diff --git a/opt/ahenk/base/registration/Registration.py b/opt/ahenk/base/registration/Registration.py
index 2bce7a5..9cb3448 100644
--- a/opt/ahenk/base/registration/Registration.py
+++ b/opt/ahenk/base/registration/Registration.py
@@ -105,8 +105,8 @@ class Registration():
             'os.distributionVersion': System.Os.distribution_version(),
             'os.architecture': System.Os.architecture(),
             'hardware.cpu.architecture': System.Hardware.Cpu.architecture(),
-            'hardware.cpu.logicalCoreCount': System.Hardware.Cpu.logical_core_count(),
-            'hardware.cpu.physicalCoreCount': System.Hardware.Cpu.physical_core_count(),
+            # 'hardware.cpu.logicalCoreCount': System.Hardware.Cpu.logical_core_count(),
+            # 'hardware.cpu.physicalCoreCount': System.Hardware.Cpu.physical_core_count(),
             'hardware.disk.total': System.Hardware.Disk.total(),
             'hardware.disk.used': System.Hardware.Disk.used(),
             'hardware.disk.free': System.Hardware.Disk.free(),
diff --git a/opt/ahenk/base/system/system.py b/opt/ahenk/base/system/system.py
index 761f4bd..9edccc9 100644
--- a/opt/ahenk/base/system/system.py
+++ b/opt/ahenk/base/system/system.py
@@ -4,11 +4,17 @@
 
 import platform
 import psutil
-import cpuinfo
+# import cpuinfo
 import re
 import os
 import configparser
-
+import socket
+import fcntl
+import struct
+from uuid import getnode as get_mac
+"""
+some functions closed because of dependency management
+"""
 
 class System:
     class Ahenk(object):
@@ -58,18 +64,14 @@ class System:
 
         @staticmethod
         def is_running():
-
             try:
                 if System.Ahenk.get_pid_number() is not None:
-                    if psutil.Process(int(System.Ahenk.get_pid_number())).is_running() is True:
-                        return True
+                    return psutil.pid_exists(int(System.Ahenk.get_pid_number()))
                 else:
                     return False
             except Exception as e:
                 return False
 
-
-
         @staticmethod
         def config_path():
             return '/etc/ahenk/ahenk.conf'
@@ -80,6 +82,11 @@ class System:
 
     class Process(object):
 
+        @staticmethod
+        def process_by_pid(pid):
+            return psutil.Process(pid)
+
+        """
         @staticmethod
         def pids():
             return psutil.pids()
@@ -90,11 +97,7 @@ class System:
                 if psutil.Process(id).name() == p_name:
                     return id
             return None
-
-
-        @staticmethod
-        def process_by_pid(pid):
-            return psutil.Process(pid)
+        """
 
         @staticmethod
         def kill_by_pid(pid):
@@ -108,9 +111,11 @@ class System:
         def path(pid):
             return psutil.Process(pid).exe()
 
+        """
         @staticmethod
         def working_directory(pid):
             return psutil.Process(pid).cwd()
+        """
 
         @staticmethod
         def command_line(pid):
@@ -128,6 +133,8 @@ class System:
         def create_time(pid):
             return psutil.Process(pid).create_time()
 
+
+        """
         @staticmethod
         def cpu_times(pid):
             return psutil.Process(pid).cpu_times()
@@ -151,14 +158,17 @@ class System:
         @staticmethod
         def threads(pid):
             return psutil.Process(pid).threads()
+        """
 
         @staticmethod
         def nice(pid):
             return psutil.Process(pid).nice()
 
+        """
         @staticmethod
         def environment(pid):
             return psutil.Process(pid).environ()
+        """
 
         @staticmethod
         def details():
@@ -166,6 +176,15 @@ class System:
 
     class Sessions(object):
 
+        @staticmethod
+        def user_name():
+            arr = []
+            for user in psutil.get_users():
+                if str(user[0]) is not 'None' and user[0] not in arr:
+                    arr.append(user[0])
+            return arr
+
+        """
         @staticmethod
         def user_name():
             arr = []
@@ -178,6 +197,10 @@ class System:
         def user_details():
             return psutil.users()
 
+        """
+
+
+
         @staticmethod
         def last_login_username():
             # TODO
@@ -185,14 +208,17 @@ class System:
 
     class Os(object):
 
-        @staticmethod
-        def boot_time():
-            return psutil.boot_time()
 
         @staticmethod
         def architecture():
             return platform.architecture()[0]
 
+        """
+        @staticmethod
+        def boot_time():
+            return psutil.boot_time()
+        """
+
         @staticmethod
         def file_format():
             return platform.architecture()[1]
@@ -277,10 +303,6 @@ class System:
             def interface_size():
                 return len(psutil.net_io_counters(pernic=True))
 
-            @staticmethod
-            def interfaces_details():
-                return psutil.net_if_addrs()
-
             @staticmethod
             def io_counter_detail():
                 return psutil.net_io_counters(pernic=True)
@@ -288,7 +310,7 @@ class System:
             @staticmethod
             def interfaces():
                 arr = []
-                for iface in psutil.net_if_addrs():
+                for iface in psutil.net_io_counters(pernic=True):
                     arr.append(str(iface))
                 return arr
 
