos-configuration
Last synced: about 1 month ago
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My NixOS configuration
- Host: GitHub
- URL: https://github.com/unclechu/nixos-config
- Owner: unclechu
- License: mit
- Created: 2020-05-19T03:05:15.000Z (over 4 years ago)
- Default Branch: master
- Last Pushed: 2023-12-13T03:37:37.000Z (about 1 year ago)
- Last Synced: 2023-12-13T04:36:17.554Z (about 1 year ago)
- Topics: niv, nix, nixos, nixos-configuration
- Language: Nix
- Homepage:
- Size: 1.21 MB
- Stars: 2
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# My NixOS Configuration
## Usage
This config is designed to be used with own precise `nixos` channel pin.
Not that it wouldn’t work with default `nixos-23.05` channel
but I like to manually update it and to store the precise pin in the repo
in order to be sure my machines are 100% in sync.
In short, to have better reproducibility.
Please see `--help` info from [this script](channels/manage.raku):
``` sh
channels/manage.raku --help
```
In order to fully setup channels you just have to run:
``` sh
channels/manage.raku fetch
channels/manage.raku override
```
*P.S. Mind that the second command (`override`) requires “sudo” access.*
1. Load into [NixOS Live CD](https://nixos.org/download.html)
1. Prepare file system according to a hardware configuration of a machine
(see `hardware` directory, write new one for new hardware)
and mount everything into `/mnt` as the root of the system you’re about to build.
_N.B. Keep in mind that for encrypted `/boot` you need to use LUKS1 instead of LUKS2
because GRUB doesn’t support LUKS2._
1. Clone this repo into `/mnt/etc/nixos` and `cd` to that dir:
``` sh
sudo mkdir /mnt/etc
sudo git clone https://github.com/unclechu/nixos-config.git /mnt/etc/nixos
cd /mnt/etc/nixos
```
1. Fetch and override channels (for your booted NixOS Live CD):
``` sh
channels/manage.raku fetch
channels/manage.raku override
```
1. Link related hardware config as `machine-specific.nix`:
``` sh
sudo ln -s hardware/wenzel-nixos-pc.nix machine-specific.nix
```
Or create a new one if it’s a new machine (you can use `nixos-generate-config` to create one
automatically, see https://nixos.org/manual/nixos/stable/index.html#sec-installation-installing
for details).
1. Install:
``` sh
sudo nixos-install --no-root-passwd --root /mnt
```
1. Change the password in order to be able to login:
``` sh
sudo nixos-enter --root /mnt -c 'passwd wenzel'
```
1. Reboot into the built system:
``` sh
reboot
```
1. After booting to the installed NixOS override channels for it:
``` sh
(cd /etc/nixos && channels/manage.raku override)
```
## Building “audio” system profile
An alternative configuration optimized for real-time audio processing.
It’s built as a separate system profile so that the default configuration is available as usual but
you can boot to one for audio processing when you need it.
You can use [build-audio-profile.sh](build-audio-profile.sh) script to build that configuration as a
separate profile. If you provide either `boot` or `switch` subcommand argument it will also build
the regular default profile using `boot` subcommand for `nixos-rebuild` so that the default profile
boots by default and “audio” profile is available as an option.
``` sh
./build-audio-profile.sh boot
```
Or (in case you are already booted to the “audio” system profile):
``` sh
./build-audio-profile.sh switch
```
## How to manage external dependencies
Apart from general “nixos” and “nixos-unstable” channels some another external dependencies
(such as [Home Manager] and my own [nix-utils]) are managed using [niv] tool.
Those dependencies are described in [nix/sources.json].
You don’t need [niv] to install the dependencies, only to update them, remove or add a new one
(but you also can as well manually edit that [nix/sources.json] file).
*N.B. “nixos” channel can’t be managed by [niv] in a NixOS configuration because it’s imported even
before `configuration.nix` is called. `configuration.nix` is called with `pkgs` argument which is
imported already. Also all the root system dependencies are provided by that channel.*
## Author
[Viacheslav Lotsmanov](mailto:[email protected])
## License
[MIT] — For the code of this repository.
Some third-party dependencies may have different licenses.
[MIT]: LICENSE
[Home Manager]: https://github.com/nix-community/home-manager
[nix-utils]: https://github.com/unclechu/nix-utils
[niv]: https://github.com/nmattia/niv#readme
[nix/sources.json]: nix/sources.json