diff --git a/bin/linspector b/bin/linspector
index b7ec7f6..b6c8bb3 100755
--- a/bin/linspector
+++ b/bin/linspector
@@ -29,16 +29,17 @@ import sys
 
 from linspector.core.configuration import Configuration
 from linspector.core.environment import Environment
+from linspector.core.helpers import log
 from linspector.core.linspector import Linspector
 from linspector.core.monitors import Monitors
 
+logger = logging.getLogger('linspector')
+
 # i currently only increase the 3rd number because the goal is that 0.19 will become the first
 # stable version.
-__version__ = '0.19.30.dev1'
+__version__ = '0.19.31.dev1'
 __author__ = 'Johannes Findeisen <you@hanez.org>'
 
-logger = logging.getLogger('linspector')
-
 
 def parse_args():
     parser = argparse.ArgumentParser(
@@ -95,7 +96,7 @@ def main():
         logger.addHandler(stdout_handler)
 
     try:
-        configuration = Configuration(args.configuration_path, environment)
+        configuration = Configuration(args.configuration_path, environment, log)
         logger.debug('configuration dump: ' + configuration.dump_to_ini())
     except Exception as err:
         logger.critical('[linspector] configuration error: {0}'.format(err))
@@ -132,25 +133,30 @@ def main():
         log_file_handler.setFormatter(log_file_formatter)
         logger.addHandler(log_file_handler)
 
+    log_level = 'None'
     # critical errors will always show up even when no log_level is set. this is most silent.
     logger.setLevel(logging.CRITICAL)
-    log_level = configuration.get_option('linspector', 'log_level')
-    if log_level == "error":
-        logger.setLevel(logging.ERROR)
-    elif log_level == "warning":
-        logger.setLevel(logging.WARNING)
-    elif log_level == "info":
-        logger.setLevel(logging.INFO)
-    elif log_level == "debug":
-        logger.setLevel(logging.DEBUG)
+    if configuration.get_option('linspector', 'log_level'):
+        log_level = str(configuration.get_option('linspector', 'log_level'))
+        if log_level == "error":
+            logger.setLevel(logging.ERROR)
+        elif log_level == "warning":
+            logger.setLevel(logging.WARNING)
+        elif log_level == "info":
+            logger.setLevel(logging.INFO)
+        elif log_level == "debug":
+            logger.setLevel(logging.DEBUG)
+        #elif configuration.get_option('linspector', 'log_level') != 'error' != 'warning' \
+        #        != 'info' != 'debug':
+        #    logger.warning('[linspector] log level: "' + log_level + '" not found!')
 
     try:
-        monitors = Monitors(configuration, environment, notifications, services, tasks)
+        monitors = Monitors(configuration, environment, log, notifications, services, tasks)
     except Exception as err:
         logger.warning('[linspector] monitor initialization error: {0}'.format(err))
 
