diff --git a/.gitignore b/.gitignore
index c64e6ce..29b4b60 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /BAK/*
 *.swp
+conf/*.conf
diff --git a/conf/remote-copy_gateway-config.conf.sample b/conf/remote-copy_gateway-config.conf.sample
new file mode 100644
index 0000000..34496b5
--- /dev/null
+++ b/conf/remote-copy_gateway-config.conf.sample
@@ -0,0 +1,36 @@
+# ==========
+# - Configuration file for script remote-copy_gateway-config.sh
+# ==========
+
+# - LOGGING
+# -
+# - Enables/Disables script output. Setting this value to 'true' is
+# - only useful if NOT running in a terminal (i.e. as cronjob).
+# -
+# - If script is running in a terminal, script output is enabled and 
+# - cannot be disabled.
+# -
+# - Running this script in a
+# -
+# - Default value: false
+# -
+#LOGGING=false
+
+# - OFFICE_BASE_DIR
+# -
+# - This is the base directory. For each Gateway/Network, there is a seperate
+# - folder, which contains all the configuration files and directories.
+# -
+# - Default value: $HOME/Office_Networks
+# -
+#OFFICE_BASE_DIR="$HOME/Office_Networks"
+
+# - REMOTE_USER
+# -
+# - This remote user hold all configuration file in a subdirectory of
+# - his/her home directory (called <NAME>-config - i.e. B3-Bornim-config)
+# -
+# - Default value: chris
+# -
+#REMOTE_USER="chris"
+
diff --git a/remote-copy_gateway-config.sh b/remote-copy_gateway-config.sh
index 067768d..b3efba0 100755
--- a/remote-copy_gateway-config.sh
+++ b/remote-copy_gateway-config.sh
@@ -1,15 +1,32 @@
 #!/usr/bin/env bash
 
-function usage() {
-   if [ -n "$1" ];then
-      echo -e "\nError: $1"
-   fi
+script_name="$(basename $(realpath $0))"
+working_dir="$(dirname $(realpath $0))"
 
-cat<<EOF
+conf_file="${working_dir}/conf/${script_name%%.*}.conf"
 
-   Usage: `basename $0` -h <remote host> -u <remote user> <network-name>
+LOCK_DIR="/tmp/$(basename $0).$$.LOCK"
+log_file="${LOCK_DIR}/${script_name%%.*}.log"
 
-Example: `basename $0` -h wf.oopen.de -u chris WF
+backup_date="$(date +%Y-%m-%d-%H%M)"
+declare -a files_backuped_arr=()
+declare -a dirs_backuped_arr=()
+
+
+# ----------
+# Base Function(s)
+# ----------
+
+usage() {
+
+   [[ -n  "$1" ]] && error "$1"
+
+   if [[ $terminal ]] ; then
+      cat<<EOF
+
+   Usage: `basename $0` -h <remote host> [ -u <remote user> -d <base-dest.-directory> ] <network-name>
+
+Example: `basename $0` -h wf.oopen.de -u chris -d /home/chris/devel/git/git.oopen.de/o.open/Office_Networks WF
 
    network-name   possible values are:
 
@@ -38,16 +55,241 @@ Example: `basename $0` -h wf.oopen.de -u chris WF
                   WF
 
