diff --git a/config_example/config.py b/config_example/config.py
index 6dbf30b..c9017c8 100644
--- a/config_example/config.py
+++ b/config_example/config.py
@@ -5,10 +5,10 @@ import report
 
 __BASEPATH__ = os.path.abspath(os.path.dirname(__file__))
 
-MQTT_USER = "mqtt_username"
-MQTT_PASS = "mqtt_password"
-MQTT_SERVER = "mqtt_server"
-MQTT_TOPIC = "mqtt_topic"
+MQTT_SERVER = "<mqtt_smarthome_hostname>"
+MQTT_USER = "<mqtt_smarthome_username>"
+MQTT_PASS = "<mqtt_smarthome_password>"
+MQTT_TOPIC = "<mqtt_ambient_info_topic>"
 
 DAT_PATH_DHT = None     # os.path.join(__BASEPATH__, 'dat', 'dht')
 DAT_PATH_BMP = None     # os.path.join(__BASEPATH__, 'dat', 'bmp')
diff --git a/init_venv b/init_venv
new file mode 100755
index 0000000..428ff04
--- /dev/null
+++ b/init_venv
@@ -0,0 +1,8 @@
+#!/bin/sh
+#
+BASEPATH=`realpath $(dirname $0)`
+
+python3 -m venv $BASEPATH/venv
+$BASEPATH/venv/bin/pip install --upgrade pip
+find $BASEPATH -name requirements.txt | xargs -L 1 $BASEPATH/venv/bin/pip install -r
+$BASEPATH/venv/bin/pip list --outdated --format=json | jq -r '.[] | .name'|xargs -n1 $BASEPATH/venv/bin/pip install -U