fix bug run opportunistic from VC

ubuntu_base/vc_node.py

@@ -233,9 +233,9 @@ def proceed_simple_VC():
 
     # Start a new Python process to run another script based on Node decision
     if node.state == State.DECIDED_IN_VC:
-        subprocess.Popen([sys.executable, '~/Desktop/gns3_unikernel_testbed/ubuntu_base/opportunistic_monitor.py'])
+        subprocess.Popen([sys.executable, '/home/node/Desktop/gns3_unikernel_testbed/ubuntu_base/opportunistic_monitor.py'])
     elif node.state == State.DECIDED_NOT_VC:
-        subprocess.Popen([sys.executable, '~/Desktop/gns3_unikernel_testbed/ubuntu_base/opportunistic_node.py'])
+        subprocess.Popen([sys.executable, '/home/node/Desktop/gns3_unikernel_testbed/ubuntu_base/opportunistic_node.py'])
     else:
         print("Error I cannot decide!!")
 

ubuntu_base/vc_server.py

 import socket, struct
 import time
-import threading
+import threading, sys
 
 # Configuration
 LISTEN_PORT = 12346  # Specify the port number to listen on