diff --git a/configuration.nix b/configuration.nix
index c19fdac..006b85a 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -83,13 +83,16 @@
     ];
   };
 
-  networking.firewall.allowedTCPPorts = [ 8080 ];
+  networking.firewall.enable = false; #.allowedTCPPorts = [ 8080 ];
   networking.extraHosts = ''
     86.95.92.180 apprise.prod.gaiaplant.app
     192.145.59.184 marshallingyard.steph.tools
   '';
 
-  services.avahi.enable = false;
+  services.avahi.enable = true;
+services.minidlna.settings.enable = true;
+services.minidlna.settings.media_dir = [
+  "/media" ];
 
   virtualisation.podman.enable = true;
   virtualisation.docker.enable = true;
@@ -106,6 +109,7 @@
     vistafonts
   ];
 
+  environment.localBinInPath = true;
   environment.systemPackages = with pkgs; [
     podman
     docker-compose
diff --git a/git-identity.sh b/git-identity.sh
new file mode 100755
index 0000000..171361e
--- /dev/null
+++ b/git-identity.sh
@@ -0,0 +1,98 @@
+#!/usr/bin/env bash
+
+IFS=""
+
+function print_menu()  # selected_item, ...menu_items
+{
+	local function_arguments=($@)
+
+	local selected_item="$1"
+	local menu_items=(${function_arguments[@]:1})
+	local menu_size="${#menu_items[@]}"
+
+	for (( i = 0; i < $menu_size; ++i ))
+	do
+		if [ "$i" = "$selected_item" ]
+		then
+			echo -e "\033[1;34m > \033[0m\e[1m${menu_items[i]}\033[0m"
+		else
+			echo "   ${menu_items[i]}"
+		fi
+	done
+}
+
+function run_menu()  # selected_item, ...menu_items
+{
+	local function_arguments=($@)
+
+	local selected_item="$1"
+	local menu_items=(${function_arguments[@]:1})
+	local menu_size="${#menu_items[@]}"
+	local menu_limit=$((menu_size - 1))
+
+	print_menu "$selected_item" "${menu_items[@]}"
+	
+	while read -rsn1 input
+	do
+		case "$input"
+		in
+			$'\x1B')  # ESC ASCII code (https://dirask.com/posts/ASCII-Table-pJ3Y0j)
+				read -rsn1 -t 0.1 input
+				if [ "$input" = "[" ]  # occurs before arrow code
+				then
+					read -rsn1 -t 0.1 input
+					case "$input"
+					in
+						A)  # Up Arrow
+							if [ "$selected_item" -ge 1 ]
+							then
+								selected_item=$((selected_item - 1))
+								echo -en "\033[s\033[${menu_size}A"
+								print_menu "$selected_item" "${menu_items[@]}"
+								echo -en "\033[u\033[0m"
+							fi
+							;;
+						B)  # Down Arrow
+							if [ "$selected_item" -lt "$menu_limit" ]
+							then
+								selected_item=$((selected_item + 1))
+								echo -en "\033[s\033[${menu_size}A"
+								print_menu "$selected_item" "${menu_items[@]}"
+								echo -en "\033[u\033[0m"
+							fi
+							;;
+					esac
+				fi
+				read -rsn5 -t 0.1  # flushing stdin
+				;;
+			"")  # Enter key
+				return "$selected_item"
+				;;
+		esac
+	done
+}
+
+
+# Usage example:
+
+selected_item=0
+menu_items=("Stephan Stanisic <s.stanisic@student.uu.nl>"
+	"Stephan Stanisic <s.stanisic@ru.nl>"
+	"Stephan Stanisic <stephan@stanisic.nl>" 
+	"Steph <steph+noreply@code.steph.tools>")
+
+run_menu "$selected_item" "${menu_items[@]}"
+menu_result="$?"
+
+echo
+
+sel=${menu_items[$menu_result]}
+
+name=$(echo $sel | cut -d \< -f 1 | head -c -2)
+email=$(echo $sel | cut -d \< -f 2 | head -c -2)
+
+echo "Setting username to $name and email to $email"
+
+git config user.email "$email"
+git config user.name "$name"
+
diff --git a/home.nix b/home.nix
index e3d3be6..75dd807 100644
--- a/home.nix
+++ b/home.nix
@@ -64,6 +64,7 @@
       entr
       pandoc
       texliveFull
+      steam
     ];
 
     programs.home-manager.enable = true;
@@ -121,5 +122,9 @@
     };
 
     home.file.".background-image".source = "${./.}/Morskie Oko.jpg";
+    home.file.".local/bin/git-identity" = {
+      executable = true;
+      source = "${./git-identity.sh}";
+    };
 
