nix-git/README.md

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# NixOS
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* There is controversy about flakes, rather use channels (e.g. with niv)
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## Build and Switch
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* https://nixos.wiki/wiki/Nixos-rebuild
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Directly change to new config, make it default:
```shell
sudo nixos-rebuild -I nixos-config=yodaTux/configuration.nix switch
```
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## Install Home Manager with niv
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> Easy dependency management for Nix projects.
>
> Nix is a very powerful tool for building code and setting up environments. niv complements it by making it easy to
> describe and update remote dependencies (URLs, GitHub repos, etc). It is a simple, practical alternative to Nix flakes.
>
> https://github.com/nmattia/niv
> [Home Manager] allows declarative configuration of user specific (non global) packages and dotfiles.
>
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> To avoid breaking users' configurations, Home Manager is released in branches corresponding to NixOS releases (
> e.g. `release-23.05`).
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>
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> Home Manager provides both the channel-based setup and the flake-based one.
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>
> https://github.com/nix-community/home-manager
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Check your channel:
```shell
sudo nix-channel --list
#=> nixos https://nixos.org/channels/nixos-23.05
```
Use the corresponding branch:
```shell
niv add nix-community/home-manager -n home-manager -b release-23.05
```
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## disko and nixos-anywhere
* Introductive presentation: https://pad.lassul.us/cccamp-workshop
* disko: https://github.com/nix-community/disko
* nixos-anywhere: https://github.com/numtide/nixos-anywhere/
**TODO**
## General Notes
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### Nix Pills
* https://nixos.org/guides/nix-pills/pr01
It provides a tutorial introduction into the Nix package manager and Nixpkgs package collection, in the form of short
chapters called 'pills'.
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### Thesis
There are two (?) theses about Nix. One is https://edolstra.github.io/pubs/phd-thesis.pdf
### Search for packages
* https://search.nixos.org/packages?channel=23.05
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### Search for options
* https://search.nixos.org/options?channel=23.05
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* Or `man configuration.nix`
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* https://mipmip.github.io/home-manager-option-search
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* Or `man home-configuration.nix`
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## TODOS
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* FDE remote SSH unlock: https://nixos.wiki/wiki/Remote_LUKS_Unlocking
## Automount Encrypted Drive
* Generate and add keyfile to LUKS device
* luksOpen and mount drive, e.g. to `/mnt/data1`
* Re-generate hardware configuration:
```shell
sudo nixos-generate-config --dir yodaTux
```