diff --git a/tools/poc-dummy-create b/tools/poc-dummy-create
new file mode 100755
index 0000000..aa798f2
--- /dev/null
+++ b/tools/poc-dummy-create
@@ -0,0 +1,61 @@
+#!/bin/bash
+
+
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
+  TARGET="$(readlink "$SOURCE")"
+  if [[ $TARGET == /* ]]; then
+    #echo "SOURCE '$SOURCE' is an absolute symlink to '$TARGET'"
+    SOURCE="$TARGET"
+  else
+    DIR="$( dirname "$SOURCE" )"
+    #echo "SOURCE '$SOURCE' is a relative symlink to '$TARGET' (relative to '$DIR')"
+    SOURCE="$DIR/$TARGET" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
+  fi
+done
+
+SRPATH="$( dirname "$SOURCE" )"
+SFPATH="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+if [ "$SFPATH" != "$SRPATH" ]; then
+  RDIR=$SRPATH    # relativ path directory
+fi
+
+cwdir=$PWD
+wdir=$SFPATH
+
+
+[ $# -eq 0 ] && { echo "Usage: $0 device-name"; exit 1; }
+[ -z "$1" ] && { echo "Usage: $0 device-name"; exit 1; }
+ 
+dir="$1"
+
+dir1=/var/log-in/$dir
+
+ex=$(docker exec -it dummy_service /bin/bash -c "mkdir  \"/var/log-in/$dir\"")
+(docker exec -i dummy_service sh -c "cat > /tmp/send.sh") <<EOF
+if [ -d "$dir1" -a ! -h "$dir1" ];
+then
+	echo "yes"
+else
+ 	echo "no"
+fi
+EOF
+
+execout=$(docker exec -i  dummy_service /bin/bash -c "/bin/bash /tmp/send.sh")
+[ "$execout" != 'yes' ] && { echo "device-name not created"; exit 1;}
+
+echo ""
+echo "done!"
+echo ""
+
+
+
+
+
+
+
+
+
+ 
+
+
diff --git a/tools/poc-dummy-log b/tools/poc-dummy-log
new file mode 100755
index 0000000..6ddfcda
--- /dev/null
+++ b/tools/poc-dummy-log
@@ -0,0 +1,69 @@
+#!/bin/bash
+
+
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
+  TARGET="$(readlink "$SOURCE")"
+  if [[ $TARGET == /* ]]; then
+    #echo "SOURCE '$SOURCE' is an absolute symlink to '$TARGET'"
+    SOURCE="$TARGET"
+  else
+    DIR="$( dirname "$SOURCE" )"
+    #echo "SOURCE '$SOURCE' is a relative symlink to '$TARGET' (relative to '$DIR')"
+    SOURCE="$DIR/$TARGET" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
+  fi
+done
+
+SRPATH="$( dirname "$SOURCE" )"
+SFPATH="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+if [ "$SFPATH" != "$SRPATH" ]; then
+  RDIR=$SRPATH    # relativ path directory
+fi
+
+cwdir=$PWD
+wdir=$SFPATH
+
+
+[ $# -eq 0 ] && { echo "Usage: $0 device-name"; exit 1; }
+[ -z "$1" ] && { echo "Usage: $0 device-name"; exit 1; }
+ 
+dir="$1"
+
+dir1=/var/log-in/$dir
+
+[  "$dir1" != "/var/log-in/$dir"  ] && { echo "Usage: $0 device-name"; exit 1; }
+
+(docker exec -i dummy_service sh -c "cat > /tmp/send.sh") <<EOF
+if [ -d "$dir1" -a ! -h "$dir1" ];
+then
+	echo "yes"
+else
+ 	echo "no"
+fi
+EOF
+
+execout=$(docker exec -i  dummy_service /bin/bash -c "/bin/bash /tmp/send.sh")
+[ "$execout" != 'yes' ] && { echo "device-name not exist"; exit 1;}
+
+ex=$(docker exec -it dummy_service /bin/bash -c "cat  \"/var/log-in/$dir/data\"")
+
+
+#execout1=$(docker exec -i  dummy_service /bin/bash -c "/bin/bash /tmp/send.sh")
+#[ "$execout1" == 'yes' ] && { echo "Can't Remove device-name"; exit 1;}
+#[ "$execout1" != 'no' ] && { echo "Done!"; exit 1;}
+
+echo ""
+echo "$ex"
+echo ""
+
+
+
+
+
+
+
+
+
+ 
+
+
diff --git a/tools/poc-dummy-ls b/tools/poc-dummy-ls
new file mode 100755
index 0000000..e74bbdf
--- /dev/null
+++ b/tools/poc-dummy-ls
@@ -0,0 +1,52 @@
+#!/bin/bash
+
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
+  TARGET="$(readlink "$SOURCE")"
+  if [[ $TARGET == /* ]]; then
+    #echo "SOURCE '$SOURCE' is an absolute symlink to '$TARGET'"
+    SOURCE="$TARGET"
+  else
+    DIR="$( dirname "$SOURCE" )"
+    #echo "SOURCE '$SOURCE' is a relative symlink to '$TARGET' (relative to '$DIR')"
+    SOURCE="$DIR/$TARGET" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
+  fi
+done
+
+SRPATH="$( dirname "$SOURCE" )"