     try:
-        linspector = Linspector(configuration, environment, monitors, plugins, scheduler)
+        linspector = Linspector(configuration, environment, log, monitors, plugins, scheduler)
         #linspector.print_debug()
     except Exception as err:
         logger.critical('[linspector] core initialization error: {0}'.format(err))
diff --git a/etc/linspector.conf b/etc/linspector.conf
index 35ad480..e07ec71 100644
--- a/etc/linspector.conf
+++ b/etc/linspector.conf
@@ -2,24 +2,24 @@
 [linspector]
 ; report core errors to the following users
 error_receivers = admin@example.com
-; available log levels are: "error", "warning", "info" and "debug".
+; available log levels are: "error", "warning", "info" and "debug". if no log_level is set, it will be critical only.
 log_level= debug
 log_file = ~/code/linspector/linspector/log/linspector.log
-; number of log files to be kept. i recommend to use the lowest sensible value for keeping performance hight. so set
+; number of log files to be kept. i recommend to use the lowest sensible value for keeping performance high. so set
 ; the size of the log file higher to increase the log history.
-log_file_count = 50
+log_file_count = 25
 ; log file size in megabytes as float.
-log_file_size = 1
+;log_file_size = 1
 ; log file size in bytes as int. you can set to bytes if you want to set a value lower then 1 megabyte. but it will
 ; only be used when log_file_size is not set.
-log_file_size_bytes = 10485760
+;log_file_size_bytes = 10485760
 pid_file = /var/run/user/1000/linspector.pid
-; plugins separated by ','. no whitespaces allowed. not case sensitive.
+; plugins separated by ','. no whitespaces allowed! not case sensitive.
 plugins = Lish,HTTPServer
 ; globally configured tasks will always run on all monitors when no task is configured there. if tasks are configured in
 ; a monitor then maybe only run tasks from the dedicated monitor. maybe it is a good idea to run global tasks in every
 ; monitor and the monitor can add tasks to the global settings... need to think about it.
-; tasks separated by ','. no whitespaces allowed
+; tasks separated by ','. no whitespaces allowed! not case sensitive.
 tasks = SQLite
 notifications = SMS
 ; maybe the run_mode is obsolete because this will be a daemon but maybe it is useful for one time execution?
@@ -37,8 +37,9 @@ start_scheduler = true
 scheduler_mode = process
 max_threads = 2048
 ; i recommend to set this to your number of CPU cores available when running on a dedicated Linspector host. but if the
-; system is running other services you should lower this value when you have too high CPU load.
-max_processes = 24
+; system is running other services you should lower this value when you have too high CPU load. if you have enough
+; resources this value really can be higher then your available CPU cores.
+max_processes = 48
 ; if timezone is not set, UTC is used by default.
 timezone = CET
 ; this is for scheduling jobs to not run all at the same time. this should be set to the lowest interval you use. it
diff --git a/etc/monitors/network1/gateway.conf b/etc/monitors/network1/gateway.conf
index a68d8ec..3a16301 100644
--- a/etc/monitors/network1/gateway.conf
+++ b/etc/monitors/network1/gateway.conf
@@ -5,6 +5,7 @@
 description = Cable Provider
 service = net.fritzboxuplink
 hosts = 192.168.0.1,192.168.23.24,@group1,@testgroup1
+; this only depends on the SLA you made with the product owner.
 interval = 60
 
 ; optional options when using notifications, plugins, services or tasks. btw. they still can be a required argument by
diff --git a/linspector/core/configuration.py b/linspector/core/configuration.py
index 55c4de0..70c5b1b 100644
--- a/linspector/core/configuration.py
+++ b/linspector/core/configuration.py
@@ -7,17 +7,16 @@ import configparser
 import glob
 import os
 
-from linspector.core.helpers import log
-
 
 # TODO: check for all required configuration options and set defaults if needed. do this only for
 #  options in the "linspector" section of linspector.ini.
 class Configuration:
 
-    def __init__(self, configuration_path, environment):
+    def __init__(self, configuration_path, environment, log):
         self.__configuration = configparser.ConfigParser()
         self.__configuration_path = configuration_path
         self.__environment = environment
+        self.__log = log
 
         log('info', 'reading configuration file: ' + configuration_path + '/linspector.conf')
         if os.path.isfile(configuration_path + '/linspector.conf'):
@@ -38,7 +37,7 @@ class Configuration:
 
             section_list = glob.glob(configuration_path + '/' + target_section + '/*.conf')
             for section_file in section_list:
-                #print(__file__ + ' (45): ' + section_file)
+                log('debug', 'reading section file: ' + section_file)
                 configuration = configparser.ConfigParser()
                 configuration.read(section_file, 'utf-8')
                 for source_section in configuration.sections():
diff --git a/linspector/core/linspector.py b/linspector/core/linspector.py
index 6f98691..966b12a 100644
--- a/linspector/core/linspector.py
+++ b/linspector/core/linspector.py
@@ -11,19 +11,17 @@ from apscheduler.schedulers.background import BackgroundScheduler
 from apscheduler.jobstores.memory import MemoryJobStore
 from apscheduler.executors.pool import ThreadPoolExecutor, ProcessPoolExecutor
 
-from linspector.core.helpers import log
-
 
 def job_function(monitor):
     monitor.handle_call()
 
 
 class Linspector:
-
-    def __init__(self, configuration, environment, monitors, plugins, scheduler):
+    def __init__(self, configuration, environment, log, monitors, plugins, scheduler):
         self.__configuration = configuration
         self.__environment = environment
         self.__jobs = []
+        self.__log = log
         self.__monitors = monitors
         self.__plugin_list = []
         self.__plugins = plugins
diff --git a/linspector/core/monitor.py b/linspector/core/monitor.py
index ce884fa..2ec45da 100644
--- a/linspector/core/monitor.py
+++ b/linspector/core/monitor.py
@@ -10,19 +10,19 @@ import importlib
 from datetime import datetime
 from binascii import crc32
 
