.github/workflows/cachix.yaml

@@ -78,7 +78,7 @@ jobs:
         - boreal
         - hades
         - hephaestus
-        - thanatos
+        - poseidon
 
     steps:
     - uses: actions/checkout@v4

flake.lock

@@ -41,25 +41,6 @@
         "type": "github"
       }
     },
-    "disko": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_2"
-      },
-      "locked": {
-        "lastModified": 1702479765,
-        "narHash": "sha256-wjNYsFhciYoJkZ/FBKvFj55k+vkLbu6C2qYQ7K+s8pI=",
-        "owner": "nix-community",
-        "repo": "disko",
-        "rev": "bd8fbc3f274288ac905bcea66bc2a5428abde458",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "ref": "master",
-        "repo": "disko",
-        "type": "github"
-      }
-    },
     "flake-utils": {
       "locked": {
         "lastModified": 1653893745,
@@ -146,22 +127,6 @@
       }
     },
     "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1697915759,
-        "narHash": "sha256-WyMj5jGcecD+KC8gEs+wFth1J1wjisZf8kVZH13f1Zo=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "51d906d2341c9e866e48c2efcaac0f2d70bfd43e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
       "locked": {
         "lastModified": 1701952659,
         "narHash": "sha256-TJv2srXt6fYPUjxgLAL0cy4nuf1OZD4KuA1TrCiQqg0=",
@@ -180,11 +145,10 @@
     "root": {
       "inputs": {
         "agenix": "agenix",
-        "disko": "disko",
         "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs_2",
         "nixpkgs-unstable-small": "nixpkgs-unstable-small"
       }
     }

flake.nix

@@ -42,13 +42,6 @@
       repo = "nixos-hardware";
       ref = "master";
     };
-
-    disko = {
-      type = "github";
-      owner = "nix-community";
-      repo = "disko";
-      ref = "master";
-    };
   };
 
   outputs = {
@@ -56,7 +49,6 @@
     nixpkgs,
     home-manager,
     agenix,
-    disko,
     ...
   } @ inputs:
     {
@@ -113,6 +105,15 @@
           ]
           ++ (nixpkgs.lib.attrValues self.nixosModules);
       in {
+        poseidon = nixpkgs.lib.nixosSystem rec {
+          inherit system;
+          modules =
+            [
+              ./poseidon.nix
+            ]
+            ++ sharedModules;
+        };
+
         hades = nixpkgs.lib.nixosSystem rec {
           inherit system;
           modules =
@@ -142,6 +143,19 @@
             ++ sharedModules;
         };
 
+        zephyrus = nixpkgs.lib.nixosSystem rec {
+          inherit system;
+          modules =
+            [
+              ./zephyrus.nix
+
+              inputs.nixos-hardware.nixosModules.common-cpu-intel
+              inputs.nixos-hardware.nixosModules.common-pc-laptop
+              inputs.nixos-hardware.nixosModules.common-pc-ssd
+            ]
+            ++ sharedModules;
+        };
+
         hephaestus = nixpkgs.lib.nixosSystem rec {
           inherit system;
           modules =
@@ -155,16 +169,6 @@
             ]
             ++ sharedModules;
         };
-
-        thanatos = nixpkgs.lib.nixosSystem {
-          inherit system;
-          modules =
-            [
-              disko.nixosModules.default
-              ./thanatos.nix
-            ]
-            ++ sharedModules;
-        };
       };
     }
     // inputs.flake-utils.lib.eachDefaultSystem (system: {

hosts/poseidon/default.nix

@@ -0,0 +1,84 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  secrets = config.my.secrets;
+in {
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+
+    ./home.nix
+    ./secrets.nix
+  ];
+
+  # Use the GRUB 2 boot loader.
+  boot.loader.grub.enable = true;
+  boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
+
+  boot.supportedFilesystems = ["btrfs"];
+
+  services.btrfs = {
+    autoScrub = {
+      enable = true;
+      fileSystems = ["/"];
+    };
+  };
+
+  networking.hostName = "poseidon"; # Define your hostname.
+  networking.domain = "alarsyo.net";
+
+  # Set your time zone.
+  time.timeZone = "Europe/Paris";
+
+  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
+  # Per-interface useDHCP will be mandatory in the future, so this generated config
+  # replicates the default behaviour.
+  networking.useDHCP = false;
+  networking.interfaces.eno1.ipv4.addresses = [
+    {
+      address = "163.172.11.110";
+      prefixLength = 24;
+    }
+  ];
+  networking.defaultGateway = {
+    address = "163.172.11.1";
+    interface = "eno1";
+  };
+  networking.nameservers = [
+    "62.210.16.6"
+    "62.210.16.7"
+  ];
+  my.networking.externalInterface = "eno1";
+
+  my.services = {
+    restic-backup = {
+      enable = true;
+      repo = "b2:poseidon-backup";
+      passwordFile = config.age.secrets."restic-backup/poseidon-password".path;
+      environmentFile = config.age.secrets."restic-backup/poseidon-credentials".path;
+    };
+
+    fail2ban = {
+      enable = true;
+    };
+
+    tailscale = {
+      enable = true;
+      exitNode = true;
+    };
+  };
+
+  services = {
+    openssh.enable = true;
+    vnstat.enable = true;
+  };
+
+  # Takes a long while to build
+  documentation.nixos.enable = false;
+}

