diff --git a/test/Client.py b/test/Client.py
old mode 100644
new mode 100755
index ffa8885443ce025d7893b668439b2664be00cf30..3b3fc046c02bb0a83d0de544c2cee1fe5e34797c
--- a/test/Client.py
+++ b/test/Client.py
@@ -1,6 +1,12 @@
+#! /usr/bin/env python3
+
 import sys
 import time
 import logging
+
+host = "localhost"
+port = 62000
+
 sys.path.insert(0, "..")
 
 Temp_only = True
@@ -57,7 +63,7 @@ if __name__ == "__main__":
     # logger.setLevel(logging.DEBUG)
 
     # client = Client("opc.tcp://LAPTOP-N0VQ3UDT:4840/")
-    client = Client("opc.tcp://192.168.137.102:4840/")
+    client = Client("opc.tcp://{}:{}/".format(host, port))
     # client = Client("opc.tcp://169.254.91.66:4840/")
     # I hope this is secure, because I have zero clue about security
     # client.set_security_string("Basic256Sha256,SignAndEncrypt,certificate-example.der,private-key-example.pem")
diff --git a/test/MCU_debug_access.py b/test/MCU_debug_access.py
old mode 100644
new mode 100755
index 60a47c47ded25514f98692c106900464e7d32862..ae31e39eaf5e84dd8442b3fb3dcf3877d36470e0
--- a/test/MCU_debug_access.py
+++ b/test/MCU_debug_access.py
@@ -1,3 +1,5 @@
+#! /usr/bin/env python3
+
 # this script connects to a server (specified in this file) and prints any debug messages the server has
 # The server stores its most recent degug messages in a buffer. This client polls that buffer every 2 seconds
 # The client checks for duplicates and prints any new debug messages.
@@ -6,6 +8,10 @@
 import sys
 import time
 import logging
+
+host = "localhost"
+port = 62000
+
 sys.path.insert(0, "..")
 
 from opcua import Client
@@ -14,7 +20,7 @@ if __name__ == "__main__":
 	logging.basicConfig(level=logging.WARNING) #INFO ERROR WARNING NOTSET DEBUG
 
 	# for now, just connect to this client
-	client = Client("opc.tcp://192.168.137.102:4840/")
+	client = Client("opc.tcp://{}:{}/".format(host, port))
 
 	try:
 		# connect to client
diff --git a/test/M&C_client.py b/test/MnC_client.py
old mode 100644
new mode 100755
similarity index 97%
rename from test/M&C_client.py
rename to test/MnC_client.py
index 10b145ceef6e2d04e2099de53e419aefb59d6099..7c54ae3c61899badceae6001a20b58dcc907817a
--- a/test/M&C_client.py
+++ b/test/MnC_client.py
@@ -1,10 +1,14 @@
-
+#! /usr/bin/env python3
 
 import signal
 import sys
 import time
 import datetime
 import logging
+
+host = "localhost"
+port = 62000
+
 sys.path.insert(0, "..")
 
 
@@ -101,9 +105,7 @@ if __name__ == "__main__":
     # logger = logging.getLogger("KeepAlive")
     # logger.setLevel(logging.DEBUG)
 
-    # client = Client("opc.tcp://LAPTOP-N0VQ3UDT:4840/")
-    client = Client("opc.tcp://192.168.137.102:4840/")
-    # client = Client("opc.tcp://169.254.91.66:4840/")
+    client = Client("opc.tcp://{}:{}/".format(host, port))
     # I hope this is secure, because I have zero clue about security
     # client.set_security_string("Basic256Sha256,SignAndEncrypt,certificate-example.der,private-key-example.pem")
 
@@ -185,4 +187,3 @@ if __name__ == "__main__":
         finally:
             print(" disconnect")
             client.disconnect()
-