 EOF
-exit
+   fi
+clean_up 1
 
 }
 
+clean_up() {
+
+   # Perform program exit housekeeping
+   rm -rf "$LOCK_DIR"
+   blank_line
+   exit $1
+}
+
+
+echononl(){
+   if $terminal ; then
+      echo X\\c > /tmp/shprompt$$
+      if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
+         echo -e -n "   $*\\c" 1>&2
+      else
+         echo -e -n "   $*" 1>&2
+      fi
+      rm /tmp/shprompt$$
+   fi
+}
+
+
+fatal(){
+   echo ""
+   if $terminal ; then
+      echo -e "   [ \033[31m\033[1mFatal\033[m ] $*"
+   else
+      echo -e "   [ Fatal ] $*"
+   fi
+   echo ""
+   if $terminal ; then
+      echo -e "             \033[1mScript terminated\033[m.."
+   else
+      echo -e "             Script terminated.."
+   fi
+   echo ""
+   rm -rf $LOCK_DIR
+   exit 1
+}
+
+error (){
+   echo ""
+   if $terminal ; then
+      echo -e "   [ \033[31m\033[1mError\033[m ] $*"
+   else
+      echo "   [ Error ] $*"
+   fi
+   echo ""
+}
+
+warn (){
+   if $LOGGING || $terminal ; then
+      echo ""
+      if $terminal ; then
+         echo -e "   [ \033[33m\033[1mWarn\033[m ]  $*"
+      else
+         echo "   [ Warn ]  $*"
+      fi
+      echo ""
+   fi
+}
+
+nfo (){
+   if $LOGGING || $terminal ; then
+      echo ""
+      if $terminal ; then
+         echo -e "   [ \033[32m\033[1mInfo\033[m ]  $*"
+      else
+         echo "   [ Info ]  $*"
+      fi
+      echo ""
+   fi
+}
+
+ok (){
+   if $LOGGING || $terminal ; then
+      echo ""
+      if $terminal ; then
+         echo -e "   [ \033[32m\033[1mOk\033[m ]    $*"
+      else
+         echo "   [ Ok ]    $*"
+      fi
+      echo ""
+   fi
+}
+
+echo_done() {
+   if $terminal ; then
+      echo -e "\033[75G[ \033[32mdone\033[m ]"
+   fi
+}
+echo_ok() {
+   if $terminal ; then
+      echo -e "\033[75G[ \033[32mok\033[m ]"
+   fi
+}
+echo_failed(){
+   if $terminal ; then
+      echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
+   fi
+}
+echo_skipped() {
+   if $terminal ; then
+      echo -e "\033[75G[ \033[33m\033[1mskipped\033[m ]"
+   fi
+}
+trim() {
+    local var="$*"
+    var="${var#"${var%%[![:space:]]*}"}"   # remove leading whitespace characters
+    var="${var%"${var##*[![:space:]]}"}"   # remove trailing whitespace characters
+    echo -n "$var"
+}
+
+blank_line() {
+   if $terminal ; then
+      echo ""
+   fi
+}
+
+# - Backup file or directory
+# -
+backup() {
+
+   is_directory=false
+
+   if [[ -z "$1" ]] ; then
+      error "No file/directory for backup given!"
+      return
+   elif [[ -h "$1" ]] ; then
+      _source="$(realpath $1)"
+      warn "'$1' is a symlink to $_source."
+   elif [[ ! -d "$1" ]] && [[ ! -f "$1" ]] ; then
+      warn "'$1' not found. Backup skipped."
+      return
+   else
+      _source="$(realpath $1)"
+   fi
+
+   if [[ -d "$_source" ]]; then
+      is_directory=true
+      echononl "Backup directory '$_source' .."
+   else
+      echononl "Backup file '$_source' .."
+   fi
+
+   cp -a "$_source" "${_source}.$backup_date" > $log_file 2>&1
+   if [[ $? -eq 0 ]] ; then
+      echo_ok
+      if $is_directory ; then
+         dirs_backuped_arr+=("$_source")
+      else
+         files_backuped_arr+=("$_source")
+      fi
+   else
+      echo_failed
+      error "$(cat "$log_file")"
+   fi
+}
+
+
+# - Remove script generated backups, if source wasn't changed
+# -
+rm_unchanged_backup() {
+
+   if [[ ${#files_backuped_arr[@]} -gt 0 ]] ; then
+      for _file in "${files_backuped_arr[@]}" ; do
+         if  $(diff "$_file" "${_file}.$backup_date" > /dev/null 2>&1) ; then
+            echononl "File '$(basename "${_file}")' wasn't changed.\n   Delete the previous generated backup. .."
+            rm "${_file}.$backup_date" > "$log_file" 2>&1
+            if [[ $? -eq 0 ]]; then
+               echo_ok
+            else
+               echo_failed
+               error "$(cat "$log_file")"
+            fi
+            blank_line
+         fi
+      done
+   fi
+   if [[ ${#dirs_backuped_arr[@]} -gt 0 ]] ; then
+      for _dir in "${dirs_backuped_arr[@]}" ; do
+         if $(diff -Nur "$_dir" "${_dir}.$backup_date" > /dev/null 2>&1) ; then
+            echononl "Directory '$(basename "${_dir}")' wasn't changed.\n   Delete the previous generated backup. .."
+            rm -rf "${_dir}.$backup_date" > "$log_file" 2>&1
+            if [[ $? -eq 0 ]]; then
+               echo_ok
+            else
+               echo_failed
+               error "$(cat "$log_file")"
+            fi
+            blank_line
+         fi
+      done
+   fi
+}
+
+
 manage_files() {
 
