Add VPS host

flake.nix

@@ -44,6 +44,15 @@
       ];
     };
 
+    nixosConfigurations."vps" = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      modules = [
+        disko.nixosModules.disko
+        ./hosts/nixos/vps/system.nix
+        ./hosts/nixos/vps/disk-config.nix
+      ];
+    };
+
     homeConfigurations = {
       "yanlin@imac" = home-manager.lib.homeManagerConfiguration {
         pkgs = nixpkgs.legacyPackages.aarch64-darwin;
@@ -62,6 +71,12 @@
         modules = [ ./hosts/nixos/hs/home.nix ];
         extraSpecialArgs = { inherit claude-code nixvim; };
       };
+
+      "yanlin@vps" = home-manager.lib.homeManagerConfiguration {
+        pkgs = nixpkgs.legacyPackages.x86_64-linux;
+        modules = [ ./hosts/nixos/vps/home.nix ];
+        extraSpecialArgs = { inherit claude-code nixvim; };
+      };
     };
   };
 }

hosts/nixos/home-default.nix

@@ -12,7 +12,6 @@
     ../../modules/termscp.nix
     ../../modules/rsync.nix
     ../../modules/btop.nix
-    ../../modules/syncthing.nix
     ../../config/fonts.nix
   ];
 
@@ -50,7 +49,6 @@
     fastfetch
 
     # Development and build tools
-    texlive.combined.scheme-full
     python312
     uv
     claude-code.packages.x86_64-linux.claude-code

hosts/nixos/hs/home.nix

@@ -3,6 +3,7 @@
 {
   imports = [
     ../home-default.nix
+    ../../../modules/syncthing.nix
   ];
 
   # hs-specific home configuration
@@ -11,5 +12,9 @@
       smart-report = "sudo /home/yanlin/.config/nix/scripts/daily-smart-report.sh";
       move-inbox = "cp -rl /mnt/storage/Media/downloads/.inbox/* /mnt/storage/Media/downloads/inbox && chown -R yanlin:users /mnt/storage/Media/downloads/inbox";
   };
+
+  home.packages = with pkgs; [
+    texlive.combined.scheme-full
+  ];
   
 }

hosts/nixos/vps/disk-config.nix

@@ -0,0 +1,48 @@
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/sda";
+        content = {
+          type = "gpt";
+          partitions = {
+            # GRUB BIOS boot partition
+            boot = {
+              size = "1M";
+              type = "EF02";
+            };
+            # Boot partition
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            # Swap partition
+            swap = {
+              size = "4G";
+              content = {
+                type = "swap";
+                randomEncryption = false;
+              };
+            };
+            # Root partition (remaining space)
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+                mountOptions = [ "defaults" "noatime" ];
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

hosts/nixos/vps/hardware-configuration.nix

@@ -0,0 +1,42 @@
+# Hardware configuration for VPS
+# This is a generic configuration suitable for most VPS providers
+
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
+
+  # Boot configuration - common kernel modules for VPS environments
+  boot.initrd.availableKernelModules = [ 
+    "ata_piix"
+    "uhci_hcd"
+    "virtio_pci"
+    "virtio_scsi"
+    "sd_mod"
+    "sr_mod"
+    "virtio_blk"
+    "virtio_net"
+    "xen_blkfront"
+    "xen_netfront"
+  ];
+  boot.initrd.kernelModules = [ "virtio_balloon" "virtio_console" "virtio_rng" ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # Filesystems are managed by disko configuration
+  # No filesystem declarations needed here
+
+  # No swap devices configured here - handled by disko
+
+  # Networking hardware
+  networking.useDHCP = lib.mkDefault true;
+
+  # Hardware-specific settings
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+
+  # CPU microcode updates
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  
+  # Enable firmware updates
+  hardware.enableRedistributableFirmware = lib.mkDefault true;
+}

hosts/nixos/vps/home.nix

@@ -0,0 +1,7 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ../home-default.nix
+  ];
+}

hosts/nixos/vps/system.nix

@@ -0,0 +1,97 @@
+{ config, pkgs, ... }: {
+  imports = [
+    ./hardware-configuration.nix
+    ./disk-config.nix
+    ../../../modules/tailscale.nix
+    ../../../modules/borg.nix
+  ];
+
+  # GRUB bootloader with UEFI support
+  boot.loader.grub = {
+    enable = true;
+    device = "nodev"; # Required for EFI systems
+    efiSupport = true;
+    efiInstallAsRemovable = true; # Better compatibility with VPS
+  };
+
+  # Network configuration
+  networking = {
+    hostName = "vps";
+    hostId = "a8c06f42"; # Required for some services, generated randomly
+    networkmanager.enable = false; # Use systemd-networkd for VPS
+    useDHCP = true; # VPS typically use DHCP
+    firewall = {
+      enable = true;
+      allowedTCPPorts = [ 22 ]; # Only SSH by default
+    };
+  };
+
+  # Set your time zone
+  time.timeZone = "Europe/Copenhagen";
+
+  # Select internationalisation properties
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  # Enable the OpenSSH daemon
+  services.openssh = {
+    enable = true;
+    settings = {
+      PermitRootLogin = "prohibit-password"; # Allow key-based root login for nixos-anywhere
+      PasswordAuthentication = false;
+      KbdInteractiveAuthentication = false;
+    };
+  };
+
+  # Root user configuration (for nixos-anywhere initial access)
+  users.users.root = {
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGVvviqbwBEGDIbAUnmgHQJi+N5Qfvo5u49biWl6R7oC yanlin@MacBook-Air"
+    ];
+  };
+
+  # Regular user account
+  users.users.yanlin = {
+    isNormalUser = true;
+    description = "yanlin";
+    extraGroups = [ "wheel" ]; # Enable sudo
+    shell = pkgs.zsh;
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGVvviqbwBEGDIbAUnmgHQJi+N5Qfvo5u49biWl6R7oC yanlin@MacBook-Air"
+    ];
+  };
+
+  # Enable sudo for wheel group
+  security.sudo.wheelNeedsPassword = false;
+
+  # List packages installed in system profile
+  environment.systemPackages = with pkgs; [
+    vim
+    git
+    htop
+    curl
+    wget
+    rsync
+    tmux
+    tree
+    lsof
+    tcpdump
+    iotop
+    zsh
+    home-manager
+  ];
+
+  # Enable zsh system-wide (required when set as user shell)
+  programs.zsh.enable = true;
+
+  # Enable experimental nix features
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  # Allow unfree packages globally
+  nixpkgs.config.allowUnfree = true;
+
+  # 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.
+  system.stateVersion = "24.05"; # Did you read the comment?
+}

modules/ssh.nix

@@ -45,6 +45,12 @@
         identityFile = "~/.ssh/keys/hetzner";
       };
 
+      "vps" = {
+        hostname = "91.98.84.215";
+        user = "yanlin";
+        identityFile = "~/.ssh/keys/hetzner";
+      };
+
       "storage-box" = {
         hostname = "u448310.your-storagebox.de";
         user = "u448310";