hosts/poseidon/hardware-configuration.nix

@@ -0,0 +1,45 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: let
+  inherit
+    (lib)
+    mkDefault
+    ;
+in {
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = ["ahci" "usbhid"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-intel"];
+  boot.extraModulePackages = [];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/adcf0158-edfb-402f-82e7-61e4902af989";
+    fsType = "btrfs";
+    options = [
+      "subvol=@nixos"
+      "compress=zstd"
+      "noatime"
+    ];
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/ff54b622-0e26-4c6e-aa0c-ac2c1e12699a";
+    fsType = "ext4";
+  };
+
+  swapDevices = [
+    {device = "/dev/disk/by-uuid/381a9c5e-4d71-45b4-ac62-e7414b3768fc";}
+  ];
+
+  powerManagement.cpuFreqGovernor = mkDefault "ondemand";
+}

hosts/poseidon/secrets.nix

@@ -0,0 +1,27 @@
+{
+  config,
+  lib,
+  options,
+  ...
+}: {
+  config.age = {
+    secrets = let
+      toSecret = name: {...} @ attrs:
+        {
+          file = ./../../modules/secrets + "/${name}.age";
+        }
+        // attrs;
+    in
+      lib.mapAttrs toSecret {
+        "gandi/api-key" = {};
+
+        "lohr/shared-secret" = {};
+
+        "restic-backup/poseidon-credentials" = {};
+        "restic-backup/poseidon-password" = {};
+
+        "users/alarsyo-hashed-password" = {};
+        "users/root-hashed-password" = {};
+      };
+  };
+}

hosts/thanatos/default.nix

@@ -1,43 +0,0 @@
-# Edit this configuration file to define what should be installed on
-# your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running ‘nixos-help’).
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}: let
-  secrets = config.my.secrets;
-in {
-  imports = [
-    # Include the results of the hardware scan.
-    ./hardware-configuration.nix
-    ./disko-configuration.nix
-    ./home.nix
-    ./secrets.nix
-  ];
-
-  boot.loader.grub.enable = true;
-  boot.tmp.useTmpfs = true;
-
-  networking.hostName = "thanatos"; # Define your hostname.
-  networking.domain = "lrde.epita.fr";
-
-  # Set your time zone.
-  time.timeZone = "Europe/Paris";
-
-  # List services that you want to enable:
-  my.services = {
-    tailscale.enable = true;
-  };
-
-  services = {
-    openssh.enable = true;
-  };
-
-  virtualisation.docker.enable = true;
-
-  environment.systemPackages = with pkgs; [
-    docker-compose
-  ];
-}

hosts/thanatos/disko-configuration.nix

@@ -1,52 +0,0 @@
-{
-  disko.devices = {
-    disk = {
-      main = {
-        type = "disk";
-        device = "/dev/disk/by-id/ata-CT250MX500SSD1_2301E69A20C4";
-        content = {
-          type = "gpt";
-          partitions = {
-            boot = {
-              size = "1M";
-              type = "EF02"; # for grub MBR
-            };
-            ESP = {
-              size = "512M";
-              type = "EF00";
-              content = {
-                type = "filesystem";
-                format = "vfat";
-                mountpoint = "/boot";
-              };
-            };
-            root = {
-              size = "100%";
-              content = {
-                type = "btrfs";
-                subvolumes = {
-                  "/root" = {
-                    mountpoint = "/";
-                    mountOptions = [ "compress=zstd" "noatime" ];
-                  };
-                  "/home" = {
-                    mountpoint = "/home";
-                    mountOptions = [ "compress=zstd" "noatime" ];
-                  };
-                  "/nix" = {
-                    mountpoint = "/nix";
-                    mountOptions = [ "compress=zstd" "noatime" ];
-                  };
-                  "/swap" = {
-                    mountpoint = "/.swapvol";
-                    swap.swapfile.size = "8G";
-                  };
-                };
-              };
-            };
-          };
-        };
-      };
-    };
-  };
-}