    for file in $* ; do
-      if ssh -l $remote_user ${remote_host} [ -f ${_network}-config/$file ] ; then
-         scp -o User=$remote_user ${remote_host}:${_network}-config/$file .
-         ssh -l $remote_user ${remote_host} "rm ${_network}-config/$file"
+      blank_line
+      echononl "Get file '${_network}-config/$file' .." 
+      if ssh -l $REMOTE_USER ${REMOTE_HOST} [ -f ${_network}-config/$file ] ; then
+         scp -o User=$REMOTE_USER ${REMOTE_HOST}:${_network}-config/$file . > $log_file 2>&1
+         if [[ $? -eq 0 ]]; then
+            echo_ok
+            echononl "Remove remote file '${_network}-config/$file' .."
+            ssh -l $REMOTE_USER ${REMOTE_HOST} "rm ${_network}-config/$file" > $log_file 2>&1
+            if [[ $? -eq 0 ]]; then
+               echo_ok
+            else
+               echo_failed
+               error "$(cat "$log_file")"
+            fi
+         else
+            echo_failed
+            error "$(cat "$log_file")"
+         fi
+      else
+         echo_skipped
+         if [[ -f "${OFFICE_DIR}/$file" ]] ; then
+            echononl "Remove local file '$file' .."
+            rm "${OFFICE_DIR}/$file" > $log_file 2>&1
+            if [[ $? -eq 0 ]]; then
+               echo_ok
+            else
+               echo_failed
+               error "$(cat "$log_file")"
+            fi
+         fi
       fi
    done
    
