diff --git a/.gitignore b/.gitignore
index 19d33a1..17cdd09 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,5 +18,3 @@ var/dongleshift.txt
 var/gsm_channel.txt
 var/www/*.html
 var/www/*.tmp
-modules/noaa/noaa.conf
-modules/meteor-m2/meteor.conf
diff --git a/README.md b/README.md
index 5e167d4..2eda186 100644
--- a/README.md
+++ b/README.md
@@ -256,7 +256,7 @@ Variable data.
 dongleshift.txt     - current dongle shift
 nextpass.*          - list and plot of the next passes
 tle/                - directory with tle data
-flask/              - flask webserver stuff (see flask documentation):
+node/               - NodeJS webserver stuff (see NodeJS documentation):
    static/          - css, js
    templates/       - html template(s)
 www/                - stuff for static webpages; templates and output data
@@ -273,7 +273,7 @@ The web page is generated into `/var/www/` (the default location).
 
 # Webserver
 
-autowx2 is equipped with a simple flask webserver showing what is going on - displaying current logs (with some limitations, i.e., not showing logs of external programs - solution needed) and updated pass list.
+autowx2 is equipped with a simple NodeJS webserver showing what is going on - displaying current logs (with some limitations, i.e., not showing logs of external programs - solution needed) and updated pass list.
 
 ![static web page](docs/www-dynamic+shadow.jpg)
 
diff --git a/_listvars.sh b/_listvars.sh
index d51d497..05d7603 100644
--- a/_listvars.sh
+++ b/_listvars.sh
@@ -23,4 +23,5 @@ echo $stationName
 # add some environmental variables
 #
 
-export autowx2version=$(cd $baseDir && git describe --tags)
+export autowx2version=$(cd $baseDir && git describe --all)
+
diff --git a/autowx2.py b/autowx2.py
index e615f71..a7ea4e4 100755
--- a/autowx2.py
+++ b/autowx2.py
@@ -10,22 +10,28 @@
 #
 
 # from autowx2_conf import *  # configuration
-from autowx2_functions import * # all functions and magic hidden here
+# all functions and magic hidden here
+from autowx2_conf import cleanupRtl
+from autowx2_functions import log, saveToFile, wwwDir, time, debugPrint
+from autowx2_functions import killRtl, mainLoop, process
 
 # ------------------------------------------------------------------------------------------------------ #
 
+
 if __name__ == "__main__":
     log("⚡ Program start")
-    saveToFile("%s/start.tmp" % (wwwDir), str(time.time())) # saves program start date to file
+    # saves program start date to file
+    saveToFile("%s/start.tmp" % (wwwDir), str(time.time()))
+
+    debugPrint("Main program started")
 
     if cleanupRtl:
-        log("Killing all remaining rtl_* processes...")
-        justRun(["bin/kill_rtl.sh"], loggingDir)
+        killRtl()
 
     while True:
-        t1 = Thread(target = mainLoop)
-        t1.setDaemon(True)
-        t1.start()
-        # app.run(debug=True, port=webInterfacePort)
-
-        socketio.run(app, port=webInterfacePort, debug=False)
+        debugPrint("Main loop started")
+        try:
+            mainLoop()
+        finally:
+            print("[MAIN] Main loop exited for some reason. Check the logs.")
+            process.terminate()
diff --git a/autowx2_functions.py b/autowx2_functions.py
index 40bc42e..40afd40 100644
--- a/autowx2_functions.py
+++ b/autowx2_functions.py
@@ -11,34 +11,32 @@
 #
 
 # for autowx2 itself
-import predict
-import time
+from _crontab import *
 from datetime import datetime
-from time import strftime
-import subprocess
 import os
-from _crontab import *
+import predict
 import re
+import subprocess
 import sys
+import time
+from time import strftime
 
 
 # for plotting
 import matplotlib
 matplotlib.use('Agg')  # Force matplotlib to not use any Xwindows backend.
 import matplotlib.pyplot as plt
-# import matplotlib.font_manager as font_manager
 import matplotlib.dates
 from matplotlib.dates import DateFormatter
 import numpy as np
 
-# webserver
-from flask import render_template, Flask
-from flask_socketio import SocketIO, emit
-import codecs
-from threading import Thread
-
-# configuration
-from autowx2_conf import *
+# configuration - multiple lines because Codacy complains of line too long
+from autowx2_conf import tleFileName, satellitesData, stationLat, stationLon
+from autowx2_conf import stationAlt, skipFirst, skipLast, minElev
+from autowx2_conf import priorityTimeMargin, loggingDir, dongleShift
+from autowx2_conf import dongleShiftFile, stationName, ganttNextPassList
+from autowx2_conf import htmlNextPassList, wwwDir, calibrationTool, cleanupRtl
+from autowx2_conf import scriptToRunInFreeTime
 
 # ---------------------------------------------------------------------------- #
 
@@ -46,6 +44,36 @@
 qth = (stationLat, stationLon, stationAlt)
 
 
+# Allow piping when running a shell/bash command.
+import signal
+def default_sigpipe():
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
+
+# Every time `subprocess.Popen` is called, a new process is created with the
+# same memory footprint as the calling script (source:
+# https://stackoverflow.com/a/13329386). At some point in the future, while the
+# script is running), it will run out of memory. This will throw a "Cannot
+# allocate memory" error, which completely crashes the script, causing the
+# entire thing to stop running.
+#
+# `subprocess.Popen` is called here so that a new process is created with the
+# tiny initial memory footprint of the script at the beginning. This in theory
+# means that memory allocation errors shouldn't happen (or at least
+# significantly reduced).
+#
+# A separate shell script is written to listen for inputs to call. This simply
+# is a way of just adding executables to a pre-existing process. More
+# information here: https://stackoverflow.com/a/9674162
+shell_scripts = ["sh", "shell_scripts.sh"]
+process = subprocess.Popen(shell_scripts, shell=False, stdin=subprocess.PIPE, stdout=subprocess.PIPE, universal_newlines=True, preexec_fn=default_sigpipe)
+
+
+def debugPrint(message):
+    # Comment this out to stop printing debug messages
+    print("[DEBUG] %s" % message)
+
+
 def mkdir_p(outdir):
     ''' bash "mkdir -p" analog'''
     if not os.path.exists(outdir):
@@ -145,7 +173,8 @@ def genPassTable(satellites, qth, howmany=20):
                         ]
                     # transit.start - unix timestamp
 