-from linspector.core.helpers import log
 from linspector.core.task import Task, TaskExecutor
 
 
 class Monitor:
 
-    def __init__(self, configuration, environment, identifier, monitor_configuration, notifications,
-                 services, tasks, kwargs):
+    def __init__(self, configuration, environment, identifier, log, monitor_configuration,
+                 notifications, services, tasks, kwargs):
         self.__args = kwargs
         self.__configuration = configuration
         self.__environment = environment
         self.__identifier = identifier
         self.__interval = int(monitor_configuration.get('monitor', 'interval'))
+        self.__log = log
         self.__monitor_configuration = monitor_configuration
         self.__notification_list = []
         self.__notifications = notifications
@@ -30,7 +30,6 @@ class Monitor:
         self.__services = services
         self.__task_list = []  # put tasks for the dedicated job here.
         self.__tasks = tasks
-
         self.service = self.__service
         self.host = monitor_configuration.get('monitor', 'hosts')
 
@@ -83,7 +82,7 @@ class Monitor:
                 if notification_option not in notifications:
                     notification_package = 'linspector.notifications.' + notification_option.lower()
                     notification_module = importlib.import_module(notification_package)
-                    notification = notification_module.create(configuration, environment)
+                    notification = notification_module.create(configuration, environment, log)
                     notifications[notification_option.lower()] = notification
         except configparser.NoOptionError as err:
             self.__notifications = notifications
@@ -95,7 +94,7 @@ class Monitor:
 
                 service_module = importlib.import_module(service_package)
                 self.__service = monitor_configuration.get('monitor', 'service').lower()
-                service = service_module.create(configuration, environment)
+                service = service_module.create(configuration, environment, log)
                 self.__services[monitor_configuration.get('monitor', 'service').lower()] = service
         try:
             if configuration.get_option('linspector', 'tasks') or \
@@ -119,7 +118,7 @@ class Monitor:
                     if task_option not in tasks:
                         task_package = 'linspector.tasks.' + task_option.lower()
                         task_module = importlib.import_module(task_package)
-                        task = task_module.create(configuration, environment)
+                        task = task_module.create(configuration, environment, log)
                         tasks[task_option.lower()] = task
         except configparser.NoOptionError:
             self.__tasks = tasks
@@ -194,13 +193,13 @@ class Monitor:
     def handle_tasks(self, monitor_information):
         for task in self.__tasks:
             if self.status.lower() in task.get_task_type().lower():
-                log('debug', 'executing task of type: ' + self.status)
+                self.__log('debug', 'executing task of type: ' + self.status)
                 # tasks can but should not be executed here. putting them in a queue is the better
                 # solution to execute them in a serial process.
                 #TaskExecutor.instance().schedule_task(monitor_information, task)
 
     def handle_call(self):
-        log('info', 'handle call to monitor with identifier: ' + self.__identifier)
+        self.__log('info', 'handle call to monitor with identifier: ' + self.__identifier)
         #logger.debug("handle call")
         #logger.debug(self.service)
         if self.enabled:
@@ -210,7 +209,7 @@ class Monitor:
                 #self.__services[self.__service].execute(self.last_execution)
                 self.__services[self.__service].execute(**self.__args)
             except Exception as err:
-                log('error', err)
+                self.__log('error', err)
 
             #self.last_execution.set_execution_end()
 
@@ -226,7 +225,7 @@ class Monitor:
 
             #self.handle_tasks(self.monitor_information)
         else:
-            log('info', "job " + self.get_job_id() + " disabled")
+            self.__log('info', "job " + self.get_job_id() + " disabled")
 
     def get_host(self):
         return self.host
diff --git a/linspector/core/monitors.py b/linspector/core/monitors.py
index 1581ae9..549e51e 100644
--- a/linspector/core/monitors.py
+++ b/linspector/core/monitors.py
@@ -9,17 +9,16 @@ import glob
 import os
 
 from linspector.core.monitor import Monitor
-from linspector.core.helpers import log
 
