diff --git a/CHANGELOG.md b/CHANGELOG.md
index 49870db..e774716 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [5.2.0] - 2025-05-14
+
+### Added
+
+- Log duration of user sessions
+
 ## [5.1.1] - 2025-05-06
 
 ### Fixed
diff --git a/linux/debian/changelog b/linux/debian/changelog
index 8028fa4..51f72ee 100644
--- a/linux/debian/changelog
+++ b/linux/debian/changelog
@@ -1,3 +1,9 @@
+ogagent (5.2.0-1) stable; urgency=medium
+
+  * Log length of user sessions
+
+ -- OpenGnsys developers <info@opengnsys.es>  Mon, 12 May 2025 11:38:27 +0200
+
 ogagent (5.1.1-1) stable; urgency=medium
 
   * Fix URL for notifying stop to ogcore
diff --git a/src/VERSION b/src/VERSION
index ac14c3d..91ff572 100644
--- a/src/VERSION
+++ b/src/VERSION
@@ -1 +1 @@
-5.1.1
+5.2.0
diff --git a/src/cfg/ogagent.cfg b/src/cfg/ogagent.cfg
index da0048e..09c339f 100644
--- a/src/cfg/ogagent.cfg
+++ b/src/cfg/ogagent.cfg
@@ -17,6 +17,8 @@ level=full
 # Log Level, if omitted, will be set to INFO
 log=DEBUG
 
+imgname=
+
 # TLS
 ca=C:\Program Files (x86)\OGagent\ca.crt
 crt=C:\Program Files (x86)\OGagent\ogagent.crt
diff --git a/src/opengnsys/modules/server/OpenGnSys/__init__.py b/src/opengnsys/modules/server/OpenGnSys/__init__.py
index 8a17cbe..4e93001 100644
--- a/src/opengnsys/modules/server/OpenGnSys/__init__.py
+++ b/src/opengnsys/modules/server/OpenGnSys/__init__.py
@@ -213,6 +213,10 @@ class OpenGnSysWorker(ServerWorker):
         """
         Sends OGAgent stopping notification to OpenGnsys server
         """
+        now = time.time()
+        for elem in self.user:
+            sess_len = now - elem['login_ts']
+            logger.debug ('Session of logged in user {} took {} seconds'.format (elem['username'], int (sess_len)))
         logger.debug('onDeactivation')
         self.REST.sendMessage('ogagent/stopped', {'mac': self.interface.mac, 'ip': self.interface.ip,
                                                   'ostype': operations.os_type, 'osversion': operations.os_version})
@@ -223,7 +227,7 @@ class OpenGnSysWorker(ServerWorker):
         """
         user, language, self.session_type = tuple(data.split(','))
         logger.debug('Received login for {0} using {2} with language {1}'.format(user, language, self.session_type))
-        self.user.append(user)
+        self.user.append ({'username': user, 'login_ts': time.time() })
         self.REST.sendMessage('ogagent/loggedin', {'ip': self.interface.ip, 'user': user, 'language': language,
                                                    'session': self.session_type,
                                                    'ostype': operations.os_type, 'osversion': operations.os_version})
@@ -232,7 +236,11 @@ class OpenGnSysWorker(ServerWorker):
         """
         Sends session logout notification to OpenGnsys server
         """
-        logger.debug('Received logout for {}'.format(user))
+        sess_len = 0
+        for elem in self.user:
+            if user != elem['username']: continue
+            sess_len = time.time() - elem['login_ts']
+        logger.debug ('Received logout for {}, session length {} seconds'.format (user, int (sess_len)))
         try:
             self.user.pop()
         except IndexError:
@@ -288,7 +296,7 @@ class OpenGnSysWorker(ServerWorker):
             if get_params.get('detail', 'false') == 'true':
                 res.update({'agent_version': VERSION, 'os_version': operations.os_version, 'sys_load': os.getloadavg()})
                 if res['loggedin']:
-                    res.update({'sessions': len(self.user), 'current_user': self.user[-1]})
+                    res.update({'sessions': len(self.user), 'current_user': self.user[-1]['username']})
         except KeyError:
             # Unknown operating system
             res = {'status': 'UNK'}
diff --git a/src/opengnsys/modules/server/ogAdmClient/__init__.py b/src/opengnsys/modules/server/ogAdmClient/__init__.py
index 2a2769c..134085c 100644
--- a/src/opengnsys/modules/server/ogAdmClient/__init__.py
+++ b/src/opengnsys/modules/server/ogAdmClient/__init__.py
@@ -422,7 +422,7 @@ class ogAdmClientWorker (ogLiveWorker):
         params = []
         disk_info = cfg.pop (0)
         logger.debug (f'disk_info ({disk_info})')
-        for k in ['dis', 'tch']:
+        for k in ['dis']:
             params.append (f'{k}={disk_info[k]}')
         disk_info_str = '*'.join (params)