-        elif 'fixedTime' in satellitesData[satellite]:                   # if ['fixedTime'] exists in satellitesData => time recording
+        # if ['fixedTime'] exists in satellitesData => time recording
+        elif 'fixedTime' in satellitesData[satellite]:
             # cron = getFixedRecordingTime(satellite)["fixedTime"]
             cron = satellitesData[satellite]['fixedTime']
             duration = getFixedRecordingTime(satellite)["fixedDuration"]
@@ -230,33 +259,37 @@ def listNextPases(passTable, howmany):
         i += 1
 
 
-def runForDuration(cmdline, duration, loggingDir):
-    outLogFile = logFile(loggingDir)
-    teeCommand = ['tee',  '-a', outLogFile ] # quick and dirty hack to get log to file
-
-    cmdline = [str(x) for x in cmdline]
-    print cmdline
-    try:
-        p1 = subprocess.Popen(cmdline, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-        _ = subprocess.Popen(teeCommand, stdin=p1.stdout)
-        time.sleep(duration)
-        p1.terminate()
-    except OSError as e:
-        log("✖ OS Error during command: " + " ".join(cmdline), style=bc.FAIL)
-        log("✖ OS Error: " + e.strerror, style=bc.FAIL)
-
-
-def justRun(cmdline, loggingDir):
+def justRun(cmdline, loggingDir, duration=-1):
     '''Just run the command as long as necesary and return the output'''
     outLogFile = logFile(loggingDir)
-    teeCommand = ['tee',  '-a', outLogFile ] # quick and dirty hack to get log to file
+    teeCommand = "tee -a %s" % outLogFile # quick and dirty hack to get log to file
 
-    cmdline = [str(x) for x in cmdline]
+    cmdline = "%s | %s" % (' '.join([str(x) for x in cmdline]), teeCommand)
     try:
-        p1 = subprocess.Popen(cmdline, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=True)
-        p2 = subprocess.Popen(teeCommand, stdin=p1.stdout, close_fds=True) # stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
-        result = p1.communicate()[0]
-        return result
+        if (duration != -1):
+            cmdline = "timeout %d %s" % (duration, cmdline)
+        debugPrint("Running command: %s" % cmdline)
+        process.stdin.write(cmdline + "\n")
+
+        lineText = ""
+        lines = ""
+        # Keep reading the output until the output gives out a unique string
+        # that signifies the task has completed.
+        while lineText != "SQsw48V8JZLwGOscVeuO":
+            for line in process.stdout.readline():
+                lineText += line
+
+                if lineText == "SQsw48V8JZLwGOscVeuO":
+                    # No need to check the remaining output. The task has
+                    # completed.
+                    break
+
+                if line == "\n":
+                    lines += lineText
+                    lineText = ""
+
+        debugPrint("Process completed")
+        return lines
     except OSError as e:
         log("✖ OS Error during command: " + " ".join(cmdline), style=bc.FAIL)
         log("✖ OS Error: " + e.strerror, style=bc.FAIL)
@@ -264,24 +297,38 @@ def justRun(cmdline, loggingDir):
 
 def runTest(duration=3):
     '''Check, if RTL_SDR dongle is connected'''
-    child = subprocess.Popen('rtl_test', stdout=subprocess.PIPE,
-                             stderr=subprocess.PIPE)
-    time.sleep(duration)
-    child.terminate()
-    _, err = child.communicate()
-    # if no device: ['No', 'supported', 'devices', 'found.']
-    # if OK: ['Found', '1', 'device(s):', '0:', 'Realtek,',
-    # 'RTL2838UHIDIR,',...
-    info = err.split()[0]
-    if info == "No":
-        log("✖ No SDR device found!", style=bc.FAIL)
+    output = justRun(["timeout %d rtl_test" % duration], loggingDir, duration)
+    log(output)
+
+    # `rtl_test` uses "fprintf" to print out most of its output, EXCEPT for the
+    # last line "lost at least XX bytes", which uses "printf". While all the
+    # output is displayed on the console, only this last line is picked up by
+    # the new shell script. It seems this is what denotes whether a dongle is
+    # present AND AVAILABLE. Source code at:
+    # https://github.com/osmocom/rtl-sdr/blob/b5af355b1d833b3c898a61cf1e072b59b0ea3440/src/rtl_test.c#L147
+    #
+    # NOTE: The output from `rtl_test` won't get saved to the log. This is due
+    # to the "fprintf" output mentioned above. It will however, be printed on
+    # the console. This may clutter the console, but the logs will stay "clean".
+    #
+    # `output` should appear as (or similar): lost at least 12 bytes
+    # `outputSplit` should appear as (or similar): ['lost', 'at, 'least', '12, 'bytes']
+    outputSplit = output.split()
+    if len(outputSplit) <= 0:
+        log("✖ Failed to find SDR device!", style=bc.FAIL)
         return False
-    elif info == "Found":
+
+    info = outputSplit[0]
+    if info == "lost":
         log("SDR device found!")
         return True
     else:
-        log("Not sure, if SDR device is there...")
-        return True
+        log("Not sure, if SDR device is there. Preventing access to potentially harmful devices.")
+        return False
+
+def killRtl():
+    log("Killing all remaining rtl_* processes...")
+    justRun(["sh bin/kill_rtl.sh"], loggingDir)
 
 
 def getDefaultDongleShift(dongleShift=dongleShift):
@@ -343,9 +390,7 @@ def log(string, style=bc.CYAN):
         style,
         str(string),
         bc.ENDC)
-    # socketio.emit('log', {'data': message}, namespace='/')
-    handle_my_custom_event(escape_ansi(message) + "<br />\n")
-    print message
+    print(message)
 
     # logging to file, if not Flase
     if loggingDir:
@@ -505,7 +550,7 @@ def CreateGanttChart(listNextPasesListList):
     plt.savefig(ganttNextPassList)
 
     if ylabel == enddateIN:
-        print locsy  # "This is done only to satisfy the codacy.com. Sorry for that."
+        print(locsy)  # "This is done only to satisfy the codacy.com. Sorry for that."
 
 
 def listNextPasesHtml(passTable, howmany):
@@ -593,7 +638,7 @@ def listNextPasesList(passTable, howmany):
 
         output.append([satellite, start, start + duration])
     if peak:
-        print "This is a miracle!"  # codacy cheating, sorry.
+        print("This is a miracle!")  # codacy cheating, sorry.
     return output
 
