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# Nix
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The grand unification of configuration.
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## Not on NixOS?
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Install Nix using Determinate Systems's installer:
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```bash
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curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install
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```
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And [install Home Manager in standalone mode](https://nix-community.github.io/home-manager/index.html#sec-install-standalone):
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# NixOS
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```bash
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nixos-rebuild --flake git+https://git.lyte.dev/lytedev/nix switch
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```
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## Remotely
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```bash
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nixos-rebuild --flake git+https://git.lyte.dev/lytedev/nix#host \
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--target-host root@host --build-host root@host \
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switch
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```
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# Home Manager
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This can be used on non-NixOS hosts:
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2023-09-05 10:33:20 -05:00
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```bash
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home-manager switch --flake .#daniel
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```
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2023-09-06 00:14:34 -05:00
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## Remotely
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```bash
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ssh daniel@host 'home-manager switch --flake git+https://git.lyte.dev/lytedev/nix#daniel'
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```
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# Provisioning New NixOS Hosts
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Documented below is my process for standing up a new NixOS node configured and
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managed by this flake from scratch.
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## Network Access
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Boot a NixOS ISO and establish network access:
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```bash
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# plug in ethernet or do the wpa_cli song and dance for wifi access
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wpa_cli scan # if you need to
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wpa_cli scan_results
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wpa_cli add_network 0
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wpa_cli set_network 0 ssid "MY_SSID"
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wpa_cli set_network 0 psk "MY_WIFI_PASSWORD"
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wpa_cli enable_network 0
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wpa_cli save_config
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```
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Partition disk(s) and mount up however you like. Preferably, though, use a
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[disko configuration](./disko.nix) from this flake like so:
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```bash
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# TODO: I'm relatively certain this can be simplified to a single `nix run` command
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sudo nix-shell --packages git --run "nix run \
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--extra-experimental-features nix-command \
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--extra-experimental-features flakes \
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github:nix-community/disko -- \
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--flake 'git+https://git.lyte.dev/lytedev/nix#standard' \
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--mode disko \
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--arg disks '[ \"/dev/your_disk\" ]'"
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```
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2023-09-18 09:02:00 -05:00
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And finally install NixOS (optionally using my cache) as specified by this flake:
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```bash
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nix-shell --packages git \
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--run "sudo nixos-install \
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--flake 'git+https://git.lyte.dev/lytedev/nix#yourNixosConfig' \
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--option substituters 'https://nix.h.lyte.dev' \
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--option trusted-public-keys 'h.lyte.dev:HeVWtne31ZG8iMf+c15VY3/Mky/4ufXlfTpT8+4Xbs0='"
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```
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**NOTE**: This takes a while, mostly due to building Helix myself on each box. I
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really need to figure out a good local caching setup.
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2023-09-06 00:14:34 -05:00
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**NOTE**: since the disko setup _should_ be included in the nixosConfiguration,
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I would like to know how to do this all in one go -- maybe even building my own
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live media?
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# Other To Dos
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2023-09-06 00:57:08 -05:00
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- Port configuration (lytedev/dotfiles) to home manager where applicable?
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2023-09-06 01:23:08 -05:00
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- Sway, Kitty, and Helix, come to mind
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- Pre-commit checks with `nix flake check`?
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