diff --git a/configuration.nix b/configuration.nix
index 8246cb3..e37c36d 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -174,6 +174,8 @@ in
   environment.systemPackages = (with pkgs; [
     (python3.withPackages(python-packages))
 
+    conda
+
     virt-manager
     distrobox
 
diff --git a/dev/language-server.nix b/dev/language-server.nix
index fabddb9..04f39c8 100644
--- a/dev/language-server.nix
+++ b/dev/language-server.nix
@@ -4,5 +4,7 @@
         shellcheck
         lua-language-server
         pyright
+        arduino-language-server
+        clang
     ];
 }
diff --git a/nixos-build.sh b/nixos-build.sh
index 9f97129..25dda67 100644
--- a/nixos-build.sh
+++ b/nixos-build.sh
@@ -6,8 +6,10 @@ read -r choice
 case "$choice" in 
     y|Y )
         echo "copying files..."
-        cp -rv extra /etc/nixos/
-        cp -rv users /etc/nixos/users
+        cp -rv dev /etc/nixos
+        cp -rv core /etc/nixos
+        cp -rv extra /etc/nixos
+        cp -rv users /etc/nixos
         cp -rv *.nix /etc/nixos/
     ;;
     n|N )
diff --git a/users/servostar/user.nix b/users/servostar/user.nix
index 6145b57..8aa3d7f 100644
--- a/users/servostar/user.nix
+++ b/users/servostar/user.nix
@@ -171,8 +171,8 @@
     xdg.configFile."VSCodium/User/settings.json".source = config/settings.json; # VSCodium settings
     xdg.configFile."aacs/KEYDB.cfg".source = config/keydb.cfg;                  # key database for blueray decryption
     # kitty configuration
-    xdg.configFile."kitty/kitty.conf".source = config/kitty/kitty.conf
-    xdg.configFile."kitty/tokyonight.conf".source = config/kitty/tokyonight.conf
+    xdg.configFile."kitty/kitty.conf".source = config/kitty/kitty.conf;
+    xdg.configFile."kitty/tokyonight.conf".source = config/kitty/tokyonight.conf;
 
     # ------------------------------------------------------
     # ZSH