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Sylkos's Dotfiles

Overview

Nix Flake which contains configs for most of my more recent systems. Uses modules for high configurability between systems, organization, and encapsulation of configs for a specific program. Optimized so that adding hosts and programs is easy, and it should be enough to add a new file, then rebuild and everything will work. No need to specify any extra imports.

// ## Hosts

TMP Installation

  • clone dots
    • git clone https://github.com/sylk0s/dotfiles
  • Run config/scripts/install.sh for a lvm on luks btrfs install (designed for impermanence)
  • Modify config as is needed
    • sudo nvim /mnt/etc/nixos/hardware-configuration.nix
      • add "compress=zstd" to all btrfs subvols, "noatime" to nix, and neededForBoot = true; to persist, logs, and home
    • sudo rm /mnt/etc/nixos/configuration.nix
    • sudo cp dotfiles/tmp/configuration.nix /mnt/etc/nixos/
    • sudo nvim /mnt/etc/nixos/configuration.nix
      • add the uuid of the disk to the config file's crypt setup
  • cd /mnt
  • sudo nixos-install
  • copy and setup dots. will be easier now with some creature comforts
    • copy uuids, copy hardware-config, write host file
    • disable sops and sops-password #TODO auto
  • reboot into new system
  • impermanence
    • create /persist/home/sylkos (and other users ofc)
    • move in dots
  • rebuild and reboot, ensure everything is where we expect and persists
  • copy gpg key onto system and into gnupg
    • gpg --import public.key
    • gpg --import private.key
    • gpg --edit-key {KEY} trust quit (this is to modify the permission level of the key)
    • gpg --list-keys
  • update sops with passwd
    • get the ssh fingerprint using nix-shell -p ssh-to-age --run "cat /etc/ssh/ssh_host_ed25519_key.pub | ssh-to-age"
    • add to .sops.yaml
    • run nix-shell -p sops --run "sops updatekeys secrets.yaml"
    • re-enable sops
  • rebuild into final system :3

Installation

I typically use the gnome install enviornment, since it's just a bit easier to use than minimal, but either are fine. With the gnome install, I install the minimal environment & partiton accordingly and then clone this repo and run the following command.

# nixos-rebuild switch --install-bootloader --flake .#host-name

Note: the --install-bootloader arg may be omitted in certain cases depending on how you want the system to be setup.

After installation

  • regenerate SSH keys
  • setup folder structure (projects, tools)

Other Quirks

  • VS Code with Wayland has a strange bug (will crash) with the options bar at the top, currently, it's set up to disable that. To access, push tab.

Usage

Adding a Host

This repo is designed to make it super easy to add a host!

  • create a new folder under hosts/
  • copy the hardware config from /etc/nixos/hardware-config.nix
  • make any edits needed
  • Drawing inspiration from hosts/pc/default.nix or hosts/laptop/default.nix create a host config file
    • Typically, I like a space in the hosts file to quickly add programs to a host without the need to create a module
    • This file is where you setup the modules and make any additional configs you want
  • Rebuild into the new host using nixos-rebuild switch --flake .#host-name

Adding a program

This repo is also designed to make it easy to add a program as a module!

  • See table below for where to add programs
  • If it's not a module, just add the program to a list
  • Otherwise, at the appropriate place under modules/ add a new file named module-name.nix and create a module (look to other modules similar for inspiration)

// Places programs are specified

Major Inspiration

  • Hlissner's dotfiles
  • Auyler's dotifles
  • TODO more