hosts/thanatos/hardware-configuration.nix

@@ -1,25 +0,0 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
-  imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usb_storage" "sd_mod" "sr_mod" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-}

hosts/zephyrus/default.nix

@@ -0,0 +1,112 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+    ./home.nix
+    ./secrets.nix
+  ];
+
+  boot.kernelPackages = pkgs.linuxPackages;
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  boot.tmp.useTmpfs = true;
+
+  services.btrfs = {
+    autoScrub = {
+      enable = true;
+      fileSystems = ["/"];
+    };
+  };
+
+  networking.hostName = "zephyrus"; # Define your hostname.
+  networking.domain = "alarsyo.net";
+
+  # Set your time zone.
+  time.timeZone = "Europe/Paris";
+
+  # List services that you want to enable:
+  my.services = {
+    tailscale.enable = true;
+
+    pipewire.enable = true;
+
+    restic-backup = {
+      enable = true;
+      repo = "b2:zephyrus-backup";
+      passwordFile = config.age.secrets."restic-backup/zephyrus-password".path;
+      environmentFile = config.age.secrets."restic-backup/zephyrus-credentials".path;
+
+      timerConfig = {
+        OnCalendar = "*-*-* 13:00:00"; # laptop only gets used during the day
+      };
+
+      paths = [
+        "/home/alarsyo"
+      ];
+      exclude = [
+        "/home/alarsyo/Downloads"
+
+        # Rust builds using half my storage capacity
+        "/home/alarsyo/**/target"
+        "/home/alarsyo/work/rust/build"
+
+        # don't backup nixpkgs
+        "/home/alarsyo/work/nixpkgs"
+
+        "/home/alarsyo/go"
+
+        # C build crap
+        "*.a"
+        "*.o"
+        "*.so"
+
+        # test vms
+        "*.qcow2"
+
+        # secrets stay offline
+        "/home/alarsyo/**/secrets"
+
+        # ignore all dotfiles as .config and .cache can become quite big
+        "/home/alarsyo/.*"
+      ];
+    };
+  };
+
+  virtualisation.docker.enable = true;
+  virtualisation.libvirtd.enable = true;
+  programs.dconf.enable = true;
+
+  services = {
+    tlp = {
+      settings = {
+        START_CHARGE_THRESH_BAT0 = 70;
+        STOP_CHARGE_THRESH_BAT0 = 80;
+      };
+    };
+    fwupd.enable = true;
+    openssh.enable = true;
+  };
+  my.gui.enable = true;
+
+  services.udev.packages = [pkgs.chrysalis];
+  services.udisks2.enable = true;
+
+  hardware.bluetooth = {
+    enable = true;
+    powerOnBoot = false;
+    settings.General.Experimental = true;
+  };
+
+  programs.light.enable = true;
+}

hosts/zephyrus/hardware-configuration.nix

@@ -0,0 +1,70 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: let
+  inherit
+    (lib)
+    mkDefault
+    ;
+in {
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = ["xhci_pci" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-intel"];
+  boot.extraModulePackages = [];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/6395cef1-c30b-450a-917c-cfb3c0380642";
+    fsType = "btrfs";
+    options = ["subvol=@" "compress=zstd" "noatime"];
+  };
+
+  boot.initrd.luks.devices."cryptroot".device = "/dev/disk/by-uuid/c59e7067-e33c-474c-9b8e-96d0e8f59297";
+
+  fileSystems."/home" = {
+    device = "/dev/disk/by-uuid/6395cef1-c30b-450a-917c-cfb3c0380642";
+    fsType = "btrfs";
+    options = ["subvol=@home" "compress=zstd" "noatime"];
+    neededForBoot = true; # agenix needs my key for some root secrets
+  };
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/6395cef1-c30b-450a-917c-cfb3c0380642";
+    fsType = "btrfs";
+    options = ["subvol=@nix" "compress=zstd" "noatime"];
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/D9DA-F46C";
+    fsType = "vfat";
+  };
+
+  fileSystems."/swap" = {
+    device = "/dev/disk/by-uuid/6395cef1-c30b-450a-917c-cfb3c0380642";
+    fsType = "btrfs";
+    options = ["subvol=@swap" "compress=zstd" "noatime"];
+  };
+
+  swapDevices = [
+    {
+      device = "/swap/swapfile";
+      size = 1024 * 8; # half of RAM size
+    }
+  ];
+
+  powerManagement.cpuFreqGovernor = mkDefault "powersave";
+
+  hardware = {
+    enableRedistributableFirmware = true;
+    cpu.intel.updateMicrocode = true;
+  };
+}

