komikan

hosts/komikan/config.nix

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+{...}: {
+  services.openssh = {
+    enable = true;
+    authorizedKeysFiles = ["%h/.local/ssh/authorized_keys"];
+    settings = {
+      PasswordAuthentication = false;
+      PermitRootLogin = "no";
+    };
+  };
+  services.samba = {
+    enable = true;
+    openFirewall = true;
+    settings = {
+      global = {
+        "workgroup" = "WORKGROUP";
+        "server string" = "komikan";
+        "netbios name" = "komikan";
+        "security" = "user";
+        "use sendfile" = "yes";
+        "hosts allow" = "192.168.0. 127.0.0.1 localhost 100.64.";
+        "hosts deny" = "0.0.0.0/0";
+      };
+      pool = {
+        "path" = "/mnt/pool";
+        "browseable" = "no";
+        "read only" = "no";
+        "guest ok" = "no";
+        "create mask" = "0644";
+        "directory mask" = "0755";
+        "force user" = "ahnwuoa";
+        "force group" = "users";
+      };
+    };
+  };
+  services.tailscale.enable = true;
+  services.qemuGuest.enable = true;
+}

hosts/komikan/default.nix

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+{
+  pkgs,
+  inputs,
+  ...
+}: {
+  imports = [
+    ../../system
+    ./hardware-configuration.nix
+    ./disk.nix
+    ./config.nix
+    inputs.disko.nixosModules.disko
+  ];
+
+  environment.systemPackages = [pkgs.hd-idle];
+  networking.hostName = "komikan";
+  time.timeZone = "America/New_York";
+  users.users.ahnwuoa = {
+    isNormalUser = true;
+    extraGroups = ["wheel"];
+  };
+  u.has = {
+    graphical = false;
+    wine = false;
+    virt = false;
+    container = false;
+  };
+  boot.loader.grub = {
+    useOSProber = false;
+    efiSupport = false;
+  };
+  systemd.services.hd-idle = {
+    description = "Disk spin down daemon";
+    wantedBy = ["multi-user.target"];
+    serviceConfig = {
+      ExecStart = "${pkgs.hd-idle}/bin/hd-idle";
+    };
+  };
+  boot.loader.efi.canTouchEfiVariables = false;
+}

hosts/komikan/disk.nix

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+{pkgs, ...}: {
+  disko.devices.disk = {
+    main = {
+      device = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0";
+      type = "disk";
+      content = {
+        type = "gpt";
+        partitions = {
+          boot = {
+            size = "1M";
+            type = "EF02"; # for grub MBR
+          };
+          root = {
+            size = "100%";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/";
+            };
+          };
+        };
+      };
+    };
+    disk1 = {
+      device = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi1";
+      type = "disk";
+      content = {
+        type = "gpt";
+        partitions.luks = {
+          size = "100%";
+          content = {
+            type = "luks";
+            name = "disk1";
+            passwordFile = "/tmp/pass.key";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/mnt/disk1";
+            };
+          };
+        };
+      };
+    };
+    disk2 = {
+      device = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi2";
+      type = "disk";
+      content = {
+        type = "gpt";
+        partitions.luks = {
+          size = "100%";
+          content = {
+            type = "luks";
+            name = "disk2";
+            passwordFile = "/tmp/pass.key";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/mnt/disk2";
+            };
+          };
+        };
+      };
+    };
+    disk3 = {
+      device = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi3";
+      type = "disk";
+      content = {
+        type = "gpt";
+        partitions.luks = {
+          size = "100%";
+          content = {
+            type = "luks";
+            name = "disk3";
+            passwordFile = "/tmp/pass.key";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/mnt/disk3";
+            };
+          };
+        };
+      };
+    };
+    parity = {
+      device = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi4";
+      type = "disk";
+      content = {
+        type = "gpt";
+        partitions.luks = {
+          size = "100%";
+          content = {
+            type = "luks";
+            name = "parity";
+            passwordFile = "/tmp/pass.key";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/mnt/parity";
+            };
+          };
+        };
+      };
+    };
+  };
+  environment.systemPackages = [
+    pkgs.mergerfs
+    pkgs.snapraid
+  ];
+  fileSystems."/mnt/pool" = {
+    fsType = "fuse.mergerfs";
+    device = "/mnt/disk*";
+    options = [
+      "cache.files=off"
+      "dropcacheonclose=true"
+      "category.create=eplus"
+    ];
+  };
+  environment.etc."snapraid.conf".text = ''
+    parity /mnt/parity/snapraid.parity
+    content /var/snapraid.content
+    content /mnt/disk1/general/snapraid.content
+    content /mnt/disk2/general/snapraid.content
+    content /mnt/disk3/general/snapraid.content
+    data d1 /mnt/disk1/
+    data d2 /mnt/disk2/
+    data d3 /mnt/disk3/
+    exclude /lost+found/
+  '';
+}

hosts/komikan/hardware-configuration.nix

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+# 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 + "/profiles/qemu-guest.nix")
+  ];
+
+  boot.initrd.availableKernelModules = ["ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-amd"];
+  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.ens18.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/komikan/users/ahnwuoa/default.nix

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+{...}: {
+  imports = [
+    ../../../../user
+  ];
+
+  home.username = "ahnwuoa";
+  u.has = {
+    graphical = false;
+    wine = false;
+    prog = false;
+  };
+}