 
@@ -619,55 +664,8 @@ def generatePassTableAndSaveFiles(satellites, qth, verbose=True):
     CreateGanttChart(listNextPasesListList)
 
     if verbose:
-        print listNextPasesTxt(passTable, 100)
-
-
-
-# --------------------------------------------------------------------------- #
-# --------- THE WEBSERVER --------------------------------------------------- #
-# --------------------------------------------------------------------------- #
-
-app = Flask(__name__, template_folder="var/flask/templates/", static_folder='var/flask/static')
-socketio = SocketIO(app)
-
-def file_read(filename):
-    with codecs.open(filename, 'r', encoding='utf-8', errors='replace') as f:
-        lines = f.read()
-    linesBr = "<br />".join( lines.split("\n") )
-    return linesBr
-
+        print(listNextPasesTxt(passTable, 100))
 
-@app.route('/')
-def homepage():
-    logfile = logFile(loggingDir)
-    logs = file_read(logfile)
-
-    body =""
-    # log window
-    body += "<h3>Recent logs</h3><p><strong>File</strong>: %s</p><pre style='height: 400px;' id='logWindow' class='pre-scrollable small text-nowrap'>%s</pre>" % (logfile, logs)
-
-    # next pass table
-    passTable = genPassTable(satellites, qth)
-    body += "<h3>Next passes</h3><span id='nextPassWindow'>%s</span>" % ( listNextPasesHtml(passTable, 10) )
-    return render_template('index.html', title="Home page", body=body)
-
-@socketio.on('my event')
-def handle_my_custom_event(text):
-    socketio.emit('my response', { 'tekst': text } )
-
-@socketio.on('next pass table')
-def handle_next_pass_list(text):
-    socketio.emit('response next pass table', { 'tekst': text } )
-
-
-#
-# show pass table
-#
-
-@app.route('/table')
-def passTable():
-    body=file_read(htmlNextPassList)
-    return render_template('index.html', title="Pass table", body=body)
 
 
 # --------------------------------------------------------------------------- #
@@ -675,13 +673,10 @@ def passTable():
 # --------------------------------------------------------------------------- #
 
 def mainLoop():
+    debugPrint("Main loop started.")
     dongleShift = getDefaultDongleShift()
 
     while True:
-
-        # each loop - reads the config file in case it has changed
-        from autowx2_conf import *  # configuration
-
         # recalculate table of next passes
         passTable = genPassTable(satellites, qth)
 
@@ -692,9 +687,6 @@ def mainLoop():
         log("Next five passes:")
         listNextPases(passTable, 5)
 
-        # pass table for webserver
-        handle_next_pass_list(listNextPasesHtml(passTable, 10))
-
         # get the very next pass
         satelitePass = passTable[0]
         satellite, start, duration, peak, azimuth = satelitePass
@@ -714,8 +706,7 @@ def mainLoop():
         towait = int(start - time.time())
 
         if cleanupRtl:
-            log("Killing all remaining rtl_* processes...")
-            justRun(["bin/kill_rtl.sh"], loggingDir)
+            killRtl()
 
         # test if SDR dongle is available
         if towait > 15: # if we have time to perform the test?
@@ -725,6 +716,8 @@ def mainLoop():
 
         # It's a high time to record!
         if towait <= 1 and duration > 0:
+            debugPrint("Recording duration: %d seconds" % duration)
+            debugPrint("Time to wait: %d seconds" % towait)
             # here the recording happens
             log("!! Recording " + printPass(satellite, start, duration,
                 peak, azimuth, freq, processWith), style=bc.WARNING)
@@ -738,7 +731,12 @@ def mainLoop():
                 peak,
                 azimuth,
                 freq]
-            print justRun(processCmdline, loggingDir)
+            debugPrint("Process command line: ")
+            debugPrint(processCmdline)
+            cmdline_result = justRun(processCmdline, loggingDir)
+
+            debugPrint("Command line result: ")
+            debugPrint(cmdline_result)
             time.sleep(10.0)
 
         # still some time before recording
@@ -755,13 +753,13 @@ def mainLoop():
                         (t2humanMS(towait - 1)))
                     log("Running: %s for %ss" %
                         (scriptToRunInFreeTime, t2humanMS(towait - 1)))
-                    runForDuration(
+                    justRun(
                         [scriptToRunInFreeTime,
                          towait - 1,
                          dongleShift],
-                        towait - 1, loggingDir)
-                                   # scrript with run time and dongle shift as
-                                   # arguments
+                        loggingDir,
+                        towait - 1)
+                    # scrript with run time and dongle shift as arguments
                 else:
                     log("Sleeping for: " + t2humanMS(towait - 1) + "s")
                     time.sleep(towait - 1)
diff --git a/bin/gen-static-page.sh b/bin/gen-static-page.sh
index ff5c0b7..222a79d 100755
--- a/bin/gen-static-page.sh
+++ b/bin/gen-static-page.sh
@@ -84,7 +84,7 @@ echo "<p></p>" >> $dirList
 
 echo "<h4>Archive</h4>" >> $dirList
 echo "<ul>" >> $dirList
-echo "<li><a href='$wwwRootPath/recordings/noaa/img/$(date +"%Y/%m/%d")/index.html'>Today</a> <span class='badge badge-pill badge-light'>$howManyToday</span> </li>" >> $dirList
+echo "<li><a href='${wwwRootPath}/recordings/noaa/img/$(date +"%Y/%m/%d")/index.html'>Today</a> <span class='badge badge-pill badge-light'>$howManyToday</span> </li>" >> $dirList
 
 for y in $(ls $noaaDir/img/ | sort -n)
 do
@@ -95,7 +95,7 @@ do
     for d in $(ls $noaaDir/img/$y/$m/ | sort -n)
     do
       # collect info about files in the directory
-      echo "<a href='$wwwRootPath/recordings/noaa/img/$y/$m/$d/index.html'>$d</a> " >> $dirList
+      echo "<a href='${wwwRootPath}/recordings/noaa/img/$y/$m/$d/index.html'>$d</a> " >> $dirList
     done
     echo "</li>" >> $dirList
   done
@@ -127,7 +127,7 @@ echo "<p></p>" >> $dirList
 
