diff --git a/configuration.nix b/configuration.nix
index eb5fa78..c37d11c 100755
--- a/configuration.nix
+++ b/configuration.nix
@@ -18,6 +18,17 @@ in
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
+boot.extraModulePackages = with config.boot.kernelPackages; [
+  v4l2loopback
+];
+
+boot.kernelModules = [ "v4l2loopback" ];
+boot.extraModprobeConfig = ''
+  options v4l2loopback video_nr=10 card_label=snapcam exclusive_caps=1
+'';
+
+
+
   networking.hostName = profile.hostname; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
@@ -91,6 +102,8 @@ in
         libGL
         xorg.libX11
         appimage-run
+        libgcrypt
+        libxcrypt
     ];
   };
 
@@ -121,7 +134,6 @@ in
   services.openssh.enable = true;
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
   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
diff --git a/terminal-environment/config.nix b/terminal-environment/config.nix
index 2d1ee6e..7b65c6d 100644
--- a/terminal-environment/config.nix
+++ b/terminal-environment/config.nix
@@ -6,6 +6,7 @@ in
 
    imports = [
       ./editor.nix
+      ./tex-environment.nix
    ];
 
     environment.systemPackages = with pkgs; [
diff --git a/terminal-environment/tex-environment.nix b/terminal-environment/tex-environment.nix
new file mode 100644
index 0000000..084ef53
--- /dev/null
+++ b/terminal-environment/tex-environment.nix
@@ -0,0 +1,11 @@
+{ config, pkgs, ... }:
+let
+    profile = import ../profile.nix;
+in
+{
+
+   environment.systemPackages = with pkgs; [
+      texliveMedium
+   ];
+
+}