 
 # monitors may could / should be added (and maybe changed) at runtime to add new monitors without
 # restarting the daemon. maybe add a reset function to each monitor to reset the monitor at runtime
 # when changed dynamically.
 class Monitors:
-
-    def __init__(self, configuration, environment, notifications, services, tasks):
+    def __init__(self, configuration, environment, log, notifications, services, tasks):
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
         self.__monitors = {}
 
         monitor_groups = os.listdir(self.__configuration.get_configuration_path() + '/monitors/')
@@ -39,7 +38,9 @@ class Monitors:
                 kwargs = {}
                 for option in monitor_configuration.options('args'):
                     value = monitor_configuration.get('args', option)
-                    #log('debug', 'added option to kwargs: ' + option + ' = ' + value)
+                    log('debug', 'added option in ' + identifier + ' to kwargs: ' + option + ' = '
+                        + value)
+
                     kwargs[option] = value
 
                 if kwargs:
@@ -51,7 +52,7 @@ class Monitors:
                 # create Monitor() object and copy monitor_configuration for each instance because
                 # they else refer to the same object.
                 self.__monitors[identifier] = Monitor(configuration, environment, identifier,
-                                                      monitor_configuration, notifications,
+                                                      log, monitor_configuration, notifications,
                                                       services, tasks, copy.deepcopy(kwargs))
 
                 del kwargs
diff --git a/linspector/core/notification.py b/linspector/core/notification.py
index a5b73fb..04e0f0f 100644
--- a/linspector/core/notification.py
+++ b/linspector/core/notification.py
@@ -3,12 +3,11 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 
 
 class Notification:
-
-    def __init__(self, configuration, environment):
+    def __init__(self, configuration, environment, log):
         super().__init__()
         self.__configuration = configuration
-        self._environment = environment
+        self.__environment = environment
+        self.__log = log
diff --git a/linspector/core/service.py b/linspector/core/service.py
index 8daa76a..a423d7e 100644
--- a/linspector/core/service.py
+++ b/linspector/core/service.py
@@ -3,11 +3,10 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 
 
 class Service:
-
-    def __init__(self, configuration, environment):
+    def __init__(self, configuration, environment, log):
         self.__configuration = configuration
         self._environment = environment
+        self.__log = log
diff --git a/linspector/core/task.py b/linspector/core/task.py
index 20b8039..6b84d2f 100644
--- a/linspector/core/task.py
+++ b/linspector/core/task.py
@@ -6,7 +6,6 @@ See LICENSE (MIT license)
 from queue import Queue
 from threading import Event, Thread
 
-from linspector.core.helpers import log
 from linspector.core.singleton import Singleton
 
 KEY_TYPE = "type"
@@ -15,11 +14,12 @@ KEY_CLASS = "class"
 
 
 class Task:
-    def __init__(self, configuration, environment, **kwargs):
+    def __init__(self, configuration, environment, log, **kwargs):
+        self._args = {}
         self.__configuration = configuration
         self._environment = environment
+        self.__log = log
 
-        self._args = {}
         if KEY_ARGS in kwargs:
             self.add_arguments(kwargs[KEY_ARGS])
         elif self.needs_arguments():
@@ -66,7 +66,10 @@ class Task:
 # when tasks are being implemented.
 @Singleton
 class TaskExecutor:
-    def __init__(self):
+    def __init__(self, configuration, environment, log):
+        self.__configuration = configuration
+        self.__environment = environment
+        self.__log = log
         self.queue = Queue()
         self.taskInfos = []
         task_thread = Thread(target=self._run_worker_thread)
@@ -81,12 +84,12 @@ class TaskExecutor:
             try:
                 msg, task = self.queue.get()
                 if task:
-                    log('debug', "starting task execution...")
+                    self.__log('debug', "starting task execution...")
                     #task.execute(msg)
                 self.queue.task_done()
 
             except Exception as err:
-                log('error', "error " + str(err))
+                self.__log('error', "error " + str(err))
 
     def is_instant_end(self):
         return self._instantEnd
diff --git a/linspector/notifications/call.py b/linspector/notifications/call.py
index 29729a0..eaf7c9c 100644
--- a/linspector/notifications/call.py
+++ b/linspector/notifications/call.py
@@ -3,17 +3,16 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.notification import Notification
 
 
-def create(configuration, environment):
-    return CallNotification(configuration, environment)
+def create(configuration, environment, log):
+    return CallNotification(configuration, environment, log)
 
 
 class CallNotification(Notification):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
diff --git a/linspector/notifications/email.py b/linspector/notifications/email.py
index d57616d..27ca6e8 100644
--- a/linspector/notifications/email.py
+++ b/linspector/notifications/email.py
@@ -3,17 +3,16 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.notification import Notification
 
