diff --git a/src/system/machines/desktop/system.nix b/src/system/machines/desktop/system.nix
index e91594a..3d633ed 100644
--- a/src/system/machines/desktop/system.nix
+++ b/src/system/machines/desktop/system.nix
@@ -6,7 +6,7 @@
     ${config.user.name} = {
       isNormalUser = true;
       extraGroups = config.user.groups
-        ++ [ "video" "audio" "kvm" "libvirtd" ];
+        ++ [ "video" "audio" "kvm" "libvirtd" "dialout" ];
       openssh.authorizedKeys.keys = [ "${config.user.keys.ssh.android}" ];
     };
   };
@@ -50,6 +50,7 @@
   environment.systemPackages = with pkgs; [
     vim
     git
+    usbutils
   ];
 
   fonts.packages = with pkgs; [
diff --git a/src/user/configs/bookmarks/default.nix b/src/user/configs/bookmarks/default.nix
index 9349edd..9143d34 100644
--- a/src/user/configs/bookmarks/default.nix
+++ b/src/user/configs/bookmarks/default.nix
@@ -139,6 +139,19 @@
             url = "https://stackoverflow.com";
             tags = [ "dev" "work" "forum" ];
           }
+          {
+            name = "Learning";
+            bookmarks = [
+              {
+                name = "Leetcode";
+                url = "https://leetcode.com";
+              }
+              {
+                name = "CodeWars";
+                url = "https://codewars.com";
+              }
+            ];
+          }
           {
             name = "Tools";
             bookmarks = [
diff --git a/src/user/modules/utils/modules/neovim/config/lazyvim/lua/config/autocmds.lua b/src/user/modules/utils/modules/neovim/config/lazyvim/lua/config/autocmds.lua
index 9e92902..f118620 100644
--- a/src/user/modules/utils/modules/neovim/config/lazyvim/lua/config/autocmds.lua
+++ b/src/user/modules/utils/modules/neovim/config/lazyvim/lua/config/autocmds.lua
@@ -60,9 +60,10 @@ lsp.setup_servers({
 	"marksman",
 	"tailwindcss",
 	"bashls",
-  "ccls",
+  "clangd",
   "jsonls",
-  "vuels"
+  "vuels",
+  "arduino-language-server"
 })
 
 require("lspconfig").lua_ls.setup(lsp.nvim_lua_ls())
diff --git a/src/user/modules/utils/modules/neovim/config/pkgs.nix b/src/user/modules/utils/modules/neovim/config/pkgs.nix
index 012339e..8b55c4c 100644
--- a/src/user/modules/utils/modules/neovim/config/pkgs.nix
+++ b/src/user/modules/utils/modules/neovim/config/pkgs.nix
@@ -6,7 +6,8 @@ let
     marksman
     sumneko-lua-language-server stylua
     nodePackages."@tailwindcss/language-server"
-    ccls
+    clang-tools
+    arduino-language-server
   ];
 
   lsp' = with pkgs.nodePackages; [