Inadyn systemd daemon

src/freedombone-image-customise

         mkdir -p "$rootdir/root/build"
     fi
     chroot "$rootdir" apt-get -yq install build-essential curl libgnutls28-dev automake1.11 libconfuse-dev
-    chroot "$rootdir" apt-get -yq install gnutls-dev libconfuse-dev
+    chroot "$rootdir" apt-get -yq install gnutls-dev libconfuse-dev pkg-config
 
     if [ -d /repos/inadyn ]; then
         mkdir "$rootdir/root/build/inadyn"
     chmod 600 "$rootdir/etc/inadyn.conf"
 
     { echo '[Unit]';
-      echo 'Description=inadyn (DynDNS updater)';
-      echo 'After=network.target';
+      echo 'Description=Internet Dynamic DNS Client';
+      echo 'Documentation=man:inadyn';
+      echo 'Documentation=man:inadyn.conf';
+      echo 'Documentation=https://github.com/troglobit/inadyn';
+      echo 'ConditionPathExists=/etc/inadyn.conf';
+      echo 'After=network-online.target';
+      echo 'Requires=network-online.target';
       echo '';
       echo '[Service]';
-      echo 'ExecStart=/usr/sbin/inadyn --config /etc/inadyn.conf';
-      echo 'Restart=always';
-      echo 'Type=forking';
+      echo 'Type=simple';
+      echo "ExecStart=/usr/sbin/inadyn -n -s --config ${INADYN_CONFIG_FILE}";
       echo '';
       echo '[Install]';
       echo 'WantedBy=multi-user.target'; } > "$rootdir/etc/systemd/system/inadyn.service"

src/freedombone-utils-web

     # https version 1.99.8
 
     apt-get -yq install build-essential curl libgnutls28-dev automake1.11
-    apt-get -yq install gnutls-dev libconfuse-dev
+    apt-get -yq install gnutls-dev libconfuse-dev pkg-config
 
     if [ ! -d "$INSTALL_DIR/inadyn" ]; then
         if [ -d /repos/inadyn ]; then
     chmod 600 "${INADYN_CONFIG_FILE}"
 
     { echo '[Unit]';
-      echo 'Description=inadyn (DynDNS updater)';
-      echo 'After=network.target';
+      echo 'Description=Internet Dynamic DNS Client';
+      echo 'Documentation=man:inadyn';
+      echo 'Documentation=man:inadyn.conf';
+      echo 'Documentation=https://github.com/troglobit/inadyn';
+      echo 'ConditionPathExists=/etc/inadyn.conf';
+      echo 'After=network-online.target';
+      echo 'Requires=network-online.target';
       echo '';
       echo '[Service]';
-      echo "ExecStart=/usr/sbin/inadyn --config ${INADYN_CONFIG_FILE}";
-      echo 'Restart=always';
-      echo 'Type=forking';
+      echo 'Type=simple';
+      echo "ExecStart=/usr/sbin/inadyn -n -s --config ${INADYN_CONFIG_FILE}";
       echo '';
       echo '[Install]';
       echo 'WantedBy=multi-user.target'; } > /etc/systemd/system/inadyn.service