 echo "<h4>Archive</h4>" >> $dirList
 echo "<ul>" >> $dirList
-echo "<li><a href='$wwwRootPath/recordings/meteor/img/$(date +"%Y/%m/%d")/index.html'>Today</a> <span class='badge badge-pill badge-light'>$howManyToday</span> </li>" >> $dirList
+echo "<li><a href='${wwwRootPath}/recordings/meteor/img/$(date +"%Y/%m/%d")/index.html'>Today</a> <span class='badge badge-pill badge-light'>$howManyToday</span> </li>" >> $dirList
 
 for y in $(ls $meteorDir/img/ | grep -v 'raw' | sort -n)
 do
@@ -138,7 +138,7 @@ do
     for d in $(ls $meteorDir/img/$y/$m/ | sort -n)
     do
       # collect info about files in the directory
-      echo "<a href='$wwwRootPath/recordings/meteor/img/$y/$m/$d/index.html'>$d</a> " >> $dirList
+      echo "<a href='${wwwRootPath}/recordings/meteor/img/$y/$m/$d/index.html'>$d</a> " >> $dirList
     done
     echo "</li>" >> $dirList
   done
@@ -157,14 +157,14 @@ howManyToday=$(ls $recordingDir/iss/rec/$(date +"%Y/%m/")/*.log 2> /dev/null| wc
 
 echo "<h2>ISS recordings</h2>" >> $dirList
 echo "<ul>" >> $dirList
-echo "<li><a href='$wwwRootPath/recordings/iss/rec/$(date +"%Y/%m/")'>Current month</a> <span class='badge badge-pill badge-light'>$howManyToday</span>" >> $dirList
+echo "<li><a href='${wwwRootPath}/recordings/iss/rec/$(date +"%Y/%m/")'>Current month</a> <span class='badge badge-pill badge-light'>$howManyToday</span>" >> $dirList
 
 for y in $(ls $recordingDir/iss/rec/ | sort -n)
 do
   echo "<li>($y) " >> $dirList
   for m in $(ls $recordingDir/iss/rec/$y | sort -n)
   do
-    echo "<a href='$wwwRootPath/recordings/iss/rec/$y/$m/'>$m</a> " >> $dirList
+    echo "<a href='${wwwRootPath}/recordings/iss/rec/$y/$m/'>$m</a> " >> $dirList
   done
   echo "</li>" >> $dirList
 done
@@ -179,8 +179,8 @@ function gallery_logs {
 
   echo "<h2>Logs</h2>" >> $dirList
   echo "<ul>"  >> $dirList
-  echo "<li><a href='$wwwRootPath/recordings/logs/$(date +"%Y-%m-%d").txt'>Today</a></li>" >> $dirList
-  echo "<li><a href='$wwwRootPath/recordings/logs/'>All logs</a></li>" >> $dirList
+  echo "<li><a href='${wwwRootPath}/recordings/logs/$(date +"%Y-%m-%d").txt'>Today</a></li>" >> $dirList
+  echo "<li><a href='${wwwRootPath}/recordings/logs/'>All logs</a></li>" >> $dirList
   echo "</ul>"  >> $dirList
 }
 
@@ -188,8 +188,8 @@ function gallery_logs {
 
 function gallery_dump1090 {
   echo "<h2>dump1090 heatmap</h2>" >> $dirList
-  echo "<img src='$wwwRootPath/recordings/dump1090/heatmap-osm.jpg' alt='dump1090 heatmap' class="img-thumbnail" />" >> $dirList
-  echo "<img src='$wwwRootPath/recordings/dump1090/heatmap-osm2.jpg' alt='dump1090 heatmap' class="img-thumbnail" />" >> $dirList
+  echo "<img src='${wwwRootPath}/recordings/dump1090/heatmap-osm.jpg' alt='dump1090 heatmap' class="img-thumbnail" />" >> $dirList
+  echo "<img src='${wwwRootPath}/recordings/dump1090/heatmap-osm2.jpg' alt='dump1090 heatmap' class="img-thumbnail" />" >> $dirList
 }
 
 
diff --git a/install.sh b/install.sh
index e4402b5..d0a8e81 100644
--- a/install.sh
+++ b/install.sh
@@ -96,6 +96,8 @@ echo "******** Installing multimon-ng-stqc"
 echo
 echo
 
+sudo apt-get install libpulse-dev
+
 cd $baseDir/bin/sources/
 
 git clone https://github.com/sq5bpf/multimon-ng-stqc.git
diff --git a/modules/meteor-m2/meteor.conf b/modules/meteor-m2/meteor.conf
new file mode 100644
index 0000000..665633b
--- /dev/null
+++ b/modules/meteor-m2/meteor.conf
@@ -0,0 +1,18 @@
+#
+# meteor m2 module configuration file
+#
+
+# where images from mrlpt are saved
+# (as declared in mlrptrc config file - check it!)
+# eg: /var/lrpt/images/
+rawImageDir="/meteor/img/raw/"
+
+
+# directory with meteor stuff
+meteorDir="$recordingDir/meteor/"
+
+# directory where the images finally will go
+imgdir="$meteorDir/img/"$(date +"%Y/%m/%d/")
+
+# resize images to the given size to avoid growing of the repository; in px
+resizeimageto=1024
diff --git a/modules/noaa/noaa.conf b/modules/noaa/noaa.conf
new file mode 100644
index 0000000..2427289
--- /dev/null
+++ b/modules/noaa/noaa.conf
@@ -0,0 +1,46 @@
+#
+# NOAA module configuration fine tuning
+# usually there is no need to modify anything
+#
+
+
+# directory with noaa stuff
+noaaDir="$recordingDir/noaa/"
+
+# directory for generated images
+rootImgDir="$noaaDir/img"
+imgdir="$rootImgDir/"$(date +"%Y/%m/%d/")
+
+# directory for recorded raw and wav files
+rootRecDir="$noaaDir/rec"
+recdir="$rootRecDir/"$(date +"%Y/%m/%d/")
+
+
+#
+# Sample rate, width of recorded signal - should include few kHz for doppler shift
+sample='48000'
+# Sample rate of the wav file. Shouldn't be changed
+wavrate='11025'
+
+#
+# Dongle index, is there any rtl_fm allowing passing serial of dongle?
+dongleIndex='0'
+
+# enchancements to apply to the pocessed images. See wxtoimg manual for available options
+enchancements=('MCIR-precip' 'HVC' 'MSA' 'therm' 'HVCT-precip' 'NO')
+
+# Option to show the map outline on the image output. Change to 
+mapOutline=1
+
+# Option to save images as PNG or JPG (if neither, defaults to JPG)
+imageExtension="png"
+# imageExtension="jpg"
+
+# resize images to the given size to avoid growing of the repository; in px
+# otherwise, comment out the line
+resizeimageto=1024
+
+# The images stored take up room, as well as the recordings (if storing recordings). Over time,
+# this data might not be necessary, so it should to be removed. Store the data for a specificed
+# number of days (set to 0 for "do not remove").
+keepDataForDays = 7
diff --git a/modules/noaa/noaa.conf.example b/modules/noaa/noaa.conf.example
index 8f47cbd..df86b03 100644
--- a/modules/noaa/noaa.conf.example
+++ b/modules/noaa/noaa.conf.example
@@ -27,6 +27,13 @@ dongleIndex='0'
 # enchancements to apply to the pocessed images. See wxtoimg manual for available options
 enchancements=('MCIR-precip' 'HVC' 'MSA' 'therm' 'HVCT-precip' 'NO')
 
