diff --git a/modules/base_plugins/sensor.py b/modules/base_plugins/sensor.py
index 1d5f24d..2c11924 100644
--- a/modules/base_plugins/sensor.py
+++ b/modules/base_plugins/sensor.py
@@ -9,7 +9,7 @@ from modules.core.proptypes import Property
 
 import logging
 
-print "INit SENSOR"
+
 @cbpi.addon.sensor.type("Dummy Sensor")
 class Dummy(Sensor):
 
@@ -18,6 +18,7 @@ class Dummy(Sensor):
 
     def __init__(self):
         self.logger = logging.getLogger(__name__)
+        self.logger.info("INIT SENSOR")
 
     def init(self):
         if self.api.get_config_parameter("unit","C") == "C":
@@ -40,7 +41,9 @@ class Dummy(Sensor):
 
 @cbpi.addon.core.action(key="clear", label="Clear all Logs")
 def woohoo(cbpi):
-    print "COOL"
+    logger = logging.getLogger(__name__)
+    logger.info("COOL")
+
     dir = "./logs"
     test = os.listdir(dir)
 
diff --git a/modules/core/baseapi.py b/modules/core/baseapi.py
index 38eaa7a..6433eca 100755
--- a/modules/core/baseapi.py
+++ b/modules/core/baseapi.py
@@ -224,5 +224,5 @@ class CoreAPI(BaseAPI):
 
 class Buzzer(object):
 
-    def beep():
+    def beep(self):
         pass
\ No newline at end of file
diff --git a/modules/core/basetypes.py b/modules/core/basetypes.py
index 999d221..2e83eaf 100755
--- a/modules/core/basetypes.py
+++ b/modules/core/basetypes.py
@@ -14,13 +14,13 @@ class Base(object):
         self.value = None
         self.__dirty = False
 
+
 class Actor(Base):
-    def __init__(self):
-        self.logger = logging.getLogger(__name__)
+    __logger = logging.getLogger(__name__)
 
     @classmethod
     def init_global(cls):
-        print "GLOBAL INIT ACTOR"
+        cls.__logger.info("GLOBAL INIT ACTOR")
         pass
 
     def init(self):
@@ -30,15 +30,15 @@ class Actor(Base):
         pass
 
     def on(self, power=100):
-        self.logger.info("SWITCH ON")
+        self._logger.info("SWITCH ON")
         pass
 
     def off(self):
-        self.logger.info("SWITCH OFF")
+        self._logger.info("SWITCH OFF")
         pass
 
     def power(self, power):
-        self.logger.info("SET POWER TO [%s]", power)
+        self._logger.info("SET POWER TO [%s]", power)
         pass
 
     def state(self):
@@ -46,8 +46,7 @@ class Actor(Base):
 
 
 class Sensor(Base):
-    def __init__(self):
-        self.logger = logging.getLogger(__name__)
+    __logger = logging.getLogger(__name__)
 
     unit = ""
 
@@ -71,7 +70,7 @@ class Sensor(Base):
         self.cbpi.ws_emit("SENSOR_UPDATE", self.cbpi.cache["sensors"][self.id])
 
     def execute(self):
-        self.logger.info("EXECUTE")
+        self.__logger.info("EXECUTE")
         pass
 
 
@@ -81,9 +80,11 @@ class ControllerBase(object):
     __dirty = False
     __running = False
 
+    __logger = logging.getLogger(__name__)
+
     @staticmethod
     def init_global():
-        print "GLOBAL CONTROLLER INIT"
+        ControllerBase.__logger.info("GLOBAL CONTROLLER INIT")
 
     def notify(self, headline, message, type="success", timeout=5000):
         self.api.notify(headline, message, type, timeout)
diff --git a/modules/core/db_migrate.py b/modules/core/db_migrate.py
index 21d38e4..096166d 100644
--- a/modules/core/db_migrate.py
+++ b/modules/core/db_migrate.py
@@ -19,8 +19,8 @@ def execute_file(curernt_version, data):
                 conn.commit()
 
     except sqlite3.OperationalError as err:
-        print "EXCEPT"
-        print err
+        cbpi._app.logger.info("EXCEPT")
+        cbpi._app.logger.error(err)
 
