diff --git a/cob-stud-clients/README.asciidoc b/cob-stud-clients/README.asciidoc
index 6cc9e2c..9708f15 100644
--- a/cob-stud-clients/README.asciidoc
+++ b/cob-stud-clients/README.asciidoc
@@ -2,7 +2,7 @@
 
 ==== Install Ubuntu 14.04 LTS 
 ----
-username: ipa
+username: stud-admin
 systemname: cob-stud-<client number>
 password: ****
 ----
@@ -35,9 +35,12 @@ $ sudo sed -i 's/PermitRootLogin without-password/PermitRootLogin yes/g' /etc/ss
 
 ==== Gain root rights for admin user's
 ----
+$ sudo adduser --home /home-local/Admin Admin --force-badname
+$ sudo adduser Admin sudo
 $ sudo nano /etc/sudoers
 ##add to the list###
 stud-admin ALL=(ALL) NOPASSWD: ALL
+Admin ALL=(ALL) NOPASSWD: ALL
 ----
 
 
@@ -138,3 +141,13 @@ $ rosdep update
 $ sudo apt-get install python-rosinstall python-rosdep
 $ sudo apt-get install python-setuptools ogre-tools 
 ----
+
+=== Extra tools
+
+----
+$ sudo cp ~/setup/cob-stud-clients/upstart_lightdm /etc/init.d/.
+$ sudo update-rc.d upstart_lightdm defaults
+$ sudo cp ~/setup/cob-stud-clients/restart_lightdm /usr/sbin/.
+$ sudo cp ~/setup/cob-stud-clients/restart_lock /etc/init.d/.
+$ sudo update-rc.d restart_lock defaults
+----
diff --git a/cob-stud-clients/cob-stud-execute.sh b/cob-stud-clients/cob-stud-execute.sh
index 2390888..7393adb 100755
--- a/cob-stud-clients/cob-stud-execute.sh
+++ b/cob-stud-clients/cob-stud-execute.sh
@@ -16,16 +16,7 @@ cob-stud-3
 cob-stud-4
 cob-stud-5
 cob-stud-6
-cob-stud-7
-cob-stud-8
-cob-stud-9
-cob-stud-101
-cob-stud-102
-cob-stud-103
-cob-stud-104
-cob-stud-601
-cob-stud-602
-cob-stud-603"
+cob-stud-7"
 
 for client in $client_list; do
 	echo "-------------------------------------------"
diff --git a/cob-stud-clients/cob-stud-install.sh b/cob-stud-clients/cob-stud-install.sh
index 5b41a73..8db8b95 100755
--- a/cob-stud-clients/cob-stud-install.sh
+++ b/cob-stud-clients/cob-stud-install.sh
@@ -16,23 +16,13 @@ cob-stud-3
 cob-stud-4
 cob-stud-5
 cob-stud-6
-cob-stud-7
-cob-stud-8
-cob-stud-9
-cob-stud-101
-cob-stud-102
-cob-stud-103
-cob-stud-104
-cob-stud-601
-cob-stud-602
-cob-stud-603"
+cob-stud-7"
 
 for client in $client_list; do
 	echo "-------------------------------------------"
 	echo "Installing <<"$*">> on $client"
 	echo "-------------------------------------------"
 	echo ""
-	#ssh $client "sudo apt-get install $* -y"
 	ssh $client "sudo apt-get install $* "
 	ret=${PIPESTATUS[0]}
 	if [ $ret != 0 ] ; then
diff --git a/cob-stud-clients/restart_lightdm b/cob-stud-clients/restart_lightdm
new file mode 100755
index 0000000..288f274
--- /dev/null
+++ b/cob-stud-clients/restart_lightdm
@@ -0,0 +1,2 @@
+sudo mount -a
+sudo service lightdm restart&
diff --git a/cob-stud-clients/restart_lock b/cob-stud-clients/restart_lock
new file mode 100755
index 0000000..4155285
--- /dev/null
+++ b/cob-stud-clients/restart_lock
@@ -0,0 +1,13 @@
+#!/bin/bash
+export DISPLAY=:0 && dbus-monitor --session "type='signal',interface='org.gnome.ScreenSaver'" | \
+(
+  while true; do
+    read X
+    if echo $X | grep "boolean true" &> /dev/null; then
+      echo SCREEN_LOCKED;
+    elif echo $X | grep "boolean false" &> /dev/null; then
+      sudo mount -a;
+      sleep 1;
+    fi
+  done
+)
diff --git a/cob-stud-clients/stud-adduser b/cob-stud-clients/stud-adduser
index 50efea9..fcdf429 100755
--- a/cob-stud-clients/stud-adduser
+++ b/cob-stud-clients/stud-adduser
@@ -7,13 +7,10 @@ client_list="
 cob-stud-1
 cob-stud-2
 cob-stud-3
+cob-stud-4
 cob-stud-5
 cob-stud-6
-cob-stud-7
-cob-stud-101
-cob-stud-102
-cob-stud-103
-cob-stud-104"
+cob-stud-7"
 
