diff --git a/check_webservice_load.sh b/check_webservice_load.sh
index 4b79c9f..ec663cb 100755
--- a/check_webservice_load.sh
+++ b/check_webservice_load.sh
@@ -14,6 +14,7 @@ conf_file="${working_dir}/conf/check_webservice_load.conf"
 # -
 check_load=false
 check_mysql=false
+check_postgresql=false
 check_apache=false
 check_nginx=false
 check_php_fpm=false
@@ -243,6 +244,35 @@ if $check_mysql ; then
 
 fi
 
+if $check_postgresql ; then
+
+   PSQL_SERVICE_FILE=""
+   PSQL_INIT_SCRIPT=""
+   if $systemd_supported ; then
+      # - Is Service exclusive controlled by systemd
+      # -
+      if systemctl -t service list-unit-files \
+            | grep -e "^   postgresql" \
+            | grep -q -E "(enabled|disabled)" 2> /devnull ; then
+
+         PSQL_SERVICE_FILE=$(systemctl -t service list-unit-files \
+                                 | grep -e "^postgresql" \
+                                 | awk '{print$1}')
+      fi
+   fi
+
+   if [[ -z "$PSQL_SERVICE_FILE" ]] ; then
+      if [ -x "/etc/init.d/postgresql" ]; then
+         PSQL_INIT_SCRIPT="/etc/init.d/postgresql"
+      fi
+   fi
+
+   if [[ -z "$PSQL_INIT_SCRIPT" ]] && [[ -z "$PSQL_SERVICE_FILE" ]] ; then
+      fatal "Neither an init-script nor a service file for 'postgesql' databaseservice found!"
+   fi
+
+fi
+
 if $check_apache ; then
 
    HTTPD=`realpath $(which httpd) 2>/dev/null`
@@ -739,6 +769,91 @@ stop_mysql() {
    fi
 }
 
+stop_postgresql() {
+
+   send_msg=$1
+   send_msg=${send_msg:=true}
+
+   ## - Stop PostgreSQL database service
+   ## -
+   if [[ -n "$PSQL_SERVICE_FILE" ]] ; then
+      systemctl stop "$PSQL_SERVICE_FILE" > /dev/null 2>&1
+   else
+      $PSQL_INIT_SCRIPT stop > /dev/null 2>&1 
+   fi
+
+   sleep 12
+
+   declare -i i=0
+
+   CHILD_PID="$(ps aux | grep -E "\ postgres:\ " | grep -v grep | tail -n 1 | awk '{print$2}')"
+   PSQL_MAIN_PID="$(ps -o ppid= -p $CHILD_PID 2> /dev/null)"
+
+   while [ "X$PSQL_MAIN_PID" != "X" ]; do 
+
+      if [ $i -eq 0 ]; then
+         echo "" >> $LOCK_DIR/extra_msg.txt
+         echo -e "\t[ Error ]: Stopping PostgreSQL database service failed !!!" >> $LOCK_DIR/extra_msg.txt
+         echo "" >> $LOCK_DIR/extra_msg.txt
+         echo -e "\t[ Info ];  Going to kill remaining postgres-processes.." >> $LOCK_DIR/extra_msg.txt
+         echo "" >> $LOCK_DIR/extra_msg.txt
+
+         error "Stopping PostgreSQL database service failed !!!"
+         info  "Going to kill remaining postgres-processes.."
+      fi
+
+      if [ $i -gt 10 ]; then
+
+         echo "" >> $LOCK_DIR/extra_msg.txt
+         echo -e "\t[ Error ]: Killing remaining postgres-processes failed !!!" >> $LOCK_DIR/extra_msg.txt
+         echo "" >> $LOCK_DIR/extra_msg.txt
+
+         error "Killing remaining postgres-processes failed !!!"
+
+         if $send_msg ; then
+
+            subject="[ Error ]: Stopping PostgreSQL database service on `hostname -f` failed -- $datum"
+            msg="\n\n`cat $LOCK_DIR/extra_msg.txt`\n"
+
+            for _to_address in $to_addresses ; do
+               echo -e "To:${_to_address}\n${content_type}\nSubject:$subject\n\n${msg}\n" \
+                  | /usr/sbin/sendmail -F "Webservice Monitor" -f $from_address $_to_address
+            done
+
+         fi
+
+         break
+      fi
+
+      kill $PSQL_MAIN_PID > /dev/null 2>&1
+
+      sleep 2
+
+      CHILD_PID="$(ps aux | grep -E "\ postgres:\ " | grep -v grep | tail -n 1 | awk '{print$2}')"
+      PSQL_MAIN_PID="$(ps -o ppid= -p $CHILD_PID)"
+      i=i+1
+   done
+
+   CHILD_PIDS=$(ps aux | grep -E "postgres:" | grep -v grep | awk '{print$2}') 
+
+   if [[ "X${CHILD_PIDS}X" != 'XX' ]]; then
+
+      echo "" >> $LOCK_DIR/extra_msg.txt
+      echo -e "\t[ Error ]: Found processes 'postgres:'." >> $LOCK_DIR/extra_msg.txt
+      echo "" >> $LOCK_DIR/extra_msg.txt
+      echo -e "\t[ Info ];  Going to kill remaining postgres-processes.." >> $LOCK_DIR/extra_msg.txt
+      echo "" >> $LOCK_DIR/extra_msg.txt
+
+      error "Found processes 'postgres:'."
+      info "Going to kill processes 'postgres:'.."
+
+      for _PID in $CHILD_PIDS ; do
+         kill $_PID > /dev/null 2>&1
+      done
+   fi
+
+}
+
 stop_php_fpm() {
 