+SFPATH="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+if [ "$SFPATH" != "$SRPATH" ]; then
+  RDIR=$SRPATH    # relativ path directory
+fi
+
+cwdir=$PWD
+wdir=$SFPATH
+
+#if [ "$cwdir" != "$wdir" ]; then
+#        cd $wdir
+#fi
+
+ 
+execsh=$(cat <<EOF
+ls /var/log-in
+EOF
+)
+
+dir="$1"
+swarmlabdevdata=$2
+
+lsfile=$wdir/src/lsfile
+
+echo ""
+echo  $execsh | docker exec -i dummy_service /bin/bash 
+echo ""
+
+
+
+
+
+
+
+ 
+
+
diff --git a/tools/poc-dummy-rm b/tools/poc-dummy-rm
new file mode 100755
index 0000000..38b7b0f
--- /dev/null
+++ b/tools/poc-dummy-rm
@@ -0,0 +1,69 @@
+#!/bin/bash
+
+
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
+  TARGET="$(readlink "$SOURCE")"
+  if [[ $TARGET == /* ]]; then
+    #echo "SOURCE '$SOURCE' is an absolute symlink to '$TARGET'"
+    SOURCE="$TARGET"
+  else
+    DIR="$( dirname "$SOURCE" )"
+    #echo "SOURCE '$SOURCE' is a relative symlink to '$TARGET' (relative to '$DIR')"
+    SOURCE="$DIR/$TARGET" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
+  fi
+done
+
+SRPATH="$( dirname "$SOURCE" )"
+SFPATH="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+if [ "$SFPATH" != "$SRPATH" ]; then
+  RDIR=$SRPATH    # relativ path directory
+fi
+
+cwdir=$PWD
+wdir=$SFPATH
+
+
+[ $# -eq 0 ] && { echo "Usage: $0 device-name"; exit 1; }
+[ -z "$1" ] && { echo "Usage: $0 device-name"; exit 1; }
+ 
+dir="$1"
+
+dir1=/var/log-in/$dir
+
+[  "$dir1" != "/var/log-in/$dir"  ] && { echo "Usage: $0 device-name"; exit 1; }
+
+(docker exec -i dummy_service sh -c "cat > /tmp/send.sh") <<EOF
+if [ -d "$dir1" -a ! -h "$dir1" ];
+then
+	echo "yes"
+else
+ 	echo "no"
+fi
+EOF
+
+execout=$(docker exec -i  dummy_service /bin/bash -c "/bin/bash /tmp/send.sh")
+[ "$execout" != 'yes' ] && { echo "device-name not exist"; exit 1;}
+
+ex=$(docker exec -it dummy_service /bin/bash -c "rm -rf  \"/var/log-in/$dir\"")
+
+
+execout1=$(docker exec -i  dummy_service /bin/bash -c "/bin/bash /tmp/send.sh")
+[ "$execout1" == 'yes' ] && { echo "Can't Remove device-name"; exit 1;}
+[ "$execout1" != 'no' ] && { echo "Done!"; exit 1;}
+
+echo ""
+echo "done!"
+echo ""
+
+
+
+
+
+
+
+
+
+ 
+
+
diff --git a/tools/poc-dummy-send b/tools/poc-dummy-send
new file mode 100755
index 0000000..fe6a7fd
--- /dev/null
+++ b/tools/poc-dummy-send
@@ -0,0 +1,75 @@
+#!/bin/bash
+
+
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
+  TARGET="$(readlink "$SOURCE")"
+  if [[ $TARGET == /* ]]; then
+    #echo "SOURCE '$SOURCE' is an absolute symlink to '$TARGET'"
+    SOURCE="$TARGET"
+  else
+    DIR="$( dirname "$SOURCE" )"
+    #echo "SOURCE '$SOURCE' is a relative symlink to '$TARGET' (relative to '$DIR')"
+    SOURCE="$DIR/$TARGET" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
+  fi
+done
+
+SRPATH="$( dirname "$SOURCE" )"
+SFPATH="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+if [ "$SFPATH" != "$SRPATH" ]; then
+  RDIR=$SRPATH    # relativ path directory
+fi
+
+cwdir=$PWD
+wdir=$SFPATH
+
+
+[ $# -eq 0 ] && { echo "Usage: $0 device-name data"; exit 1; }
+[ -z "$1" ] && { echo "Usage: $0 device-name data"; exit 1; }
+[ -z "$2" ] && { echo "Usage: $0 device-name data"; exit 1; }
+ 
+dir="$1"
+devdata="$2"
+
+dir1=/var/log-in/$dir
+
+execsh=$(cat <<EOF
+if [ -d "$dir1" -a ! -h "$dir1" ];
+then
+	echo "yes"
+else
+ 	echo "no"
+fi
+EOF
+)
+
+(docker exec -i dummy_service sh -c "cat > /tmp/send.sh") <<EOF
+if [ -d "$dir1" -a ! -h "$dir1" ];
+then
+	echo "yes"
+else
+ 	echo "no"
+fi
+EOF
+
+
+execout=$(docker exec -i  dummy_service /bin/bash -c "/bin/bash /tmp/send.sh")
+[ "$execout" != 'yes' ] && { echo "device-name not found"; exit 1;}
+
+
+ex=$(docker exec -it dummy_service /bin/bash -c "echo \"$devdata\" >> $dir1/data")
+
+echo ""
+echo "done!"
+echo ""
+
+
+
+
+
+
+
+
+ 
+
+