hosts/zephyrus/home.nix

@@ -0,0 +1,39 @@
+{
+  config,
+  pkgs,
+  ...
+}: {
+  home-manager.users.alarsyo = {
+    my.home.laptop.enable = true;
+
+    # Keyboard settings & i3 settings
+    my.home.x.enable = true;
+    my.home.x.i3bar.temperature.chip = "coretemp-isa-*";
+    my.home.x.i3bar.temperature.inputs = ["Core 0" "Core 1" "Core 2" "Core 3"];
+    my.home.x.i3bar.networking.throughput_interfaces = ["enp0s31f6" "wlp0s20f3" "enp43s0u1u1"];
+    my.home.emacs.enable = true;
+
+    my.theme = config.home-manager.users.alarsyo.my.themes.solarizedLight;
+
+    home.packages = builtins.attrValues {
+      inherit
+        (pkgs)
+        # some websites only work there :(
+        
+        chromium
+        darktable
+        # dev
+        
+        rustup
+        gdb
+        valgrind
+        arandr
+        zotero
+        ;
+
+      inherit (pkgs.packages) spot;
+
+      inherit (pkgs.wineWowPackages) stable;
+    };
+  };
+}

hosts/zephyrus/secrets.nix

@@ -13,6 +13,9 @@
         // attrs;
     in
       lib.mapAttrs toSecret {
+        "restic-backup/zephyrus-credentials" = {};
+        "restic-backup/zephyrus-password" = {};
+
         "users/alarsyo-hashed-password" = {};
         "users/root-hashed-password" = {};
       };

modules/secrets/secrets.nix

@@ -5,13 +5,14 @@ let
   boreal = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAagal1aqZh52wEmgsw7fkCzO41o4Cx+nV4wJGZuX1RP root@boreal";
   hades = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMxw8CtKUPAiPdKDEnuS7UyRrZN5BkUwsy5UPVF8V+lt root@hades";
   hephaestus = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA7Cp+n5+huof68QlAoJV8bVf5h5p9kEZFAVpltWopdL root@hephaestus";
-  thanatos = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAID8JEAWk/8iSl8fN6/f76JkmVFwtyixTpLol4zSVsnVw root@thanatos";
+  poseidon = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKYhZYMbWQG9TSQ2qze8GgFo2XrZzgu/GuSOGwenByJo root@poseidon";
+  zephyrus = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILU4JfIADH9MXUnVe+3ezYK9WXsqy/jJcm1zFkmL4aSU root@zephyrus";
 
-  machines = [boreal hades hephaestus thanatos];
+  machines = [boreal hades hephaestus poseidon zephyrus];
 
   all = users ++ machines;
 in {
-  "gandi/api-key.age".publicKeys = [alarsyo hades];
+  "gandi/api-key.age".publicKeys = [alarsyo hades poseidon];
 
   "lohr/shared-secret.age".publicKeys = [alarsyo hades];
 
@@ -34,7 +35,11 @@ in {
   "restic-backup/hades-credentials.age".publicKeys = [alarsyo hades];
   "restic-backup/hephaestus-password.age".publicKeys = [alarsyo hephaestus];
   "restic-backup/hephaestus-credentials.age".publicKeys = [alarsyo hephaestus];
+  "restic-backup/poseidon-password.age".publicKeys = [alarsyo poseidon];
+  "restic-backup/poseidon-credentials.age".publicKeys = [alarsyo poseidon];
+  "restic-backup/zephyrus-password.age".publicKeys = [alarsyo zephyrus];
+  "restic-backup/zephyrus-credentials.age".publicKeys = [alarsyo zephyrus];
 
-  "users/root-hashed-password.age".publicKeys = machines ++ [alarsyo];
+  "users/root-hashed-password.age".publicKeys = machines;
   "users/alarsyo-hashed-password.age".publicKeys = machines ++ [alarsyo];
 }

