diff --git a/install_dehydrated.sh b/install_dehydrated.sh
index fc0efe7..bcff7ae 100755
--- a/install_dehydrated.sh
+++ b/install_dehydrated.sh
@@ -3305,103 +3305,6 @@ _DH_BASE_DIR=$DH_BASE_DIR
 _APACHE_VHOST_DIR=$APACHE_VHOST_DIR
 _NGINX_VHOST_DIR=$NGINX_VHOST_DIR
 
-_apache_debian_install=false
-
-# -------------
-# --- Some functions
-# -------------
-echononl(){
-   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\$\$
-}
-
-fatal(){
-   echo ""
-   echo -e "fataler Fehler: \$*"
-   echo ""
-   echo -e "\t\033[31m\033[1mInstalllation wird abgebrochen\033[m\033[m"
-   echo ""
-   exit 1
-}
-
-error(){
-   echo ""
-   echo -e "\t[ \033[31m\033[1mFehler\033[m ]: \$*"
-   echo ""
-}
-
-warn (){
-   echo ""
-   echo -e "\t[ \033[33m\033[1mWarning\033[m ]: \$*"
-   echo ""
-}
-
-info (){
-   echo ""
-   echo -e "\t[ \033[32m\033[1mInfo\033[m ]: \$*"
-   echo ""
-}
-
-echo_done() {
-   echo -e "\033[75G[ \033[32mdone\033[m ]"
-}
-echo_ok() {
-   echo -e "\033[75G[ \033[32mok\033[m ]"
-}
-echo_warning() {
-   echo -e "\033[75G[ \033[33m\033[1mwarn\033[m ]"
-}
-echo_failed(){
-   echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
-}
-echo_skipped() {
-   echo -e "\033[75G[ \033[37m\033[1mskipped\033[m ]"
-}
-
-## - Check if a given array (parameter 2) contains a given string (parameter 1)
-## -
-containsElement () {
-   local e
-   for e in "\${@:2}"; do [[ "\$e" == "\$1" ]] && return 0; done
-   return 1
-}
-
-
-clear
-echo ""
-echo -e "\033[21G\033[32mChanges SSLCertificate directives at apache vhost configurations\033[m"
-echo -e "\033[21G\033[32mto their appropriate path to Let's Encrypt Certificate/Key.\033[m"
-echo ""
-
-
-echo ""
-echo -e "\033[32m--\033[m"
-echo ""
-echo "Insert DH Base directory"
-echo ""
-echo ""
-DH_BASE_DIR=
-while [[ "X\$DH_BASE_DIR" = "X" ]]; do
-   echononl "DH Configuration Directory [\$_DH_BASE_DIR]: "
-   read DH_BASE_DIR
-   if [[ "X\$DH_BASE_DIR" = "X" ]]; then
-      DH_BASE_DIR=\$_DH_BASE_DIR
-   fi
-done
-SCRIPT_INSTALL_DIR=\${DH_BASE_DIR}/tools
-DOMAINS_TXT_FILE=\${DH_BASE_DIR}/domains.txt
-
-
-if [[ ! -f "\$DOMAINS_TXT_FILE" ]] ; then
-   fatal "Domain file \"\`basename \$DOMAINS_TXT_FILE\`\" not found!"
-fi
-
-
 if [[ ! -d "\$_APACHE_VHOST_DIR" ]]; then
    if [[ -d "/etc/apache2/sites-available" ]]; then
       _VHOST_DIR=/etc/apache2/conf-available
@@ -3424,52 +3327,199 @@ else
    _VHOST_DIR=\$_NGINX_VHOST_DIR
 fi
 
-echo ""
-echo -e "\033[32m--\033[m"
-echo ""
-echo "Insert VHost Directory"
-echo ""
-echo ""
-VHOST_DIR=
-while [[ "X\$VHOST_DIR" = "X" ]]; do
-   echononl "VHost Directory [\$_VHOST_DIR]: "
-   read VHOST_DIR
-   if [ "X\$VHOST_DIR" = "Xnone" -o "X\$VHOST_DIR" = "XNone" ]; then
-      warn "Webserver Configuration will be ommited"
-      VHOST_DIR=
-      break
-   elif [[ "X\$VHOST_DIR" = "X" ]]; then
-      VHOST_DIR=\$_VHOST_DIR
-   fi
-done
+_apache_debian_install=false
 
