diff --git a/hosts/x86_64-linux/asmodeus/default.nix b/hosts/x86_64-linux/asmodeus/default.nix
index 583c6c2..b031713 100644
--- a/hosts/x86_64-linux/asmodeus/default.nix
+++ b/hosts/x86_64-linux/asmodeus/default.nix
@@ -73,6 +73,11 @@
   boot.loader.efi.canTouchEfiVariables = true;
 
   boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelModules = ["v4l2loopback"];
+  boot.extraModulePackages = with config.boot.kernelPackages; [v4l2loopback];
+  boot.extraModprobeConfig = ''
+    options v4l2loopback devices=1 video_nr=1 card_label="OBS Cam" exclusive_caps=1
+  '';
 
   networking.hostName = "asmodeus"; # Define your hostname.
   # Pick only one of the below networking options.
@@ -105,6 +110,8 @@
   services.xserver.videoDrivers = ["nvidia"];
 
   virtualisation.docker.enable = true;
+  virtualisation.libvirtd.enable = true;
+  programs.virt-manager.enable = true;
 
   # Configure keymap in X11
   services.xserver.xkb.layout = "us";
@@ -163,6 +170,8 @@
     jellyfin
     jellyfin-web
     jellyfin-ffmpeg
+
+    v4l-utils
   ];
 
   #programs.nix-ld.enable = true;
@@ -181,6 +190,9 @@
   services.jellyfin.enable = true;
   services.jellyfin.user = "xqtc";
 
+  services.ollama.enable = true;
+  services.ollama.acceleration = "cuda";
+
   #services.calibre-web = {
   #  enable = true;
   #  user = "xqtc";
@@ -215,7 +227,7 @@
 
   services.tailscale.enable = true;
   # Open ports in the firewall.
-  networking.firewall.allowedTCPPorts = [2234 8096 8080 8082];
+  networking.firewall.allowedTCPPorts = [2234 4747 8096 8080 8082];
   # networking.firewall.allowedUDPPorts = [ ... ];
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;
diff --git a/hosts/x86_64-linux/beleth/default.nix b/hosts/x86_64-linux/beleth/default.nix
index a07431f..b8884f9 100644
--- a/hosts/x86_64-linux/beleth/default.nix
+++ b/hosts/x86_64-linux/beleth/default.nix
@@ -16,6 +16,7 @@ with lib; {
     ./uptime.nix
     ./networking.nix
     ./git.nix
+    ./nextcloud.nix
     ./docker.nix
     ./nfs.nix
     ../../gc.nix
diff --git a/hosts/x86_64-linux/beleth/nextcloud.nix b/hosts/x86_64-linux/beleth/nextcloud.nix
new file mode 100644
index 0000000..2d95229
--- /dev/null
+++ b/hosts/x86_64-linux/beleth/nextcloud.nix
@@ -0,0 +1,130 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  imports = [
+    "${fetchTarball {
+      url = "https://github.com/onny/nixos-nextcloud-testumgebung/archive/fa6f062830b4bc3cedb9694c1dbf01d5fdf775ac.tar.gz";
+      sha256 = "0gzd0276b8da3ykapgqks2zhsqdv4jjvbv97dsxg0hgrhb74z0fs";
+    }}/nextcloud-extras.nix"
+  ];
+
+  services.nextcloud = {
+    webserver = "caddy";
+  };
+
+  services.postgresql = {
+    enable = true;
+    identMap = ''
+      # ArbitraryMapName systemUser DBUser
+      superuser_map      root       postgres
+      superuser_map      postgres   postgres
+      # Let other names login as themselves
+      superuser_map      /^(.*)$   \1
+    '';
+    authentication = pkgs.lib.mkOverride 10 ''
+      #type database  DBuser  auth-method optional_ident_map
+      local sameuser  all     peer        map=superuser_map
+    '';
+  };
+
+  services.nextcloud = {
+    enable = true;
+    package = pkgs.nextcloud29;
+    hostName = "cloud.heroin.trade";
+    https = true;
+
+    database.createLocally = true;
+    config = {
+      dbtype = "pgsql";
+      adminpassFile = "/etc/nx_pass";
+    };
+    configureRedis = true;
+    maxUploadSize = "4G";
+    phpOptions."opcache.interned_strings_buffer" = "32";
+
+    extraApps = {
+      inherit
+        (config.services.nextcloud.package.packages.apps)
+        contacts
+        calendar
+        notes
+        previewgenerator
+        ;
+      recognize = pkgs.fetchNextcloudApp {
+        sha256 = "sha256-7qp9UbUcMwBNdGixaR0BAigMAtlyCAN39WxqHbsFVGE=";
+        url = "https://github.com/nextcloud/recognize/releases/download/v7.0.0/recognize-7.0.0.tar.gz";
+        license = "agpl3Only";
+      };
+    };
+    extraAppsEnable = true;
+
+    settings = {
+      maintenance_window_start = 100;
+      default_phone_region = "DE";
+      log_type = "file";
+      enabledPreviewProviders = [
+        "OC\\Preview\\BMP"
+        "OC\\Preview\\GIF"
+        "OC\\Preview\\JPEG"
+        "OC\\Preview\\Krita"
+        "OC\\Preview\\MarkDown"
+        "OC\\Preview\\MP3"
+        "OC\\Preview\\OpenDocument"
+        "OC\\Preview\\PNG"
+        "OC\\Preview\\TXT"
+        "OC\\Preview\\XBitmap"
+        "OC\\Preview\\HEIC"
+        "OC\\Preview\\Font"
+        "OC\\Preview\\HEIC"
+        "OC\\Preview\\Illustrator"
+        "OC\\Preview\\Movie"
+        "OC\\Preview\\MSOffice2003"
+        "OC\\Preview\\MSOffice2007"
+        "OC\\Preview\\MSOfficeDoc"
+        "OC\\Preview\\PDF"
+        "OC\\Preview\\Photoshop"
+        "OC\\Preview\\Postscript"
+        "OC\\Preview\\StarOffice"
+        "OC\\Preview\\SVG"
+        "OC\\Preview\\TIFF"
+        "OC\\Preview\\EMF"
+      ];
+    };
+
+    secretFile = "/etc/nx_sc_opt";
+  };
+
+  # Execute `nextcloud-occ preview:generate-all` before running this timer!
+  systemd.timers."nextcloud-previewgenerator" = {
+    wantedBy = ["timers.target"];
+    timerConfig = {
+      OnBootSec = "15m";
+      OnUnitActiveSec = "15m";
+      Unit = "nextcloud-previewgenerator.service";
+    };
+  };
+  systemd.services."nextcloud-previewgenerator" = {
+    script = ''
+      ${config.services.nextcloud.occ}/bin/nextcloud-occ preview:pre-generate
+    '';
+    serviceConfig = {
+      Type = "oneshot";
+      User = "root";
+    };
+  };
+
+  environment.systemPackages = with pkgs; [
+    # previewgenerator
+    ghostscript
+    ffmpeg-headless
+    # recognize
+    gnumake
+    nodejs_20
+    nodejs_20.pkgs.node-pre-gyp
+    python3
+    util-linux
+  ];
+}