 }
diff --git a/programs/bash.nix b/programs/bash.nix
index 58c3695..01310f9 100644
--- a/programs/bash.nix
+++ b/programs/bash.nix
@@ -44,5 +44,6 @@ $NEW_PROMPT_COMMAND"
     programs.bash.sessionVariables = {
       NIX_SHELL_PRESERVE_PROMPT = 1;
       NIXPKGS_ALLOW_UNFREE = 1;
+      HISTCONTROL = "ignoreboth:erasedups";
     };
 }
\ No newline at end of file
diff --git a/programs/git-identity.nix b/programs/git-identity.nix
new file mode 100644
index 0000000..6080a18
--- /dev/null
+++ b/programs/git-identity.nix
@@ -0,0 +1,115 @@
+{ pkgs, lib, config, specialArgs, options, modulesPath }:
+
+with pkgs;
+
+let
+
+    git-identity = (writeShellApplication {
+        name = "git-identity";
+        text = ''
+#!/usr/bin/env bash
+
+IFS=""
+
+function print_menu()  # selected_item, ...menu_items
+{
+	local function_arguments=("''$@")
+
+	local selected_item="''$1"
+	local menu_items=("''${function_arguments[@]:1}")
+	local menu_size="''${#menu_items[@]}"
+
+	for (( i = 0; i < menu_size; ++i ))
+	do
+		if [ "''$i" = "''$selected_item" ]
+		then
+			echo -e "\033[1;34m > \033[0m\e[1m''${menu_items[i]}\033[0m"
+		else
+			echo "   ''${menu_items[i]}"
+		fi
+	done
+}
+
+function run_menu()  # selected_item, ...menu_items
+{
+	local function_arguments=("''$@")
+
+	local selected_item="''$1"
+	local menu_items=("''${function_arguments[@]:1}")
+	local menu_size="''${#menu_items[@]}"
+	local menu_limit=''$((menu_size - 1))
+
+	print_menu "''$selected_item" "''${menu_items[@]}"
+	
+	while read -rsn1 input
+	do
+		case "''$input"
+		in
+			''$'\x1B')  # ESC ASCII code (https://dirask.com/posts/ASCII-Table-pJ3Y0j)
+				read -rsn1 -t 0.1 input
+				if [ "''$input" = "[" ]  # occurs before arrow code
+				then
+					read -rsn1 -t 0.1 input
+					case "''$input"
+					in
+						A)  # Up Arrow
+							if [ "''$selected_item" -ge 1 ]
+							then
+								selected_item=''$((selected_item - 1))
+								echo -en "\033[s\033[''${menu_size}A"
+								print_menu "''$selected_item" "''${menu_items[@]}"
+								echo -en "\033[u\033[0m"
+							fi
+							;;
+						B)  # Down Arrow
+							if [ "''$selected_item" -lt "''$menu_limit" ]
+							then
+								selected_item=''$((selected_item + 1))
+								echo -en "\033[s\033[''${menu_size}A"
+								print_menu "''$selected_item" "''${menu_items[@]}"
+								echo -en "\033[u\033[0m"
+							fi
+							;;
+					esac
+				fi
+				read -rsn5 -t 0.1  # flushing stdin
+				;;
+			"")  # Enter key
+        echo "enter key"
+				return "''$selected_item"
+				;;
+		esac
+	done
+}
+
+
+# Usage example:
+
+selected_item=0
+menu_items=("Stephan Stanisic <s.stanisic@student.uu.nl>"
+	"Stephan Stanisic <s.stanisic@ru.nl>"
+	"Stephan Stanisic <stephan@stanisic.nl>" 
+	"Steph <steph+noreply@code.steph.tools>")
+
+run_menu "''$selected_item" "''${menu_items[@]}"
+menu_result="''$?"
+
+echo
+
+sel=''${menu_items[''$menu_result]}
+
+name=''$(echo "''$sel" | cut -d \< -f 1 | head -c -2)
+email=''$(echo "''$sel" | cut -d \< -f 2 | head -c -2)
+
+echo "Setting username to ''$name and email to ''$email"
+
+git config user.email "''$email"
+git config user.name "''$name"
+
+        '';
+    });
+
+in
+{
+  environment.systemPackages = [ git-identity ];
+}