diff --git a/py4web/core.py b/py4web/core.py
index ce313e138..75e5bd0dc 100644
--- a/py4web/core.py
+++ b/py4web/core.py
@@ -2048,7 +2048,7 @@ def run(**kwargs):
                 'You have not set a dashboard password. Run "%s set_password" to do so.'
                 % PY4WEB_CMD
             )
-        elif "_dashboard" in Reloader.ROUTES and (not kwargs['host'].startswith('unix:')) :
+        elif "_dashboard" in Reloader.ROUTES and (not kwargs['host'].startswith('unix:/')) :
             click.echo(
                 f"Dashboard is at: http{'s' if kwargs.get('ssl_cert', None) else ''}://{kwargs['host']}:{kwargs['port']}/_dashboard"
             )
diff --git a/py4web/server_adapters.py b/py4web/server_adapters.py
index 33955838e..0de455c57 100644
--- a/py4web/server_adapters.py
+++ b/py4web/server_adapters.py
@@ -134,10 +134,16 @@ def os_cmd (run_cmd ):
     if host.startswith('unix:/'):
         socket_path = host[5:]
         if os.path.exists(socket_path):
-            os_cmd ("ps -ef | head -1; ps -ef | grep py4web | grep -v grep")
-            os_cmd (f"ls -alFi {socket_path}")
-            print (f"reopen {socket_path}")
-        print (f'=== gunicorn listening at: {host} ===')
+            if port == 0:
+                os_cmd (f"ls -alFi {socket_path}")
+                sys.exit(f"can't run gunicorn: {socket_path} exists")
+            elif port == 1:
+                os_cmd ("ps -ef | head -1; ps -ef | grep py4web | grep -v grep")
+                os_cmd (f"ls -alFi {socket_path}")
+                os_cmd (f"lsof -w {socket_path}")
+            elif port == 8000:
+                pass
+        print (f'gunicorn listening at: {host}')
         return
 
     s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -145,7 +151,8 @@ def os_cmd (run_cmd ):
         s.bind((host, int(port) ))
     except socket.error as e:
         if e.errno == errno.EADDRINUSE:
-            os_cmd( f"command -v lsof >/dev/null 2>&1 && ps aux | grep py4web  && lsof -nPi:{port}" )
+            os_cmd( f"command -v lsof >/dev/null 2>&1 && ps -ef | head -1; ps -ef |"
+                    f" grep py4web | grep -v grep && lsof -nPi:{port}" )
             sys.exit(f"{host}:{port} is already in use")
         else:
             sys.exit(f"{e}\n{host}:{port} cannot be acessed")