 @cbpi.addon.core.initializer(order=-9999)
 def init(cbpi):
@@ -37,7 +37,7 @@ def init(cbpi):
             pass
         result = []
         for filename in os.listdir("./update"):
-            print filename
+            cbpi._app.logger.info(filename)
             if filename.endswith(".sql"):
                 d = {"version": int(filename[:filename.index('_')]), "file": filename}
                 result.append(d)
diff --git a/modules/example_plugins/WebViewJquery/__init__.py b/modules/example_plugins/WebViewJquery/__init__.py
index db896a9..aa29e7c 100644
--- a/modules/example_plugins/WebViewJquery/__init__.py
+++ b/modules/example_plugins/WebViewJquery/__init__.py
@@ -5,15 +5,19 @@ from flask_swagger import swagger
 from flask import json
 from flask import Blueprint
 
+import logging
+
 @addon.core.initializer(order=22)
 def web(cbpi):
 
+    logger = logging.getLogger(__name__)
+
     s = Blueprint('web_view', __name__, template_folder='templates', static_folder='static')
 
     @s.route('/',  methods=["GET"])
     def index():
         return s.send_static_file("index.html")
 
-    print "REGISTER"
+    logger.info("REGISTER")
     cbpi.addon.core.add_menu_link("JQuery View", "/web_view")
     cbpi._app.register_blueprint(s, url_prefix='/web_view')
diff --git a/modules/example_plugins/WebViewReactJs/__init__.py b/modules/example_plugins/WebViewReactJs/__init__.py
index 0c22b7e..8f6c607 100644
--- a/modules/example_plugins/WebViewReactJs/__init__.py
+++ b/modules/example_plugins/WebViewReactJs/__init__.py
@@ -5,8 +5,11 @@ from flask_swagger import swagger
 from flask import json
 from flask import Blueprint
 
+import logging
+
 @addon.core.initializer(order=22)
 def web(cbpi):
+    logger = logging.getLogger(__name__)
 
     s = Blueprint('webviewreact', __name__, template_folder='templates', static_folder='static')
 
@@ -14,6 +17,6 @@ def web(cbpi):
     def index():
         return s.send_static_file("index.html")
 
-    print "REGISTER"
+    logger.info("REGISTER")
     cbpi.addon.core.add_menu_link("ReactJS View", "/webviewreact")
     cbpi._app.register_blueprint(s, url_prefix='/webviewreact')
diff --git a/modules/login/__init__.py b/modules/login/__init__.py
index a7bc38b..a41e9d7 100644
--- a/modules/login/__init__.py
+++ b/modules/login/__init__.py
@@ -3,12 +3,14 @@ from flask import request
 
 from modules.core.core import cbpi, addon
 
+import logging
+
 class User(flask_login.UserMixin):
     pass
 
 @addon.core.initializer(order=0)
 def log(cbpi):
-
+    logger = logging.getLogger(__name__)
 
     cbpi._login_manager = flask_login.LoginManager()
     cbpi._login_manager.init_app(cbpi._app)
@@ -37,9 +39,8 @@ def log(cbpi):
 
     @cbpi._login_manager.user_loader
     def user_loader(user):
-
-        print cbpi.get_config_parameter("password_security", "NO")
-        print user
+        logger.debug(cbpi.get_config_parameter("password_security", "NO"))
+        logger.debug(user)
 
         if cbpi.get_config_parameter("password_security", "NO") == "YES":
             if user != "craftbeerpi":
diff --git a/modules/ui/__init__.py b/modules/ui/__init__.py
index 975bf07..09b9189 100755
--- a/modules/ui/__init__.py
+++ b/modules/ui/__init__.py
@@ -2,7 +2,10 @@ from flask import Blueprint,render_template
 
 from modules.core.core import cbpi
 
+import logging
+
 react = Blueprint('ui', __name__, template_folder='templates', static_folder='static')
+__logger = logging.getLogger(__name__)
 
 @cbpi.addon.core.initializer(order=10)
 def init(cbpi):
@@ -11,13 +14,13 @@ def init(cbpi):
 
 @react.route('/',  methods=["GET"])
 def index():
-    #return react.send_static_file("index.html")
+    # return react.send_static_file("index.html")
 
     js_files = []
     for key, value in cbpi.cache["js"].iteritems():
         js_files.append(value)
 
-    print js_files
+    __logger.info(js_files)
     return render_template('index.html', js_files=js_files)