@@ -55,30 +297,183 @@ manage_files() {
 
 manage_archives() {
    for archive in $* ; do
-      if ssh -l $remote_user ${remote_host} [ -f "${_network}-config/$archive" ]; then
-         scp -o User=$remote_user ${remote_host}:${_network}-config/$archive .
-         gunzip < $archive | tar -xpf -
-         rm -f  $archive
-         ssh -l $remote_user ${remote_host} "rm ${_network}-config/$archive"
+      blank_line
+      echononl "Get archive '${_network}-config/$archive' .." 
+      if ssh -l $REMOTE_USER ${REMOTE_HOST} [ -f "${_network}-config/$archive" ]; then
+         scp -o User=$REMOTE_USER ${REMOTE_HOST}:${_network}-config/$archive . > $log_file 2>&1
+         if [[ $? -eq 0 ]]; then
+            echo_ok
+            echononl "Unpack archive '$archive' .."
+            gunzip < $archive | tar -xpf - > $log_file 2>&1
+            if [[ $? -eq 0 ]]; then
+               echo_ok
+               echononl "Remove downloaded archive '$archive' .."
+               rm -f "$archive" > $log_file 2>&1
+               if [[ $? -eq 0 ]]; then
+                  echo_ok
+               else
+                  echo_failed
+                  error "$(cat "$log_file")"
+               fi
+               echononl "Remove remote archive '$archive' .."
+               ssh -l $REMOTE_USER ${REMOTE_HOST} "rm ${_network}-config/$archive" > $log_file 2>&1
+               if [[ $? -eq 0 ]]; then
+                  echo_ok
+               else
+                  echo_failed
+                  error "$(cat "$log_file")"
+               fi
+            else
+               echo_failed
+               error "$(cat "$log_file")"
+            fi
+         else
+            echo_failed
+            error "$(cat "$log_file")"
+         fi
+      else
+         echo_skipped
+         
+
+         if [[ "$archive" = "root-dot-opennvpndir_NONE-WF.tar.gz" ]] ; then
+            _dir=".openvpn "
+         elif [[ "$archive" = "etc_check_net_NONE-WF.tar.gz" ]] ; then
+            _dir="check_net"
+         else
+            archive_suffix="${archive%%.*}"
+            _tmp_name="${archive_suffix%_*}"
+            _dir="${_tmp_name##*_}"
+         fi
+         
+         if [[ -d "${OFFICE_DIR}/$_dir" ]] ; then
+            echononl "Remove local directory '$_dir' .."
+            rm -rf "${OFFICE_DIR}/$_dir" > $log_file 2>&1
+            if [[ $? -eq 0 ]]; then
+               echo_ok
+            else
+               echo_failed
+               error "$(cat "$log_file")"
+            fi
+         fi
       fi
    done
 }
 
-while getopts h:u: opt ; do
+
+
+# ----------
+# - Jobhandling 
+# ----------
+
+# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
+# -
+trap clean_up SIGHUP SIGINT SIGTERM
+
+# - Create lock directory '$LOCK_DIR"
+#
+mkdir "$LOCK_DIR"
+
+
+# ----------
+# - Some checks ..
+# ----------
+
+# - Running in a terminal?
+# -
+if [[ -t 1 ]] ; then
+   terminal=true
+else
+   terminal=false
+fi
+
+# -Is systemd supported on this system?
+# -
+systemd_supported=false
+systemd=$(which systemd)
+systemctl=$(which systemctl)
+
+if [[ -n "$systemd" ]] && [[ -n "$systemctl" ]] ; then
+   systemd_supported=true
+fi
+
+# - Print help?
+# -
+if [[ "$(trim $*)" = "-h" ]] || [[ "$(trim $*)" = "--help" ]] ; then
+    usage
+fi
+
+if [[ -z "$(which basename)" ]]; then
+   fatal 'It seems "basename" is not installed, but needed!'
+fi
+
+if [[ -z "$(which realpath)" ]]; then
+   fatal 'It seems "realpath" is not installed, but needed!'
+fi
+n Main Script
+# ==========
+
+# ----------
+# - Headline
+# ----------
+
+if $terminal ; then
+   echo ""
+   echo -e "\033[1m----------\033[m"
+   echo -e "\033[32m\033[1mRunning script \033[m\033[1m$script_name\033[32m .. \033[m"
+   echo -e "\033[1m----------\033[m"
+   echo ""
+fi
+
+
+# ----------
+#  Read Configurations from $conf_file
+# ----------
+
+
+# - Give your default values here
+# -
+LOGGING=false
+BATCH_MODE=false
+DEFAULT_OFFICE_BASE_DIR="$HOME/Office_Networks"
+DEFAULT_REMOTE_USER="chris"
+
+echononl "Read configuration file '$(basename "$conf_file")' .."
+if [[ -f "$conf_file" ]]; then
+   source "$conf_file"
+   if [[ $? -eq 0 ]]; then
+      echo_ok
+   else
+      echo_failed
+   fi
+else
+   echo_skipped
+   warn "No configuration file '$conf_file' present.\n
+             Loading default values.."
+fi
+
+
+# ----------
+# - Read commandline parameter
+# ----------
+
+
+while getopts d:h:u: opt ; do
    case $opt in
-      h) remote_host="$OPTARG"
+      h) REMOTE_HOST="$OPTARG"
          ;;
-      u) remote_user="$OPTARG"
+      u) REMOTE_USER="$OPTARG"
+         ;;
+      d) OFFICE_BASE_DIR="$OPTARG"
          ;;
       *) usage
          ;;
    esac
 done
 
