nix bare for netcup

hosts/linux/configuration.nix

@@ -0,0 +1,85 @@
+{
+  inputs,
+  lib,
+  pkgs,
+  username,
+  self,
+  ...
+}: let
+  packageSets = import ../../lib/package-sets.nix {inherit inputs lib pkgs;};
+in {
+  imports = [
+    ./hardware-configuration.nix
+    ./disk-config.nix
+  ];
+
+  boot.loader.grub = {
+    enable = true;
+    efiSupport = true;
+    efiInstallAsRemovable = true;
+    device = "nodev";
+    configurationLimit = 5;
+  };
+
+  networking = {
+    hostName = "rathi-vps";
+    useDHCP = true;
+    firewall.allowedTCPPorts = [22 80 443];
+  };
+
+  services.qemuGuest.enable = true;
+
+  services.openssh = {
+    enable = true;
+    settings = {
+      PermitRootLogin = "prohibit-password";
+      PasswordAuthentication = false;
+    };
+  };
+
+  users.users.root.openssh.authorizedKeys.keys = [
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM6tzq33IQcurWoQ7vhXOTLjv8YkdTGb7NoNsul3Sbfu rathi@mac"
+  ];
+
+  users.users.${username} = {
+    isNormalUser = true;
+    extraGroups = ["wheel"];
+    shell = pkgs.zsh;
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM6tzq33IQcurWoQ7vhXOTLjv8YkdTGb7NoNsul3Sbfu rathi@mac"
+    ];
+  };
+
+  programs.zsh.enable = true;
+  environment.shells = [pkgs.zsh];
+
+  environment.variables = {
+    EDITOR = "nvim";
+    VISUAL = "nvim";
+  };
+
+  nix.settings = {
+    auto-optimise-store = true;
+    experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
+    trusted-users = [
+      "root"
+      username
+    ];
+  };
+
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 14d";
+  };
+
+  nixpkgs.config.allowUnfree = true;
+
+  environment.systemPackages = packageSets.core ++ packageSets.extras;
+
+  system.configurationRevision = self.rev or self.dirtyRev or null;
+  system.stateVersion = "24.11";
+}

hosts/linux/disk-config.nix

@@ -0,0 +1,32 @@
+{
+  disko.devices.disk.main = {
+    type = "disk";
+    device = "/dev/vda";
+    content = {
+      type = "gpt";
+      partitions = {
+        boot = {
+          size = "1M";
+          type = "EF02";
+        };
+        esp = {
+          size = "512M";
+          type = "EF00";
+          content = {
+            type = "filesystem";
+            format = "vfat";
+            mountpoint = "/boot";
+          };
+        };
+        root = {
+          size = "100%";
+          content = {
+            type = "filesystem";
+            format = "ext4";
+            mountpoint = "/";
+          };
+        };
+      };
+    };
+  };
+}

hosts/linux/hardware-configuration.nix

@@ -0,0 +1,26 @@
+# Generated placeholder for netcup KVM VPS.
+# Regenerate on the actual machine with: nixos-generate-config --show-hardware-config
+{
+  lib,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "virtio_pci"
+    "virtio_scsi"
+    "ahci"
+    "sd_mod"
+  ];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = [];
+  boot.extraModulePackages = [];
+
+  virtualisation.hypervGuest.enable = false;
+
+  networking.useDHCP = lib.mkDefault true;
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}