+# Option to show the map outline on the image output. Change to 0 to turn off map outline
+mapOutline=1
+
+# Option to save images as PNG or JPG (if neither, defaults to JPG)
+imageExtension="png"
+# imageExtension="jpg"
+
 # resize images to the given size to avoid growing of the repository; in px
 # otherwise, comment out the line
 resizeimageto=1024
diff --git a/modules/noaa/noaa.sh b/modules/noaa/noaa.sh
index 37310ff..d6e9f3e 100755
--- a/modules/noaa/noaa.sh
+++ b/modules/noaa/noaa.sh
@@ -10,6 +10,7 @@
 scriptDir="$(dirname "$(realpath "$0")")"
 source $scriptDir/basedir_conf.py
 source $baseDir/_listvars.sh
+source $baseDir/shell_functions.sh
 
 #
 # read configuration file
@@ -57,8 +58,6 @@ echo "enchancements=${enchancements}"
 # recdir="tests/"
 #-------------------------------#
 
-
-
 #
 # create directories
 #
@@ -83,23 +82,23 @@ echo $freq >> $logFile
 #
 # execute recordigng scriptDir and passing all arguments to the script
 #
-
+debugEcho "Recording..."
 source $scriptDir/noaa_record.sh
 
 #
 # execute processing script and passing all arguments to the script
 #
-
+debugEcho "Processing..."
 source $scriptDir/noaa_process.sh
 
 #
 # generate gallery for a given pass
 #
-
+debugEcho "Generating gallery..."
 source $scriptDir/noaa_gallery.sh
 
 #
 # generate static pages
 #
-
+debugEcho "Generating static page..."
 $baseDir/bin/gen-static-page.sh
diff --git a/modules/noaa/noaa_gallery.sh b/modules/noaa/noaa_gallery.sh
index 99b61b9..c9fc05d 100755
--- a/modules/noaa/noaa_gallery.sh
+++ b/modules/noaa/noaa_gallery.sh
@@ -33,10 +33,14 @@ htmlTemplate="$wwwDir/index.tpl"
 
 # ---single gallery preparation------------------------------------------------#
 
+if [ "${imageExtension}" == "" ]; then
+    imageExtension = "jpg";
+fi
+
 makethumb() {
-    obrazek="$1"
-    local thumbnail=$(basename "$obrazek" .jpg)".th.jpg"
-    convert -define jpeg:size=200x200 "$obrazek" -thumbnail '200x200^' granite: +swap -gravity center -extent 200x200 -composite -quality 82 "$thumbnail"
+    localImage="$1"
+    local thumbnail=$(basename "$localImage" ".$imageExtension")".th.jpg"
+    convert -define jpeg:size=200x200 "$localImage" -thumbnail '200x200^' granite: +swap -gravity center -extent 200x200 -composite -quality 82 "$thumbnail"
     echo "$thumbnail"
     }
 
@@ -65,11 +69,11 @@ echo "<p>f=${varFreq}Hz, peak: ${varPeak}°, duration: ${varDur}s</p>" >> $outHt
 for enchancement in "${enchancements[@]}"
 do
     echo "**** $enchancement"
-    obrazek="$fileNameCore-$enchancement+map.jpg"
-    sizeof=$(du -sh "$obrazek" | cut -f 1)
+    image="$fileNameCore-${enchancement}${withMapExtension}.${imageExtension}"
+    sizeof=$(du -sh "$image" | cut -f 1)
     # generate thumbnail
-    thumbnail=$(makethumb "$obrazek")
-    echo "<a data-fancybox='gallery' data-caption='$varSat | $varDate | $enchancement ($sizeof)' href='$wwwPath/$obrazek'><img src='$wwwPath/$thumbnail' alt='$enchancement' title='$enchancement | $sizeof' class='img-thumbnail' /></a> " >> $outHtml
+    thumbnail=$(makethumb "$image")
+    echo "<a data-fancybox='gallery' data-caption='$varSat | $varDate | $enchancement ($sizeof)' href='$wwwPath/$image'><img src='$wwwPath/$thumbnail' alt='$enchancement' title='$enchancement | $sizeof' class='img-thumbnail' /></a> " >> $outHtml
 done
 
 thumbnail=$(makethumb "$fileNameCore-spectrogram.jpg")
diff --git a/modules/noaa/noaa_process.sh b/modules/noaa/noaa_process.sh
index c7b963d..d14a1af 100755
--- a/modules/noaa/noaa_process.sh
+++ b/modules/noaa/noaa_process.sh
@@ -4,11 +4,46 @@
 # all variables are provided by noaa.sh
 
 
+function removeFolderFromDirectory() {
+  # This function must have two parameters:
+  #   $1 - the folder name to remove
+  #   $2 - the directory from which to remove $1 from
+  if [ $# -lt 2 ]; then
+    echo "Illegal number of parameters"
+    return -1
+  fi
+
+  # Look for the directory described in $2 from the current directory
+  if [ "$(ls -d */ | grep $2)" == "" ]; then
+    echo "Directory [$2] not found"
+    return -1
+  fi
+
+  # Find the folder described in $1 in the folder $2
+  if [ $(find $2 -type d -name "$1" -prune -print) ]; then
+    rm -drf $2/$1/
+  fi
+
+  return 0
+}
+
+
+#
+# get the image file extension
+#
+
+if [ "$imageExtension" == "" ]; then
+  imageExtension = "jpg"
+fi
 