    __version=$1
@@ -974,6 +1089,64 @@ start_mysql() {
    fi
 }
 
+start_postgresql() {
+
+   send_msg=$1
+   send_msg=${send_msg:=true}
+
+
+   ## - Start PostgreSQL Webservice
+   ## -
+   if [[ -n "$PSQL_SERVICE_FILE" ]] ; then
+      systemctl start "$PSQL_SERVICE_FILE" > /dev/null 2>&1
+   else
+      $PSQL_INIT_SCRIPT start > /dev/null 2>&1 
+   fi
+   sleep 2
+
+   CHILD_PID="$(ps aux | grep -E "\ postgres:\ " | grep -v grep | tail -n 1 | awk '{print$2}')"
+   NEWPID="$(ps -o ppid= -p $CHILD_PID 2> /dev/null)"
+
+   if [ "X${NEWPID}X" = "XX" ]; then
+
+      echo "" >> $LOCK_DIR/extra_msg.txt
+      echo -e "\t[ Error ]: I started the 'PostgreSQL' database server, but service is not running !!!" >> $LOCK_DIR/extra_msg.txt
+      echo "" >> $LOCK_DIR/extra_msg.txt
+
+      error "I started the 'PostgreSQL' database server, but service is not running !!!"
+
+      datum=`date +"%d.%m.%Y %H:%Mh"`
+
+      subject="[ Error ]: PostgreSQL database service on `hostname -f` NOT RUNNING -- $datum"
+      msg="\n\n`cat $LOCK_DIR/extra_msg.txt`\n"
+
+      for _to_address in $to_addresses ; do
+         echo -e "To:${_to_address}\n${content_type}\nSubject:$subject\n\n${msg}\n" \
+            | /usr/sbin/sendmail -F "Webservice Monitor" -f $from_address $_to_address
+      done
+
+   else
+
+      echo "" >> $LOCK_DIR/extra_msg.txt
+      echo -e "\tI started the 'PostgreSQL' database server. the new PID is $NEWPID" >> $LOCK_DIR/extra_msg.txt
+      echo "" >> $LOCK_DIR/extra_msg.txt
+
+      ok "I started the 'PostgreSQL' database server. the new PID is $NEWPID"
+
+   fi
+
+   if $send_msg ; then
+      datum=`date +"%d.%m.%Y %H:%Mh"`
+      subject="Restarting PostgreSQL on `hostname -f` invoked  -- $datum"
+      msg=`cat $LOCK_DIR/extra_msg.txt`
+
+      for _to_address in $to_addresses ; do
+         echo -e "To:${_to_address}\n${content_type}\nSubject:$subject\n\n${msg}\n" \
+            | /usr/sbin/sendmail -F "Webservice Monitor" -f $from_address $_to_address
+      done
+   fi
+}
+
 start_apache() {
 
    send_msg=$1
@@ -1241,7 +1414,7 @@ restart_nginx() {
 
 restart_mysql(){
 
-   ## - Stop MySQL Servive
+   ## - Stop MySQL Service
    ## -
    stop_mysql
 
@@ -1252,6 +1425,19 @@ restart_mysql(){
    start_mysql
 }
 
+restart_postgresql(){
+
+   ## - Stop PostgreSQL Service
+   ## -
+   stop_postgresql
+
+   sleep 2
+
+   ## - Start MySQL Service
+   ## -
+   start_postgresql
+}
+
 restart_php_fpm(){
 
    ## - Stop MySQL Servive
@@ -1532,6 +1718,42 @@ if $check_mysql ; then
 fi
 
 
+#---------------------------------------
+#-----------------------------
+# Check Postgresql database service..
+#-----------------------------
+#---------------------------------------
+
+if $check_postgresql ; then
+
+   echo "" > $LOCK_DIR/extra_msg.txt
+
+   if $LOGGING ; then
+      echo -e "\nChecking PostgreSQL database service on \"`hostname -f`\".."
+   fi
+
+   CHILD_PID="$(ps aux | grep -E "\ postgres:\ " | grep -v grep | tail -n 1 | awk '{print$2}')"
+   PSQL_MAIN_PID="$(ps -o ppid= -p $CHILD_PID 2> /dev/null)"
+
+   if [ "X${PSQL_MAIN_PID}X" = "XX" ];then
+
+      echo -e "\nPostgreSQL database service is not running! - Try to start it.." > $LOCK_DIR/extra_msg.txt
+      echo -e "==============================================================="  >> $LOCK_DIR/extra_msg.txt
+
+      error "PostgeSQL database service is not running! - Try to start it.."
+
+      restart_postgresql
+
+   else
+
+      if $LOGGING ; then
+         ok "PostgreSQL database server on \"`hostname -f`\" seems to be running.."
+      fi
+
+   fi
+fi
+
+
 #---------------------------------------
 #-----------------------------
 # Check Apache webservice..