modules/secrets/users/alarsyo-hashed-password.age

@@ -1,16 +1,17 @@
 age-encryption.org/v1
--> ssh-ed25519 YWMQkg nA65XHF5xsaW5JPGfWYLDtCq0DQQpN6FBbbnDKL23BY
-JyzLfx9QXRV4jXQWvsXMEO7Y9Maf6VAQZU0QiEyA0rs
--> ssh-ed25519 pX8y2g 0AuwR4Dv6bulcow+LOd6XsF/U+Ly8fQDIuHcksijCk4
-TXyxasso2OmK8RswWOk6oP7+q6iS2WTwYsy0CF07gtc
--> ssh-ed25519 SYm+hA coVEtWHcu5Zc17TuVLTzWe7RiXjJ53wjjRfLidwjUgg
-fx5hl1hPiRxQLHIN2mrvB9tc+xMTwqHM1DXZY75s/MA
--> ssh-ed25519 6UUuZw 2bfWgdMEj+POlLejgzl3GZN1M3xt5Qoif9M2BwGV4QA
-9pLL7KegernUFqbNklKDho5IRgw9VVZGaphgmcfnohQ
--> ssh-ed25519 k2gHjw yxVoANLjqXRU97oymWtIEr4ZQ9OVvlRsC2Y2jsvkJWY
-Q37kBzgMyWkpcLO/3FFMtmDO16/17+i57DmALUDL/kE
--> >)/-grease VfMC'D<: eQJ #XT
-OcrPfgaTtzKItA7HfjeBUc68U7ol1sewRCFKg0iAeSVT1jiv3/O7hkz5MbMAsuoi
-D8hkNjdXn3TDBVc1OcIS2iX5xOdpvP3ePs6TgX9H
---- mAY7j62sU6rXvZu84PkvkMqZ5M139fV/RlJidRYCo9Q
-þXÑb;\hJù	Ô#ÖȾ§>3Pzý˜QÈèÏÖ{¿Jž 
ÒXÝe²ë3Q!ó¥¸5Å$ü»€|MÆD;Kú³Z”S.»¸ëXè<58>S?­À œÐ·1j)«¬H[ËhkÆ«­©¤¶|g=
+-> ssh-ed25519 YWMQkg edb6vOJgAg7qUtsk3wot1lDT0guqrhkVO4q647At/Xo
+XlX07p/2byuBzWeR3khI/B255/4IwjiWEiOEgO6Jmzo
+-> ssh-ed25519 pX8y2g yn4fQ1E54ReKViSKMjyIQWfbHlqwXmAn225hRUt2sVU
+OVciEEE58TS7gkJV2kS75hL0z+mzn/I9cFYZQ9m4fCg
+-> ssh-ed25519 SYm+hA 3hLgW/LWQ6ilt1hYdHsA6M4YvSkrQauES77Mk0elkG4
+41l9uzYv/6raDNSBGrbH7hULv0cYFY65SlhpuSburHs
+-> ssh-ed25519 z6Eu8Q GE324833mb5ff9C+TN3SqazvwW0ZZiqBb56cs8bKjho
+8Aogd9tN2sN8DSmKJUfuCifiRMKpD7Cn6CLLazQ2qjk
+-> ssh-ed25519 ZQuVNA 2plMxBUBbv3ScEdXBnkvtt/qlP+dG/8+O8gHBChL8lI
+1GpPm9oFARwDQfTT25isUZlGKn6BaanIQoiLDzlxzww
+-> ssh-ed25519 k2gHjw JlNEYLQixP7LEb0FJu5O54pu1B72WWsml5ELNcFESEc
+r8QUuLhEEFyst0JeWd1jahkrcMV/b9KGHj8PSZUZJ10
+-> _a@Yy?HU-grease /wJ2a` WIyE6 ewMVR h,D)T
+wAOK28XvNSpz
+--- hlIXSQ9X6OM5/uPv+3PMfkuIfiKWpkbdWNHed+q/Hr8
+{gh1ÕßÃ…±ž\Py<50>ðЯ@s™ªý¹H„§q8—JxèÔw<žüç¿•k»öÕVħ©
T‹†¿“¥õ¬<C3B5>…<EFBFBD> <EFBFBD>(«”N¼ô.;™/)ÞD¯Wz{uÞNlÆ%±ávöÞ†50K0ÂóÍ©n”n±8°ï£\kJ¬OüCª7oáÙ‹4ÿcÑ—

poseidon.nix

@@ -10,7 +10,7 @@
     ./services
 
     # Host-specific config
-    ./hosts/thanatos
+    ./hosts/poseidon
   ];
 
   # This value determines the NixOS release from which the default
@@ -19,5 +19,5 @@
   # this value at the release version of the first install of this system.
   # Before changing this value read the documentation for this option
   # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "23.11"; # Did you read the comment?
+  system.stateVersion = "20.09"; # Did you read the comment?
 }

zephyrus.nix

@@ -0,0 +1,23 @@
+{...}: {
+  imports = [
+    # Default configuration
+    ./base
+
+    # Module definitions
+    ./modules
+
+    # Service definitions
+    ./services
+
+    # Host-specific config
+    ./hosts/zephyrus
+  ];
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "21.05"; # Did you read the comment?
+}