 echo "Executing adduser"
 sudo /usr/sbin/adduser $1 
diff --git a/cob-stud-clients/sync_packages.sh b/cob-stud-clients/sync_packages.sh
new file mode 100755
index 0000000..4495382
--- /dev/null
+++ b/cob-stud-clients/sync_packages.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+sudo apt list --installed > /tmp/package_list
+perl -pi -e 's{ / .*? ]}{}x' /tmp/package_list
+sed -i 's/Listing...//' /tmp/package_list 
+sed -i ':a;N;$!ba;s/\n/ /g' /tmp/package_list
+tr '\n' ' ' < /tmp/package_list | sed -i '$s/ $/\n/' /tmp/package_list
+packages=$(cat /tmp/package_list)
+
+pcs="
+cob-stud-1
+cob-stud-2
+cob-stud-3
+cob-stud-4
+cob-stud-5
+cob-stud-6
+cob-stud-7"
+
+for i in $pcs; do 
+  echo "-------------------------------------------"
+  echo "Installing packages on $i"
+  echo "-------------------------------------------"
+  echo ""
+  ssh $i "sudo apt-get update"
+  ssh $i "sudo apt-get install $packages -y"
+  ret=${PIPESTATUS[0]}
+  if [ $ret != 0 ] ; then
+    echo -t "apt-get return an error (error code: $ret), aborting..."
+    exit 1
+  fi
+  echo ""
+done
+
diff --git a/cob-stud-clients/upstart_lightdm b/cob-stud-clients/upstart_lightdm
new file mode 100755
index 0000000..7119a93
--- /dev/null
+++ b/cob-stud-clients/upstart_lightdm
@@ -0,0 +1,7 @@
+#!/bin/bash
+while ! ping -c 1 -W 1 10.0.1.2; do
+    echo "Waiting for 10.0.1.2 - network interface might be down..."
+    sleep 1
+done
+sudo mount -a
+sudo service lightdm restart
diff --git a/restart_lightdm b/restart_lightdm
new file mode 100755
index 0000000..288f274
--- /dev/null
+++ b/restart_lightdm
@@ -0,0 +1,2 @@
+sudo mount -a
+sudo service lightdm restart&
diff --git a/restart_lock b/restart_lock
new file mode 100755
index 0000000..4155285
--- /dev/null
+++ b/restart_lock
@@ -0,0 +1,13 @@
+#!/bin/bash
+export DISPLAY=:0 && dbus-monitor --session "type='signal',interface='org.gnome.ScreenSaver'" | \
+(
+  while true; do
+    read X
+    if echo $X | grep "boolean true" &> /dev/null; then
+      echo SCREEN_LOCKED;
+    elif echo $X | grep "boolean false" &> /dev/null; then
+      sudo mount -a;
+      sleep 1;
+    fi
+  done
+)
diff --git a/upstart_lightdm b/upstart_lightdm
new file mode 100755
index 0000000..7119a93
--- /dev/null
+++ b/upstart_lightdm
@@ -0,0 +1,7 @@
+#!/bin/bash
+while ! ping -c 1 -W 1 10.0.1.2; do
+    echo "Waiting for 10.0.1.2 - network interface might be down..."
+    sleep 1
+done
+sudo mount -a
+sudo service lightdm restart