 #
-# generate map
+# generate map - only if configured to do so
 #
-wxmap -T "$satellite" -a -H $tleFileName -o -O $duration -L "$latlonalt" $start $imgdir/$fileNameCore-mapa.png | tee -a $logFile
+if [ $mapOutline != 0 ]; then
+  wxmap -T "$satellite" -a -H $tleFileName -o -O $duration -L "$latlonalt" $start $imgdir/$fileNameCore-mapa.png | tee -a $logFile
+  withMapOutline="-m ${imgdir}/${fileNameCore}-mapa.png"
+  withMapExtension="+map"
+fi
 
 #
 # should we resize images?
@@ -25,11 +60,12 @@ fi
 
 for enchancement in "${enchancements[@]}"
 do
-    echo "**** $enchancement"
-#     wxtoimg -e $enchancement $recdir/$fileNameCore.wav $imgdir/$fileNameCore-${enchancement}.png | tee -a $logFile
-    wxtoimg -e $enchancement -m $imgdir/$fileNameCore-mapa.png $recdir/$fileNameCore.wav $imgdir/$fileNameCore-${enchancement}+map.png | tee -a $logFile
-    convert -quality 91 $resizeSwitch $imgdir/$fileNameCore-${enchancement}+map.png $imgdir/$fileNameCore-${enchancement}+map.jpg
-    rm $imgdir/$fileNameCore-${enchancement}+map.png
+  echo "**** $enhancement"
+  wxtoimg -e $enchancement $withMapOutline $recdir/$fileNameCore.wav $imgdir/$fileNameCore-${enchancement}${withMapExtension}.png | tee -a $logFile
+  convert -quality 91 $resizeSwitch $imgdir/$fileNameCore-${enchancement}${withMapExtension}.png $imgdir/$fileNameCore-${enchancement}${withMapExtension}.${imageExtension}
+  if [ "$imageExtension" != "png" ]; then
+      rm $imdir/$fileNameCore-${endhancement}${withMapExtension}.png
+  fi
 done
 
 sox $recdir/$fileNameCore.wav -n spectrogram -o $imgdir/$fileNameCore-spectrogram.png
@@ -38,3 +74,36 @@ convert -quality 90 $imgdir/$fileNameCore-spectrogram.png $imgdir/$fileNameCore-
 rm $imgdir/$fileNameCore-mapa.png
 rm $imgdir/$fileNameCore-spectrogram.png
 rm $recdir/$fileNameCore.wav
+
+# Remove old data
+if [ keepDataForDays -gt 0 ]; then
+  # Check the dates
+  oldDate = $(date --date="$keepDataForDays days ago")
+
+  oldYear = $(date --date="$oldDate" +%Y)
+  oldMonth = $(date --date="$oldDate" +%m)
+  oldDay = $(date --date="$oldDate" +%d)
+
+  newYear = $(date +%Y)
+  newMonth = $(date +%m)
+  newDay = $(date +%d)
+
+  # Remove data
+  if [ $oldYear -ne $newYear ]; then
+    # The old year is different than the new year (ie old year is the previous year). Therefore,
+    # just remove the entire directory.
+    removeFolderFromDirectory $oldYear $rootImgDir
+    removeFolderFromDirectory $oldYear $rootRecDir
+  elif [ $oldMonth -ne $newMonth ]; then
+    # The old month is different than the new month (ie old month is the previous month). Therefore,
+    # just remove the entire directory.
+    removeFolderFromDirectory $oldMonth $rootImgDir/$oldYear
+    removeFolderFromDirectory $oldMonth $rootRecDir/$oldYear
+  elif [ $oldDay -ne $newDay ]; then
+    # The old day is different than the new day (ie old day is the previous day). Therefore,
+    # just remove the entire directory.
+    removeFolderFromDirectory $oldYear $rootImgDir/$oldYear/$oldMonth
+    removeFolderFromDirectory $oldYear $rootRecDir/$oldYear/$oldMonth
+  fi
+
+fi
diff --git a/modules/noaa/noaa_record.sh b/modules/noaa/noaa_record.sh
index d6fb180..8050678 100755
--- a/modules/noaa/noaa_record.sh
+++ b/modules/noaa/noaa_record.sh
@@ -7,13 +7,13 @@
 #
 # recording here
 #
-
+debugEcho "Recording"
 timeout $duration rtl_fm $biast -f $freq -s $sample -g $dongleGain -F 9 -A fast -E offset -p $dongleShift $recdir/$fileNameCore.raw | tee -a $logFile
 
