diff --git a/.gitignore b/.gitignore
index 1a5131adc3efc7536ed87ffdbf56f5363b1d8ab2..094a66afd2926b705af8af6c87a4fc7d312f4875 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,5 @@
 *~
 *.swp
 __pycache__
+
+/prog/client_config.py
diff --git a/dokumentace.md b/dokumentace.md
index c70ba034b29bffd30bc5eda30f9964a19ab8866a..c862900b6ab9ea7eb92949ea729d9f5aefb83266 100644
--- a/dokumentace.md
+++ b/dokumentace.md
@@ -164,7 +164,7 @@ Pak už stačí jen spustit příslušné servery. V `systemd/init.sh` je script
 
 Pro běh klienta je nutné nainstalovat python, QGis (pyqgis), Qt5 (PyQt), python-cbor2, python-qasync, python-matplotlib a zstd.
 
-Dále je nutné mít přístup na server, ten se konfiguruje v `prog/client-config.py` (vzor v `prog/client-config.py.example`).
+Dále je nutné mít přístup na server, ten se konfiguruje v `prog/client_config.py` (vzor v `prog/client_config.py.example`).
 
 Klient se spouští pomocí `prog/main.py`.
 
diff --git a/prog/client_config.py.example b/prog/client_config.py.example
new file mode 100644
index 0000000000000000000000000000000000000000..ea5276d05df97afba5c53cb090b9c932f559c459
--- /dev/null
+++ b/prog/client_config.py.example
@@ -0,0 +1,15 @@
+import communication
+
+communication.debug = True
+# Enable communication debuging
+
+c = None
+async def get_communication():
+    # This function must return communication.MainServer connected to your server
+    # Multiple calls to this function should return the same connection
+
+    global c
+    cmd='ssh jr@externalArch.jk.dyn.blatto.eu /mnt/jr/jr/prog/run_py server.py'
+    socket = await communication.SSHRunSocket().connect(cmd)
+    c = communication.MainServer(socket)
+    return c
diff --git a/prog/main.py b/prog/main.py
index a966db35ff7c0e504e1961e317b983ccc04bd886..29d067c581232d6cca3326aa2b6691d277e26661 100755
--- a/prog/main.py
+++ b/prog/main.py
@@ -28,6 +28,9 @@ import gtfs
 
 import math
 
+import client_config
+from client_config import get_communication
+
 
 window_title_prefix = "PID realtime"
 
@@ -112,12 +115,7 @@ def no_space(lay):
 
 
 
-communications = {}
-async def get_communication(cmd='ssh jr@rpi0.jk.dyn.blatto.eu /aux/jr/prog/run_py server.py'):
-    if cmd not in communications:
-        s = await communication.SSHRunSocket().connect(cmd)
-        communications[cmd] = communication.MainServer(s)
-    return communications[cmd]
+
 
 async def gtfs_default_data_getter(date, filename):
     c =  await get_communication()