@@ -296,38 +318,71 @@ class System:
             def ip_addresses():
                 arr = []
                 for iface in psutil.net_io_counters(pernic=True):
-                    ip = psutil.net_if_addrs()[str(iface)][0][1]
-                    if re.match(r'^((\d{1,2}|1\d{2}|2[0-4]\d|25[0-5])\.){3}(\d{1,2}|1\d{2}|2[0-4]\d|25[0-5])$', ip) and str(ip) != 'localhost' and str(ip) != '127.0.0.1':
+                    f = os.popen('ifconfig {} | grep "inet\ addr" | cut -d: -f2 | cut -d" " -f1'.format(iface))
+                    ip = str(f.read()).replace('\n', '')
+                    if ip != '127.0.0.1':
                         arr.append(ip)
                 return arr
 
+            """
+            @staticmethod
+            def getHwAddr(ifname):
+                s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+                info = fcntl.ioctl(s.fileno(), 0x8927, struct.pack('256s', ifname[:15]))
+                return ''.join(['%02x:' % ord(char) for char in info[18:24]])[:-1]
+
+            @staticmethod
+            def getHwAddr(ifname):
+                s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+                info = fcntl.ioctl(s.fileno(), 0x8927, struct.pack('256s', ifname[:15]))
+                return ''.join(['%02x:' % ord(char) for char in info[18:24]])[:-1]
+
+
+
+           @staticmethod
+           def mac_addresses():
+               mac = get_mac()
+               ':'.join(("%012X" % mac)[i:i+2] for i in range(0, 12, 2)
+
+               arr = []
+               for iface in psutil.net_io_counters(pernic=True):
+                   try:
+                       addr_list = psutil.net_if_addrs()
+                       mac = addr_list[str(iface)][2][1]
+                       if re.match("[0-9a-f]{2}([-:])[0-9a-f]{2}(\\1[0-9a-f]{2}){4}$", mac.lower()) and str(mac) != '00:00:00:00:00:00':
+                           arr.append(mac.lower())
+                   except Exception as e:
+                       pass
+
+               # return arr
+                """
+
             @staticmethod
             def mac_addresses():
-                arr = []
+                arr=[]
                 for iface in psutil.net_io_counters(pernic=True):
-                    try:
-                        addr_list=psutil.net_if_addrs()
-                        mac = addr_list[str(iface)][2][1]
-                        if re.match("[0-9a-f]{2}([-:])[0-9a-f]{2}(\\1[0-9a-f]{2}){4}$", mac.lower()) and str(mac) != '00:00:00:00:00:00':
-                            arr.append(mac.lower())
-                    except Exception as e:
-                        pass
+                    mac = open('/sys/class/net/' + iface + '/address').readline()
+                    if str(mac[0:17]) != "00:00:00:00:00:00":
+                        arr.append(mac[0:17])
                 return arr
 
+        """
+        @staticmethod
+        def interfaces_details():
+            return psutil.net_if_addrs()
+
+        @staticmethod
+        def ip_addresses():
+            arr = []
+            for iface in psutil.net_io_counters(pernic=True):
+                ip = psutil.net_if_addrs()[str(iface)][0][1]
+                if re.match(r'^((\d{1,2}|1\d{2}|2[0-4]\d|25[0-5])\.){3}(\d{1,2}|1\d{2}|2[0-4]\d|25[0-5])$', ip) and str(ip) != 'localhost' and str(ip) != '127.0.0.1':
+                    arr.append(ip)
+            return arr
+        """
+
         class Cpu(object):
 
-            @staticmethod
-            def physical_core_count():
-                return psutil.cpu_count(logical=False)
-
-            @staticmethod
-            def logical_core_count():
-                return psutil.cpu_count(logical=True)
-
-            @staticmethod
-            def stats():
-                return psutil.cpu_stats()
-
             @staticmethod
             def times():
                 return psutil.cpu_times()
@@ -336,31 +391,47 @@ class System:
             def architecture():
                 return platform.processor()
 
-            @staticmethod
-            def vendor():
-                return cpuinfo.get_cpu_info()['vendor_id']
+    """
+                @staticmethod
+                def physical_core_count():
+                    return psutil.cpu_count(logical=False)
 
-            @staticmethod
-            def brand():
-                return cpuinfo.get_cpu_info()['brand']
+                @staticmethod
+                def logical_core_count():
+                    return psutil.cpu_count(logical=True)
 
-            @staticmethod
-            def hz_advertised():
-                return cpuinfo.get_cpu_info()['hz_advertised']
+                @staticmethod
+                def stats():
+                    return psutil.cpu_stats()
+    """
 
-            @staticmethod
-            def hz_actual():
-                return cpuinfo.get_cpu_info()['hz_actual']
+    """
+                @staticmethod
+                def vendor():
+                    return cpuinfo.get_cpu_info()['vendor_id']
 
-            @staticmethod
-            def bit():
-                return cpuinfo.get_cpu_info()['bits']
+                @staticmethod
+                def brand():
+                    return cpuinfo.get_cpu_info()['brand']
 
-            @staticmethod
-            def family():
-                return cpuinfo.get_cpu_info()['family']
+                @staticmethod
+                def hz_advertised():
+                    return cpuinfo.get_cpu_info()['hz_advertised']
 
-            @staticmethod
-            def model():
-                return cpuinfo.get_cpu_info()['model']
+                @staticmethod
+                def hz_actual():
+                    return cpuinfo.get_cpu_info()['hz_actual']
 
+                @staticmethod
+                def bit():
+                    return cpuinfo.get_cpu_info()['bits']
+
+                @staticmethod
+                def family():
+                    return cpuinfo.get_cpu_info()['family']
+
+                @staticmethod
+                def model():
+                    return cpuinfo.get_cpu_info()['model']
+
+    """