-if [ -z "$remote_host" ]; then
-   usage "Remote host not given"
-fi   
-if [ -z "$remote_user" ]; then
+[[ -z "$REMOTE_USER" ]] && REMOTE_USER="$DEFAULT_REMOTE_USER"
+[[ -z "$OFFICE_BASE_DIR" ]] && OFFICE_BASE_DIR="$DEFAULT_OFFICE_BASE_DIR"
+
+if [ -z "$REMOTE_HOST" ]; then
    usage "Remote host not given"
 fi   
 
@@ -87,12 +482,44 @@ shift `expr $OPTIND - 1`
 [ $# -ne "1" ] && usage "wrong number of arguments"
 
 _network=$1
+OFFICE_DIR=${OFFICE_BASE_DIR}/${_network}
 
-office_base_dir=$HOME/Office_Networks
-office_dir=${office_base_dir}/${_network}
+if [[ "$_network" != "NONE-WF" ]] \
+      && [[ "$_network" != "NONE-CKUBU" ]] \
+      && [[ "$_network" != "123" ]] \
+      && [[ "$_network" != "AK" ]] \
+      && [[ "$_network" != "AKB" ]] \
+      && [[ "$_network" != ""ANW-URB ]] \
+      && [[ "$_network" != "ANW-KM" ]] \
+      && [[ "$_network" != "B3-Bornim" ]] \
+      && [[ "$_network" != "CKUBU" ]] \
+      && [[ "$_network" != "FLR-BRB" ]] \
+      && [[ "$_network" != "GA-AL" ]] \
+      && [[ "$_network" != "GA-Ersatz" ]] \
+      && [[ "$_network" != "GA-NH" ]] \
+      && [[ "$_network" != "GA-Schloss" ]] \
+      && [[ "$_network" != "JONAS" ]] \
+      && [[ "$_network" != "Kanzlei-Kiel" ]] \
+      && [[ "$_network" != "MBR" ]] \
+      && [[ "$_network" != "OOLM" ]] \
+      && [[ "$_network" != "OPP" ]] \
+      && [[ "$_network" != "ReachOut" ]] \
+      && [[ "$_network" != "SPR-BE" ]] \
+      && [[ "$_network" != "WF" ]] ;then
+   usage "Wrong network '$_network'!"
+fi   
 
-mkdir -p $office_dir
-cd $office_dir
+
+if $terminal ; then
+   echo ""
+   echo ""
+   echo -e "   \033[1mMain part of script ..\033[m"
+   echo ""
+fi
+
+
+mkdir -p $OFFICE_DIR
+cd $OFFICE_DIR
 
 # - Nameserver Bind
 # -    /etc/bind/*
@@ -245,9 +672,12 @@ manage_files $files
 
 
 
-cat <<EOF > $office_dir/README.txt
+cat <<EOF > $OFFICE_DIR/README.txt
 
+-------
 Notice:
+-------
+
    You have to change some configuration files becaus the because
    the configuration of network interfaces must not be equal.
 
@@ -269,11 +699,11 @@ Notice:
       interfaces.${_network}: see above
       default_isc-dhcp-server.${_network}
       ipt-firewall.${_network}: LAN device (mostly $local_if_1) = eth1
-                                second LAN WLAN or what ever (if present) = eth0
+      second LAN WLAN or what ever (if present) = eth0
          
 EOF
 
-cat $office_dir/README.txt
+cat $OFFICE_DIR/README.txt
 
 #rm /tmp/README$$