 
-def create(configuration, environment):
-    return EmailNotification(configuration, environment)
+def create(configuration, environment, log):
+    return EmailNotification(configuration, environment, log)
 
 
 class EmailNotification(Notification):
-
-    def __init__(self, configuration, environment):
+    def __init__(self, configuration, environment, log):
         super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
diff --git a/linspector/notifications/sms.py b/linspector/notifications/sms.py
index 80f3dcf..03e8615 100644
--- a/linspector/notifications/sms.py
+++ b/linspector/notifications/sms.py
@@ -5,17 +5,16 @@ See LICENSE (MIT license)
 """
 import gammu
 
-from linspector.core.helpers import log
 from linspector.core.notification import Notification
 
 
-def create(configuration, environment):
-    return SMSNotification(configuration, environment)
+def create(configuration, environment, log):
+    return SMSNotification(configuration, environment, log)
 
 
 class SMSNotification(Notification):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
diff --git a/linspector/notifications/twitter.py b/linspector/notifications/twitter.py
index f92018c..0bb6768 100644
--- a/linspector/notifications/twitter.py
+++ b/linspector/notifications/twitter.py
@@ -3,17 +3,16 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.notification import Notification
 
 
-def create(configuration, environment):
-    return TwitterNotification(configuration, environment)
+def create(configuration, environment, log):
+    return TwitterNotification(configuration, environment, log)
 
 
 class TwitterNotification(Notification):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
diff --git a/linspector/notifications/xmpp.py b/linspector/notifications/xmpp.py
index 1c98707..473f6a5 100644
--- a/linspector/notifications/xmpp.py
+++ b/linspector/notifications/xmpp.py
@@ -5,17 +5,16 @@ See LICENSE (MIT license)
 """
 import xmpp
 
-from linspector.core.helpers import log
 from linspector.core.notification import Notification
 
 
-def create(configuration, environment):
-    return XMPPNotification(configuration, environment)
+def create(configuration, environment, log):
+    return XMPPNotification(configuration, environment, log)
 
 
 class XMPPNotification(Notification):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
diff --git a/linspector/services/http/httpkeyword.py b/linspector/services/http/httpkeyword.py
index c2620f0..f12101c 100644
--- a/linspector/services/http/httpkeyword.py
+++ b/linspector/services/http/httpkeyword.py
@@ -3,20 +3,19 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return HTTPKeywordService(configuration, environment)
+def create(configuration, environment, log):
+    return HTTPKeywordService(configuration, environment, log)
 
 
 class HTTPKeywordService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
         return
diff --git a/linspector/services/misc/dummy.py b/linspector/services/misc/dummy.py
index 1c2ecac..5b592b8 100644
--- a/linspector/services/misc/dummy.py
+++ b/linspector/services/misc/dummy.py
@@ -3,22 +3,21 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return DummyService(configuration, environment)
+def create(configuration, environment, log):
+    return DummyService(configuration, environment, log)
 
 
 class DummyService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
-        log('debug', 'DummyService object ' + str(self) + ' using kwargs: ' + str(kwargs))
+        self.__log('debug', 'DummyService object ' + str(self) + ' using kwargs: ' + str(kwargs))
         #log('debug', 'dummy object @' + str(self) + str(self.__kwargs['foo']))
         return
diff --git a/linspector/services/misc/random.py b/linspector/services/misc/random.py
index c88286a..50cdba5 100644
--- a/linspector/services/misc/random.py
+++ b/linspector/services/misc/random.py
@@ -3,20 +3,19 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return RandomService(configuration, environment)
+def create(configuration, environment, log):
+    return RandomService(configuration, environment, log)
 
 
 class RandomService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
         return
diff --git a/linspector/services/net/fritzboxphonestatus.py b/linspector/services/net/fritzboxphonestatus.py
index 291c29d..e470a8a 100644
--- a/linspector/services/net/fritzboxphonestatus.py
+++ b/linspector/services/net/fritzboxphonestatus.py
@@ -5,21 +5,20 @@ See LICENSE (MIT)
 """
 from fritzconnection.lib.fritzstatus import FritzStatus
 
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return FritzboxPhoneStatusService(configuration, environment)
+def create(configuration, environment, log):
+    return FritzboxPhoneStatusService(configuration, environment, log)
 
 
 class FritzboxPhoneStatusService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
-        log('debug', 'FritzboxPhoneStatusService object ' + str(self))
+        self.__log('debug', 'FritzboxPhoneStatusService object ' + str(self))
         return
diff --git a/linspector/services/net/fritzboxuplink.py b/linspector/services/net/fritzboxuplink.py
index c5ac24b..11b5ba6 100644
--- a/linspector/services/net/fritzboxuplink.py
+++ b/linspector/services/net/fritzboxuplink.py
@@ -5,21 +5,20 @@ See LICENSE (MIT)
 """
 from fritzconnection.lib.fritzstatus import FritzStatus
 