-if [[ ! -d "\$VHOST_DIR" ]]; then
-   fatal "No Webserver VHost Configuration directory found!"
+# -------------
+# --- Some functions
+# -------------
+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 ""
+   echo -e "fataler Fehler: \$*"
+   echo ""
+   echo -e "\t\033[31m\033[1mInstalllation wird abgebrochen\033[m\033[m"
+   echo ""
+   exit 1
+}
+
+error(){
+   echo ""
+   if \$terminal ; then
+      echo -e "\t[ \033[31m\033[1mFehler\033[m ]: \$*"
+   else
+      echo "[ Error ]: \$*"
+   fi
+   echo ""
+}
+
+warn (){
+   if \$terminal ; then
+      echo ""
+      echo -e "\t[ \033[33m\033[1mWarning\033[m ]: \$*"
+      echo ""
+   fi
+}
+
+info (){
+   if \$terminal ; then
+      echo ""
+      echo -e "\t[ \033[32m\033[1mInfo\033[m ]: \$*"
+      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_warning() {
+   if \$terminal ; then
+      echo -e "\033[75G[ \033[33m\033[1mwarn\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[37m\033[1mskipped\033[m ]"
+   fi
+}
+
+blank_line() {
+   if \$terminal ; then
+      echo ""
+   fi
+}
+
+## - Check if a given array (parameter 2) contains a given string (parameter 1)
+## -
+containsElement () {
+   local e
+   for e in "\${@:2}"; do [[ "\$e" == "\$1" ]] && return 0; done
+   return 1
+}
+
+
+# -------------
+# --- Check some prerequisites
+# -------------
+
+# - Running in a terminal?
+# -
+if [[ -t 1 ]] ; then
+   terminal=true
+else
+   terminal=false
 fi
 
-echo ""
-echo ""
+if \$terminal ; then
+   clear
+   echo ""
+   echo -e "\033[21G\033[32mChanges SSLCertificate directives at apache vhost configurations\033[m"
+   echo -e "\033[21G\033[32mto their appropriate path to Let's Encrypt Certificate/Key.\033[m"
+   echo ""
+fi
 
-echo -e "#\033[32m --------------------\033[m"
-echo -e "#\033[32m --- Starts Script the following Parameters \033[m"
-echo -e "#\033[32m --------------------\033[m"
-echo ""
-echo "DH Base Directory.............: \$DH_BASE_DIR"
-echo "DH domains.txt file...........: \$DOMAINS_TXT_FILE"
-echo ""
-echo "Script Installation Directory.: \${DH_BASE_DIR}/tools"
-echo ""
-echo "Vhosts Directory..............: \$VHOST_DIR"
-echo ""
 
-echononl "Start with that configuration? [yes/no]: "
-read OK
-while [ "X\$OK" != "Xyes" -a "X\$OK" != "XYes" -a "X\$OK" != "XNo" -a "X\$OK" != "Xno" ]
-do
-   echononl "wrong entry! [yes/no] :"
+if \$terminal ; then
+   echo ""
+   echo -e "\033[32m--\033[m"
+   echo ""
+   echo "Insert DH Base directory"
+   echo ""
+   echo ""
+   DH_BASE_DIR=
+   while [[ "X\$DH_BASE_DIR" = "X" ]]; do
+      echononl "DH Configuration Directory [\$_DH_BASE_DIR]: "
+      read DH_BASE_DIR
+      if [[ "X\$DH_BASE_DIR" = "X" ]]; then
+         DH_BASE_DIR=\$_DH_BASE_DIR
+      fi
+   done
+   SCRIPT_INSTALL_DIR=\${DH_BASE_DIR}/tools
+   DOMAINS_TXT_FILE=\${DH_BASE_DIR}/domains.txt
+
+
+   if [[ ! -f "\$DOMAINS_TXT_FILE" ]] ; then
+      fatal "Domain file \"\`basename \$DOMAINS_TXT_FILE\`\" not found!"
+   fi
+
+   echo ""
+   echo -e "\033[32m--\033[m"
+   echo ""
+   echo "Insert VHost Directory"
+   echo ""
+   echo ""
+   VHOST_DIR=
+   while [[ "X\$VHOST_DIR" = "X" ]]; do
+      echononl "VHost Directory [\$_VHOST_DIR]: "
+      read VHOST_DIR
+      if [ "X\$VHOST_DIR" = "Xnone" -o "X\$VHOST_DIR" = "XNone" ]; then
+         warn "Webserver Configuration will be ommited"
+         VHOST_DIR=
+         break
+      elif [[ "X\$VHOST_DIR" = "X" ]]; then
+         VHOST_DIR=\$_VHOST_DIR
+      fi
+   done
+
+   if [[ ! -d "\$VHOST_DIR" ]]; then
+      fatal "No Webserver VHost Configuration directory found!"
+   fi
+
+   echo ""
+   echo ""
+
+   echo -e "#\033[32m --------------------\033[m"
+   echo -e "#\033[32m --- Starts Script the following Parameters \033[m"
+   echo -e "#\033[32m --------------------\033[m"
+   echo ""
+   echo "DH Base Directory.............: \$DH_BASE_DIR"
+   echo "DH domains.txt file...........: \$DOMAINS_TXT_FILE"
+   echo ""
+   echo "Script Installation Directory.: \${DH_BASE_DIR}/tools"
+   echo ""
+   echo "Vhosts Directory..............: \$VHOST_DIR"
+   echo ""
+
+   echononl "Start with that configuration? [yes/no]: "
    read OK
-done
-[ \$OK = "Yes" -o \$OK = "yes" ] || fatal "Change parameters and restart script: \`basename \$0\`"
+   while [ "X\$OK" != "Xyes" -a "X\$OK" != "XYes" -a "X\$OK" != "XNo" -a "X\$OK" != "Xno" ]
+   do
+      echononl "wrong entry! [yes/no] :"
+      read OK
+   done
+   [ \$OK = "Yes" -o \$OK = "yes" ] || fatal "Change parameters and restart script: \`basename \$0\`"
+else
+   DH_BASE_DIR=\$_DH_BASE_DIR
+   DOMAINS_TXT_FILE=\${DH_BASE_DIR}/domains.txt
+
+   if [[ ! -f "\$DOMAINS_TXT_FILE" ]] ; then
+      fatal "Domain file \"\`basename \$DOMAINS_TXT_FILE\`\" not found!"
+   fi
+
+   VHOST_DIR=\$_VHOST_DIR
+fi
 
