Flake Readme

• My NixOS Configuraton File
  • Current Desktop Screenshots:
    • Gnome
  • Emacs
  • Highlights:
    • Multiple NixOS configurations: desktop, laptop, and hopefully a test server and eventually a full transition over from my Ubuntu server.
  • How to:
    • Maintenance
    • Sources
      • Nix Flakes: [https://nixos.wiki/wiki/Flakes]
      • home-manager: [https://github.com/nix-community/home-manager]
        • Home Manager as a NixOS Module: [https://nix-community.github.io/home-manager/index.html#sec-flakes-nixos-module]
  • Structure
  • Hosts
    • cLAN.lol meta.name = fosite

My NixOS Configuraton File

This is my NixOS setup to manage multiple computers with a home-manager config structure using nix flakes.

Current Desktop Screenshots:

Gnome

Emacs

Highlights:

Multiple NixOS configurations: desktop, laptop, and hopefully a test server and eventually a full transition over from my Ubuntu server.

How to:

1. NixOS Installation

   1. Install NixOS on a computer using the default Gnome installer from [https://nixos.org/download.html].
   2. Clone this repository [https://git.disroot.org/zonsopkomst] in the `/home/<username>/ directory.

   3. Update `hosts`.

      1. Create the host in `flake.nix` similar to one of the preexisting ones.

      2. Copy the `configuration.nix` and `hardware-configuration.nix` files from the `/etc/nixos` directory and move them to `hosts/<NEW_PC_NAME>/`.

         1. Link imports to `<common>.nix` shared files for things like bluetooth, systemd, and time (shared common resources).
      3. Make certain that the correct version of `NixOS` and `homemanager` are listed in both `configuration.nix` and `home.nix`.
      4. Declare packages either globally under `/hosts/<hostname>/configuration.nix` or for the user(s) under the `homemanager` sections.

   4. Rebuild NixOS

      1. `cd flake`

      2. `nix –experimental-features 'nix-command flakes' flake update`

         1. NOTE: 2 dashes in front of experimental, in case `git` makes it a long dash.

      3. `nixos-rebuild switch –flake .#<hostname>`

         1. (<hostname> must be include the first time rebuilding, after the first rebuild, .# can be used and the system will know which hostname is to be used)
         2. NOTE: 2 dashes in front of flake, in case `git` makes it a long dash.
   5. Make sure to update `git` with all changes

Maintenance

1. See `/config/.bashrc` for `alias`: `flkup` using `sudo nixos-rebuild switch –flake .#<hostname>` commands and other useful items

Sources

Nix Flakes: [https://nixos.wiki/wiki/Flakes]

home-manager: [https://github.com/nix-community/home-manager]

Home Manager as a NixOS Module: [https://nix-community.github.io/home-manager/index.html#sec-flakes-nixos-module]

Structure

Directory	What is it for?
common	Shared configurations and modules
config	Config files that are managed by NixOS
desktop	Shared desktop configs
display	Login Display managers
hosts	The PCs deployed
reference	Package list, git assets, notes, etc.
flake.nix & flake.lock	Declared configuration using the above directories & configs

Hosts

cLAN.lol meta.name = fosite

Hostname	Model	Type	RAM	Processor	Main Use
weda	Dell Inspiron 15	Laptop	16GB	AMD Ryzen 5 (Cezanne)	Business
frija	Acer Aspire 3	Laptop	4GB	AMD A9	Testing
tyr	Intel i5	Desktop	16GB	Intel i5	Media
tii	Dell Lattitude 5511	Laptop	16GB	Intel i5 Quad (i5-10400H)	Remote
tuisto	AMD Ryzen 5	Desktop	16GB	AMD Ryzen 5 (Renoir)	Remote
sintanne	Intel i5	Desktop	16GB	Intel i5-11320H	Remote
thuner	AMD Ryzen 5	Server	??GB	AMD 2200G	Test Server
frijheid	AMD Ryzen 5	Server	16GB	AMD 2200G	Main Server