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return FritzboxUplinkService(configuration, environment)
+def create(configuration, environment, log):
+    return FritzboxUplinkService(configuration, environment, log)
 
 
 class FritzboxUplinkService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
-        log('debug', 'FritzboxUplinkService object ' + str(self) + ' using kwargs: ' + str(kwargs))
+        self.__log('debug', 'FritzboxUplinkService object ' + str(self) + ' using kwargs: ' + str(kwargs))
         return
diff --git a/linspector/services/net/ping.py b/linspector/services/net/ping.py
index e675e03..b9e2e22 100644
--- a/linspector/services/net/ping.py
+++ b/linspector/services/net/ping.py
@@ -3,20 +3,19 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return PingService(configuration, environment)
+def create(configuration, environment, log):
+    return PingService(configuration, environment, log)
 
 
 class PingService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
         return
diff --git a/linspector/services/net/port.py b/linspector/services/net/port.py
index 3cf9c54..2e3f6f7 100644
--- a/linspector/services/net/port.py
+++ b/linspector/services/net/port.py
@@ -5,20 +5,19 @@ See LICENSE (MIT license)
 """
 import socket
 
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return PortService(configuration, environment)
+def create(configuration, environment, log):
+    return PortService(configuration, environment, log)
 
 
 class PortService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, execution, **kwargs):
 
diff --git a/linspector/services/net/speedtest.py b/linspector/services/net/speedtest.py
index 3435cdf..b6ec5b2 100644
--- a/linspector/services/net/speedtest.py
+++ b/linspector/services/net/speedtest.py
@@ -7,20 +7,19 @@ import calendar
 import requests
 import time
 
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return SpeedtestService(configuration, environment)
+def create(configuration, environment, log):
+    return SpeedtestService(configuration, environment, log)
 
 
 class SpeedtestService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
         self.__speedtest_maximum_speed = None
         self.__speedtest_average_speed = None
@@ -65,10 +64,10 @@ class SpeedtestService(Service):
                 self.__speedtest_time_elapsed = time.perf_counter() - start
                 self.__environment.set_env_var('_speedtest_time_elapsed',
                                                str(self.__speedtest_time_elapsed))
-                logger.info('speedtest average: ' + str(self.__speedtest_average_speed) +
-                            ', max: ' + str(self.__speedtest_maximum_speed) +
-                            ', time: ' + str(self.__speedtest_time_elapsed))
+                self.__log('info', 'speedtest average: ' + str(self.__speedtest_average_speed) +
+                           ', max: ' + str(self.__speedtest_maximum_speed) +
+                           ', time: ' + str(self.__speedtest_time_elapsed))
             else:
-                logger.warning('could not calculate download speed!')
+                self.__log('warning', 'could not calculate download speed!')
 
             time.sleep(self.__configuration.get_speedtest_interval())
diff --git a/linspector/services/net/ssh.py b/linspector/services/net/ssh.py
index b8f552d..329c333 100644
--- a/linspector/services/net/ssh.py
+++ b/linspector/services/net/ssh.py
@@ -7,20 +7,19 @@ import os
 import paramiko
 import pprint
 
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return SSHService(configuration, environment)
+def create(configuration, environment, log):
+    return SSHService(configuration, environment, log)
 
 
 class SSHService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
         path = os.path.join(os.environ['HOME'], '.ssh', 'id_rsa')
diff --git a/linspector/services/net/tcpconnect.py b/linspector/services/net/tcpconnect.py
index 1bc7916..951c906 100644
--- a/linspector/services/net/tcpconnect.py
+++ b/linspector/services/net/tcpconnect.py
@@ -3,21 +3,20 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return TCPConnectService(configuration, environment)
+def create(configuration, environment, log):
+    return TCPConnectService(configuration, environment, log)
 
 
 # TODO: check for all required configuration options and set defaults if needed.
 class TCPConnectService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
         return
diff --git a/linspector/services/snmp/get.py b/linspector/services/snmp/get.py
index 72abaab..c2b1227 100644
--- a/linspector/services/snmp/get.py
+++ b/linspector/services/snmp/get.py
@@ -5,20 +5,19 @@ See LICENSE (MIT license)
 """
 from pysnmp.entity.rfc3413.oneliner import cmdgen
 