 _date=\`date +%Y-%m-%d-%H%M\`
 
@@ -3483,7 +3533,7 @@ if [[ "\$VHOST_DIR" = "/etc/nginx/sites-enabled" ]] ; then
    VHOST_DIR=\$NGINX_VHOST_DIR
 fi
 
-echo ""
+blank_line
 echononl "   Backup existing VHost Directory .."
 if [[ "\$(dirname \$VHOST_DIR)" =~ vhosts?/?\$ ]] ; then
    BACKUP_SRC_DIR="\$(dirname \$VHOST_DIR)"
@@ -3497,7 +3547,7 @@ else
    echo_failed
 fi
 
-echo ""
+blank_line
 declare -a vhost_file_arr
 while IFS=' ' read -r site_server_name rest ; do
    unset vhost_file_arr
@@ -3602,20 +3652,16 @@ if [[ -d "\${BACKUP_SRC_DIR}.\$_date" ]]; then
          if [[ -x "$apache_control_script" ]]; then
             $apache_control_script graceful > /dev/null 2>&1
             if [[ \$? -gt 0 ]]; then
-               if \$verbose ; then
+               if \$terminal ; then
                   error "Restarting Apache Webserver failed!"
-               else
-                  echo -e "\\n   [ Error ]: Restarting Apache Webserver failed! \\n"
                fi
             else
-               if \$verbose ; then
+               if \$terminal ; then
                   info "Apache Webserver restarted."
-               else
-                  echo -e "\\n   [ Info ]: Apache Webserver restarted.\\n"
                fi
             fi
          else
-            if \$verbose ; then
+            if \$terminal ; then
                warn "Apache Control Script (apachectl) not found. Take care to restart webservice manually"
             else
                echo -e "\\n   [ Warn ]: Apache Control Script (apachectl) not found. Take care to restart webservice manually"
@@ -3626,20 +3672,16 @@ if [[ -d "\${BACKUP_SRC_DIR}.\$_date" ]]; then
          if [[ -x "$nginx_init_script" ]]; then
             $nginx_init_script restart > /dev/null 2>&1
             if [[ \$? -gt 0 ]]; then
-               if \$verbose ; then
+               if \$terminal ; then
                   error "Restarting Nginx Webserver failed!"
-               else
-                  echo -e "\\n   [ Error ]: Restarting Nginx Webserver failed! \\n"
                fi
             else
-               if \$verbose ; then
+               if \$terminal ; then
                   info "Nginx Webserver restarted."
-               else
-                  echo -e "\\n   [ Info ]: Nginx Webserver restarted.\\n"
                fi
             fi
          else
-            if \$verbose ; then
+            if \$terminal ; then
                warn "Nginx Init Script ($nginx_init_script) not found. Take care to restart webservice manually"
             else
                echo -e "\\n   [ Warn ]: Nginx INIT Script ($nginx_init_script) not found. Take care to restart webservice manually"
@@ -3650,7 +3692,7 @@ if [[ -d "\${BACKUP_SRC_DIR}.\$_date" ]]; then
    fi
 fi
 
-echo
+blank_line
 exit
 EOF
 if [[ $? -eq 0 ]]; then