diff --git a/Main.gd b/Main.gd
index 6b60a2d..ec5159f 100644
--- a/Main.gd
+++ b/Main.gd
@@ -4,11 +4,12 @@ var mime_types := MimeTypeHelper.generate_db()
 
 var _server: HTTPServer = null
 
-var files: Array = []
+onready var server_ui := $ServerUI
+onready var server_dir = server_ui.server_dir
 
 
 func _ready() -> void:
-	_start_server()
+	pass
 
 
 func _start_server(port: int = 3001) -> void:
@@ -17,7 +18,7 @@ func _start_server(port: int = 3001) -> void:
 
 	_server = HTTPServer.new()
 	var dir := Directory.new()
-	if dir.open("res://server_files") == OK:
+	if dir.open(server_dir) == OK:
 		if dir.list_dir_begin() != OK:
 			# TODO: show error to user here
 			return
@@ -41,11 +42,16 @@ func _start_server(port: int = 3001) -> void:
 		# TODO: show error to user here
 		return
 
+	server_ui.is_server_running = true
+
 
 func _stop_server() -> void:
 	if _server:
+		_server.stop()
 		_server = null
 
+		server_ui.is_server_running = false
+
 
 func _process(_delta: float) -> void:
 	if _server == null:
@@ -77,3 +83,12 @@ func _serve_file(_request: HTTPServer.Request, response: HTTPServer.Response, bi
 	else:
 		response.header("content-type", "text/plain")
 		response.data("500 - Read Error")
+
+
+func _on_ServerUI_start_server_button_pressed(port: int, new_dir: String) -> void:
+	server_dir = new_dir
+	_start_server(port)
+
+
+func _on_ServerUI_stop_server_button_pressed() -> void:
+	_stop_server()
diff --git a/Main.tscn b/Main.tscn
index d8a00da..b8e1662 100644
--- a/Main.tscn
+++ b/Main.tscn
@@ -9,3 +9,6 @@ anchor_bottom = 1.0
 script = ExtResource( 1 )
 
 [node name="ServerUI" parent="." instance=ExtResource( 2 )]
+
+[connection signal="start_server_button_pressed" from="ServerUI" to="." method="_on_ServerUI_start_server_button_pressed"]
+[connection signal="stop_server_button_pressed" from="ServerUI" to="." method="_on_ServerUI_stop_server_button_pressed"]
diff --git a/ServerUI.gd b/ServerUI.gd
index fb1f7de..a4dc477 100644
--- a/ServerUI.gd
+++ b/ServerUI.gd
@@ -17,6 +17,7 @@ enum ContextMenuOptions {
 
 onready var server_path_label := $"%ServerPathLabel"
 onready var port_spin_box := $"%PortSpinBox"
+onready var start_server_button := $"%StartServerButton"
 onready var server_status_label := $"%ServerStatusLabel"
 
 onready var document_title_lineedit := $"%DocTitleLineEdit"
@@ -32,7 +33,8 @@ onready var server_folder_dialog := $"%ServerFolderDialog"
 
 signal server_folder_changed(new_path) # new_path: String
 signal server_port_changed(new_port) # new_port: int
-signal start_server_button_pressed(port) # port: int
+signal start_server_button_pressed(port, path) # port: int, path: String
+signal stop_server_button_pressed() # emit from %StartServerButton, when the server is not running.
 signal open_browser_button_pressed(port) # port: int
 
 signal files_selection_changed(new_files) # new_files: Array<String>
@@ -147,7 +149,21 @@ func _on_OpenServerFolderButton_pressed() -> void:
 
 
 func set_server_running(running: bool) -> void:
-	is_server_running = running # TODO: logic for disabling and enabling certain nodes
+	is_server_running = running
+	if is_server_running:
+		server_status_label.text = SERVER_STATUS_TEXT.RUNNING
+		start_server_button.text = "Stop server"
+		port_spin_box.editable = false
+		document_date_lineedit.editable = false
+		document_title_lineedit.editable = false
+		document_input_textedit.readonly = true
+	else:
+		server_status_label.text = SERVER_STATUS_TEXT.NOT_RUNNING
+		start_server_button.text = "Start server"
+		port_spin_box.editable = !false
+		document_date_lineedit.editable = !false
+		document_title_lineedit.editable = !false
+		document_input_textedit.readonly = !true
 
 
 func _generate_filestxt():
@@ -163,7 +179,15 @@ func _generate_filestxt():
 		f.store_string(files)
 		f.close()
 	else:
-		push_error("File.txt open for save error!")
+		push_error("File.txt open for save error!") # TODO: show a user-facing error
+
+
+func _on_StartServerButton_pressed() -> void:
+	if is_server_running:
+		emit_signal("stop_server_button_pressed")
+	else:
+		_generate_filestxt()
+		emit_signal("start_server_button_pressed", port_spin_box.value, server_dir)
 
 
 func _is_file_in_filestxt(path: String) -> bool:
diff --git a/ServerUI.tscn b/ServerUI.tscn
index 31d8177..c36a60e 100644
--- a/ServerUI.tscn
+++ b/ServerUI.tscn
@@ -62,6 +62,7 @@ max_value = 8000.0
 value = 3001.0
 
 [node name="StartServerButton" type="Button" parent="VBoxContainer/HBoxContainer"]
+unique_name_in_owner = true
 margin_left = 693.0
 margin_right = 778.0
 margin_bottom = 32.0
@@ -246,6 +247,7 @@ rect_min_size = Vector2( 95, 56 )
 items = [ "Move Up", null, 0, false, false, 0, 0, null, "", false, "Move Down", null, 0, false, false, 1, 0, null, "", false ]
 
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/OpenServerFolderButton" to="." method="_on_OpenServerFolderButton_pressed"]
+[connection signal="pressed" from="VBoxContainer/HBoxContainer/StartServerButton" to="." method="_on_StartServerButton_pressed"]
 [connection signal="item_edited" from="VBoxContainer/HSplitContainer/VBoxContainer2/FileTree" to="." method="_on_FileTree_item_edited"]
 [connection signal="item_rmb_selected" from="VBoxContainer/HSplitContainer/VBoxContainer2/FileTree" to="." method="_on_FileTree_item_rmb_selected"]
 [connection signal="item_selected" from="VBoxContainer/HSplitContainer/VBoxContainer2/FileTree" to="." method="_on_FileTree_item_selected"]
diff --git a/server_files/files.txt b/server_files/files.txt
index 1092b00..25e7634 100644
--- a/server_files/files.txt
+++ b/server_files/files.txt
@@ -1,3 +1,2 @@
-first.md 2022-01-06 first article
-second.md 2021-05-03 second article
-second.md
+first.md 2022-03-03 first title
+second.md 2022-03-05 second title
diff --git a/server_files/second.md b/server_files/second.md
index 32735f0..35db2d7 100644
--- a/server_files/second.md
+++ b/server_files/second.md
@@ -17,4 +17,4 @@ Image:
 code_block!
 ```
 
-`code not block`
+`code not block`
\ No newline at end of file