 #
 # transcoding here
 #
-
+debugEcho "Transcoding"
 sox -t raw -r $sample -es -b 16 -c 1 -V1 $recdir/$fileNameCore.raw $recdir/$fileNameCore.wav rate $wavrate | tee -a $logFile
 touch -r $recdir/$fileNameCore.raw $recdir/$fileNameCore.wav
 rm $recdir/$fileNameCore.raw
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..9d3180c
--- /dev/null
+++ b/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "express",
+  "version": "4.17.1",
+  "description": "Used to creat JS Express scripts.",
+  "main": "server.js",
+  "directories": {
+    "doc": "docs"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node server.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/filipsPL/autowx2.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/filipsPL/autowx2/issues"
+  },
+  "homepage": "https://github.com/filipsPL/autowx2#readme"
+}
diff --git a/requirements.txt b/requirements.txt
index 97278ec..e4c7f12 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 pypredict
 matplotlib
 numpy
-Flask
-Flask-SocketIO
+NodeJS
diff --git a/shell_functions.sh b/shell_functions.sh
new file mode 100644
index 0000000..a97491b
--- /dev/null
+++ b/shell_functions.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+debugEcho() {
+  echo "[DEBUG] $1"
+}
diff --git a/shell_scripts.sh b/shell_scripts.sh
new file mode 100644
index 0000000..f1d18b0
--- /dev/null
+++ b/shell_scripts.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Need an input parameter, which should come in the form of a shell
+input=""
+
+# Infinite loop. Keep checking input until told otherwise.
+while [ true ]
+do
+    read input
+
+    # If the input is the command to break out of the loop, exit
+    # the loop.
+    if [ "$input" = "--exit" ];
+    then
+        break
+    fi
+
+    # We are going to assume it is a command.
+    eval $input
+
+    # Use a random string to notify when the command has finished
+    # running
+    echo "SQsw48V8JZLwGOscVeuO"
+
+    # End of loop
+done
+
+echo "End of shell scripts."
+
+return 0
diff --git a/var/flask/templates/index.html b/var/flask/templates/index.html
deleted file mode 100644
index 32332c8..0000000
--- a/var/flask/templates/index.html
+++ /dev/null
@@ -1,96 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-  <head>
-
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta name="description" content="autowx2 automated satellite receiving station">
-    <meta name="author" content="filipsPL@github">
-
-    <title>autowx2 automated satellite receiving station :: {{title}}</title>
-
-    <!-- Bootstrap core CSS -->
-    <link href="{{ url_for('static',filename='bootstrap.min.css') }}" rel="stylesheet">
-    <!-- Custom styles for this template -->
-    <link href="{{ url_for('static',filename='logo-nav.css') }}" rel="stylesheet">
-    <link  href="{{ url_for('static',filename='fancybox/jquery.fancybox.min.css') }}" rel="stylesheet">
-    <script type="text/javascript" src="{{ url_for('static',filename='socket.io.slim.js') }}"></script>
-
-    <!-- Bootstrap core JavaScript -->
-    <script src="{{ url_for('static',filename='jquery.min.js') }}"></script>
-    <script src="{{ url_for('static',filename='bootstrap.bundle.min.js') }}"></script>
-    <script src="{{ url_for('static',filename='fancybox/jquery.fancybox.min.js') }}"></script>
-
-    <script type="text/javascript">
-    console.log( "Start!" )
-    // when document is loaded
-    $( document ).ready(function() {
-      var psconsole = $('#logWindow');
-      if(psconsole.length) psconsole.scrollTop(psconsole[0].scrollHeight - psconsole.height());
-    });
-
-    // socket.io
-      var socket = io.connect('http://' + document.domain + ':' + location.port);
-    // log window //
-     socket.on( 'my response', function( msg ) {
-       console.log( msg )
-        $('#logWindow').append( msg.tekst );
-        var psconsole = $('#logWindow');
-        if(psconsole.length) psconsole.scrollTop(psconsole[0].scrollHeight - psconsole.height());
-           })
-     // Pass Table in Html //
-     socket.on( 'response next pass table', function( msg ) {
-       console.log( msg )
-        $('#nextPassWindow').html( msg.tekst ); //text
-           })
-    </script>
-
-
-  </head>
-
-  <body>
-
-    <!-- Navigation -->
-    <nav class="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
-      <div class="container">
-        <a class="navbar-brand" href="/">
-          autowx2 | automatic receiving station
-        </a>
-        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
-          <span class="navbar-toggler-icon"></span>
-        </button>
-        <div class="collapse navbar-collapse" id="navbarResponsive">
-          <ul class="navbar-nav ml-auto">
-            <li class="nav-item active">
-              <a class="nav-link" href="/">Home<span class="sr-only">(current)</span></a>
-            </li>
-          <li>
-            <a class="nav-link" href="/table">Pass table</a>
-          </li>
-          <li>
-            <a class="nav-link" href="/lastlog">Recent logs</a>
-          </li>
-
-            <li class="nav-item">
-              <a class="nav-link" href="https://github.com/filipsPL/autowx2">Source code</a>
-            </li>
-          </ul>
-        </div>
-      </div>
-    </nav>
-
-    <!-- Page Content -->
-    <div class="container">
-<h1>{{title}}</h1>
-
-{% autoescape false %}
-{{ body }}
-{% endautoescape %}
-
-    </div>
-    <!-- /.container -->
-
-  </body>
-
-</html>
diff --git a/var/flask/static/bootstrap.bundle.min.js b/var/node/static/bootstrap.bundle.min.js
similarity index 100%
rename from var/flask/static/bootstrap.bundle.min.js
rename to var/node/static/bootstrap.bundle.min.js
diff --git a/var/flask/static/bootstrap.bundle.min.js.map b/var/node/static/bootstrap.bundle.min.js.map
similarity index 100%
rename from var/flask/static/bootstrap.bundle.min.js.map
rename to var/node/static/bootstrap.bundle.min.js.map
diff --git a/var/flask/static/bootstrap.min.css b/var/node/static/bootstrap.min.css
similarity index 100%
rename from var/flask/static/bootstrap.min.css
rename to var/node/static/bootstrap.min.css
diff --git a/var/flask/static/bootstrap.min.css.map b/var/node/static/bootstrap.min.css.map
similarity index 100%
rename from var/flask/static/bootstrap.min.css.map
rename to var/node/static/bootstrap.min.css.map
diff --git a/var/flask/static/fancybox/jquery.fancybox.min.css b/var/node/static/fancybox/jquery.fancybox.min.css
similarity index 100%
rename from var/flask/static/fancybox/jquery.fancybox.min.css
rename to var/node/static/fancybox/jquery.fancybox.min.css
diff --git a/var/flask/static/fancybox/jquery.fancybox.min.js b/var/node/static/fancybox/jquery.fancybox.min.js
similarity index 100%
rename from var/flask/static/fancybox/jquery.fancybox.min.js
rename to var/node/static/fancybox/jquery.fancybox.min.js
diff --git a/var/flask/static/fancybox/source.md b/var/node/static/fancybox/source.md
similarity index 100%
rename from var/flask/static/fancybox/source.md
rename to var/node/static/fancybox/source.md
diff --git a/var/flask/static/jquery.min.js b/var/node/static/jquery.min.js
similarity index 100%