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return GetService(configuration, environment)
+def create(configuration, environment, log):
+    return GetService(configuration, environment, log)
 
 
 class GetService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
         return
diff --git a/linspector/services/sys/shell.py b/linspector/services/sys/shell.py
index c244407..ed54ba2 100644
--- a/linspector/services/sys/shell.py
+++ b/linspector/services/sys/shell.py
@@ -3,21 +3,19 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment):
-    return ShellService(configuration, environment)
+def create(configuration, environment, log):
+    return ShellService(configuration, environment, log)
 
 
 class ShellService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
         return
-
diff --git a/linspector/services/sys/uptime.py b/linspector/services/sys/uptime.py
index 42ee401..74d1202 100644
--- a/linspector/services/sys/uptime.py
+++ b/linspector/services/sys/uptime.py
@@ -3,20 +3,19 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def get(configuration, environment):
-    return UptimeService(configuration, environment)
+def get(configuration, environment, log):
+    return UptimeService(configuration, environment, log)
 
 
 class UptimeService(Service):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
 
     def execute(self, **kwargs):
         return
diff --git a/linspector/tasks/csv.py b/linspector/tasks/csv.py
index 82c3d52..e9896ef 100644
--- a/linspector/tasks/csv.py
+++ b/linspector/tasks/csv.py
@@ -3,18 +3,17 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.task import Task
 
 
-def create(configuration, environment):
-    return CSVTask(configuration, environment)
+def create(configuration, environment, log):
+    return CSVTask(configuration, environment, log)
 
 
 # TODO: check for all required configuration options and set defaults if needed.
 class CSVTask(Task):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
diff --git a/linspector/tasks/filelogger.py b/linspector/tasks/filelogger.py
index 10179be..67fecc1 100644
--- a/linspector/tasks/filelogger.py
+++ b/linspector/tasks/filelogger.py
@@ -3,18 +3,18 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.task import Task
 
 
-def create(configuration, environment):
-    return FileLoggerTask(configuration, environment)
+def create(configuration, environment, log):
+    return FileLoggerTask(configuration, environment, log)
 
 
 # TODO: check for all required configuration options and set defaults if needed.
 class FileLoggerTask(Task):
 
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
diff --git a/linspector/tasks/mariadb.py b/linspector/tasks/mariadb.py
index 49b0122..12bd4a6 100644
--- a/linspector/tasks/mariadb.py
+++ b/linspector/tasks/mariadb.py
@@ -3,18 +3,17 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.task import Task
 
 
-def create(configuration, environment):
-    return MariaDBTask(configuration, environment)
+def create(configuration, environment, log):
+    return MariaDBTask(configuration, environment, log)
 
 
 # TODO: check for all required configuration options and set defaults if needed.
 class MariaDBTask(Task):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
diff --git a/linspector/tasks/redis.py b/linspector/tasks/redis.py
index 11d2918..6562e5f 100644
--- a/linspector/tasks/redis.py
+++ b/linspector/tasks/redis.py
@@ -3,18 +3,17 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.task import Task
 
 
-def create(configuration, environment):
-    return RedisTask(configuration, environment)
+def create(configuration, environment, log):
+    return RedisTask(configuration, environment, log)
 
 
 # TODO: check for all required configuration options and set defaults if needed.
 class RedisTask(Task):
-
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log
diff --git a/linspector/tasks/sqlite.py b/linspector/tasks/sqlite.py
index 03cb3b1..2bd32d7 100644
--- a/linspector/tasks/sqlite.py
+++ b/linspector/tasks/sqlite.py
@@ -3,18 +3,18 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-from linspector.core.helpers import log
 from linspector.core.task import Task
 
 
-def create(configuration, environment):
-    return SQLiteTask(configuration, environment)
+def create(configuration, environment, log):
+    return SQLiteTask(configuration, environment, log)
 
 
 # TODO: check for all required configuration options and set defaults if needed.
 class SQLiteTask(Task):
 
-    def __init__(self, configuration, environment):
-        super().__init__(configuration, environment)
+    def __init__(self, configuration, environment, log):
+        super().__init__(configuration, environment, log)
         self.__configuration = configuration
         self.__environment = environment
+        self.__log = log