diff --git a/configuration.nix b/configuration.nix
index 3b55094..b0e8ab8 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -31,6 +31,15 @@ in
           hash = "sha256-1zxrT7phXeQYNbWHWMyPuHiUglrPSMPP0bfAcfvt8dM=";
         };
       });
+      stm32cubemx = prev.stm32cubemx.override {
+          fetchzip = args: prev.fetchzip (args // {
+              url = "http://${serverIP}/stm32cube_mx_v6111-lin.zip";
+              hash = "sha256-By9T43GLM1J63TkRi3kl05h1RflBorU1QHgYOrXQ9N0=";
+          });
+          buildFHSEnv = args: prev.buildFHSEnv ( args // {
+              unshareNet = true;
+          });
+      };
     })
   ];
   users.users.student = {
@@ -115,7 +124,8 @@ in
         inputs.kompas3d.packages.${pkgs.system}.default # KOMPAS-3D
         freecad elmerfem gmsh # FEM calculation
 
-        inputs.stm32cubemx.packages.x86_64-linux.stm32cubemx
+        #inputs.stm32cubemx.packages.x86_64-linux.stm32cubemx
+	stm32cubemx
 
         pandoc
         onlyoffice-desktopeditors # к сожалению, пока у OnlyOffice баг со шрифтами. Ждём фикс
@@ -190,6 +200,7 @@ in
         # актуально для разработчиков ПО (встраивание диаграмм в код)
         # поддерживается нашей поставкой IJ IDEA CE
         plantuml
+        graphviz
 
         archi # поддержка archimate
 
@@ -200,6 +211,7 @@ in
         stlink
         stlink-gui
         stm32loader
+        openocd
 
         ##### СЕТЕВЫЕ УТИЛИТЫ ######
         # установлен Cisco Packet Tracer, обернут в firejail чтобы не стучался на Netacad.com
@@ -510,7 +522,6 @@ in
             with vscode-extensions;
             [
               ms-vscode.cpptools-extension-pack
-              zainchen.json
               ms-dotnettools.csharp
               formulahendry.code-runner
               tomoki1207.pdf
@@ -529,12 +540,6 @@ in
               timonwong.shellcheck
             ]
             ++ pkgs.vscode-utils.extensionsFromVscodeMarketplace [
-              {
-                name = "better-cpp-syntax";
-                publisher = "jeff-hykin";
-                version = "1.27.1";
-                sha256 = "sha256-GO/ooq50KLFsiEuimqTbD/mauQYcD/p2keHYo/6L9gw=";
-              }
               {
                 name = "vscode-cppcheck";
                 publisher = "brobeson";
@@ -671,6 +676,25 @@ in
       PGUSER = "postgres";
     };
   };
+
+
+
+  systemd.user.services.stm32cubemx-repo =
+  let
+    stm32f1-v180 = builtins.fetchTarball { url = "http://${serverIP}/STM32Cube.tar.gz"; sha256 = "sha256:1zlcp82xq16anx02ghiv9xa5bi2fsz78h945miqmi26bwcjxdagn"; };
+
+  in  {
+    description = "STM32CubeMX firmware repository setup";
+    wantedBy = [ "default.target" ];
+    serviceConfig = {
+      Type = "oneshot";
+      RemainAfterExit = true;
+      ExecStart = pkgs.writeShellScript "stm32cubemx-repo-setup" ''
+         cp -r ${stm32f1-v180}/. "$HOME/STM32Cube"
+         chmod -R u+w "$HOME/STM32Cube"
+      '';
+    };
+  };
   services.grdcontrol.enable = true;
 
   imports = [
@@ -835,6 +859,8 @@ in
     open = false;
     nvidiaSettings = false;
   };
+
+  services.udev.packages = [ pkgs.stlink pkgs.openocd ];
   services.udev.extraRules = if isAdata then ''
     ACTION=="add|change",KERNEL=="nvme[0-9]", ATTR{queue/scheduler}="none"
   '' else "";
@@ -890,7 +916,7 @@ in
   };
 
   # каждый компьютер имеет выход в интернет
-  networking.networkmanager.enable = true;
+  networking.networkmanager.enable = ! config.services.harmonia.enable;
   networking.hostName = "nixos";
   networking.firewall.allowedTCPPorts = [ 22 ] ++ lib.optionals config.services.harmonia.enable [ 80 ];