rename from var/flask/static/jquery.min.js
rename to var/node/static/jquery.min.js
diff --git a/var/flask/static/logo-nav.css b/var/node/static/logo-nav.css
similarity index 100%
rename from var/flask/static/logo-nav.css
rename to var/node/static/logo-nav.css
diff --git a/var/flask/static/socket.io.slim.js b/var/node/static/socket.io.slim.js
similarity index 100%
rename from var/flask/static/socket.io.slim.js
rename to var/node/static/socket.io.slim.js
diff --git a/var/flask/static/socket.io.slim.js.map b/var/node/static/socket.io.slim.js.map
similarity index 100%
rename from var/flask/static/socket.io.slim.js.map
rename to var/node/static/socket.io.slim.js.map
diff --git a/var/node/templates/index.html b/var/node/templates/index.html
new file mode 100644
index 0000000..4be326d
--- /dev/null
+++ b/var/node/templates/index.html
@@ -0,0 +1,65 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+    <meta name="description" content="autowx2 automated satellite receiving station">
+    <meta name="author" content="filipsPL@github">
+
+    <title>autowx2 automated satellite receiving station :: {{title}}</title>
+
+    <!-- Bootstrap core CSS -->
+    <link href="{{static_dir}}/bootstrap.min.css" rel="stylesheet">
+    <!-- Custom styles for this template -->
+    <link href="{{static_dir}}/logo-nav.css" rel="stylesheet">
+    <link href="{{static_dir}}/fancybox/jquery.fancybox.min.css" rel="stylesheet">
+
+    <!-- Bootstrap core JavaScript -->
+    <script src="{{static_dir}}/jquery.min.js"></script>
+    <script src="{{static_dir}}/bootstrap.bundle.min.js"></script>
+    <script src="{{static_dir}}/fancybox/jquery.fancybox.min.js"></script>
+</head>
+
+<body>
+
+    <!-- Navigation -->
+    <nav class="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
+        <div class="container">
+            <a class="navbar-brand" href="/">
+                autowx2 | automatic receiving station
+            </a>
+            <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive"
+                aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
+                <span class="navbar-toggler-icon"></span>
+            </button>
+            <div class="collapse navbar-collapse" id="navbarResponsive">
+                <ul class="navbar-nav ml-auto">
+                    <li class="nav-item active">
+                        <a class="nav-link" href="/">Home<span class="sr-only">(current)</span></a>
+                    </li>
+                    <li>
+                        <a class="nav-link" href="/table.html">Pass table</a>
+                    </li>
+
+                    <li class="nav-item">
+                        <a class="nav-link" href="https://github.com/filipsPL/autowx2">Source code</a>
+                    </li>
+                </ul>
+            </div>
+        </div>
+    </nav>
+
+    <!-- Page Content -->
+    <div class="container">
+        <h1>{{title}}</h1>
+
+        {{body}}
+
+    </div>
+    <!-- /.container -->
+
+</body>
+
+</html>
\ No newline at end of file
diff --git a/var/www/server.js b/var/www/server.js
new file mode 100644
index 0000000..24fed9d
--- /dev/null
+++ b/var/www/server.js
@@ -0,0 +1,134 @@
+var http = require('http');
+var express = require('express');
+var fs = require('fs');
+
+var app = express();
+
+app.use(express['static'](__dirname));
+
+const homeDir = "/home/pi/autowx2";
+const wwwRootDir = "/var/www";
+const wwwDir = homeDir + wwwRootDir;
+const loggingDir = "/recordings/logs"
+const staticDir = "/css";
+const nextPassShort = wwwDir + "/nextpassshort.tmp";
+const mainIndexTemplate = homeDir + "/var/node/templates/index.html";
+
+function renderTemplate(templateFile, title, body, response) {
+    var html = "";
+    try {
+        html = fs.readFileSync(templateFile, "utf8");
+    } catch (e) {
+        response.status(500).send({
+            internal_error: e
+        });
+        return;
+    }
+
+    html = html.replace(/{{title}}/gi, title);
+    html = html.replace(/{{body}}/gi, body);
+
+    html = html.replace(/{{static_dir}}/gi, staticDir);
+    html = html.replace(/{{www_dir}}/gi, wwwRootDir);
+
+    response.status(200).send(html);
+}
+
+app.use(express.static(wwwRootDir), function (req, res, next) {
+    // Uncomment the line below to view the entire URL calling the API.
+    // console.log("Incoming request: " + req.originalUrl);
+    next();
+});
+
+app.get('/', function (req, res) {
+    // Check pass list file exists
+    var fileExists = true;
+    try {
+        fileExists = fs.existsSync(nextPassShort);
+    } catch {
+        fileExists = false;
+    }
+
+    var body = ""
+    if (fileExists) {
+        // next pass table
+        try {
+            // Reading a file may throw
+            var nextPassHtmlShort = fs.readFileSync(nextPassShort);
+            body += "<h3>Next passes</h3><span id='nextPassWindow'>" + nextPassHtmlShort + "</span>";
+        } catch (e) {
+            console.log(e);
+            body += "<p>Failed to load the next passes.</p>";
+        }
+    } else {
+        body = "<p>File containing the next passes could not be found.</p>"
+    }
+
+    renderTemplate(mainIndexTemplate, title = "Home page", body = body, res);
+});
+
+// The RPI doesn't handle showing the contents of a directory as a response. We
+// need to generate our own.
+app.get('/recordings/logs/', function (req, res) {
+    // Check pass list file exists
+    var bodyHtml = "<h3>All logs</h3>"
+    var files = fs.readdirSync(wwwDir + loggingDir);
+    if (files != undefined && files.length) {
+        // Generate the HTML list of log files
+        for (var i = (files.length - 1); i >= 0; i--) {
+            bodyHtml += "<a href=\"" + loggingDir + "/" + files[i] + "\">" + files[i] + "</a></br>";
+        }
+    }
+    renderTemplate(mainIndexTemplate, title = "All logs", body = bodyHtml, res);
+});
+
+// Express route for any other unrecognised incoming requests
+app.get('*', function (req, res) {
+    res.status(404).send({
+        error: 'Unrecognised API call: ' + req.originalUrl
+    });
+});
+
+app.use(function (err, req, res, next) {
+    if (req.xhr) {
+        res.status(500).send({
+            error: 'Oops! Something went wrong!'
+        });
+    } else {
+        next(err);
+    }
+});
+
+
+app.listen(3000);
+console.log('App Server running on port 3000');
+
+
+// -----------
+// Determine the local IP address of the RPI
+
+
+'use strict';
+
+var os = require('os');
+var ifaces = os.networkInterfaces();
+
+Object.keys(ifaces).forEach(function (ifname) {
+    var alias = 0;
+
+    ifaces[ifname].forEach(function (iface) {
+        if ('IPv4' !== iface.family || iface.internal !== false) {
+            // skip over internal (i.e. 127.0.0.1) and non-ipv4 addresses
+            return;
+        }
+
+        if (alias >= 1) {
+            // this single interface has multiple ipv4 addresses
+            console.log(ifname + ':' + alias, iface.address);
+        } else {
+            // this interface has only one ipv4 adress
+            console.log(ifname, iface.address);
+        }
+        ++alias;
+    });
+});
\ No newline at end of file