move install from /lib/systemd to /etc/systemd and faster dashboards IP response

Makefile

@@ -1,4 +1,4 @@
-# Copyright (c) 2018-2020 by Thomas A. Early N7TAE
+# Copyright (c) 2018-2021 by Thomas A. Early N7TAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -25,7 +25,7 @@ MMPATH=../MMDVMHost
 DMRPATH=../DMRGateway
 YSFPATH=../YSFClients/YSFGateway
 APRSPATH=../APRSGateway
-SYSDIR=/lib/systemd/system
+SYSDIR=/etc/systemd/system
 IRC=ircddb
 
 # use this if you want debugging help in the case of a crash
@@ -205,7 +205,7 @@ installdtmf : qndtmf
 
 installdash : index.php
 	/usr/bin/apt update
-	/usr/bin/apt install -y php-common php-fpm sqlite3 php-sqlite3
+	/usr/bin/apt install -y php-common php-fpm sqlite3 php-sqlite3 dnsutils
 	mkdir -p $(WWWDIR)
 	mkdir -p dashboardV2/jsonData
 	/bin/ln -f -s $(shell pwd)/index.php $(WWWDIR)

dashboardV2/init.php

@@ -48,9 +48,9 @@ function GetIP(string $type)
                if (strpos($ip, '.')) break;
           }
      } else if ('ipv6' == $type)
-          $ip = trim(`curl --silent -6 icanhazip.com`);
+          $ip = trim(`dig @resolver1.ipv6-sandbox.opendns.com AAAA myip.opendns.com +short -6`);
      else if ('ipv4' == $type)
-          $ip = trim(`curl --silent -4 icanhazip.com`);
+          $ip = trim(`dig @resolver4.opendns.com myip.opendns.com +short -4`);
      else
           $ip = '';
      return $ip;

index.php

@@ -186,8 +186,8 @@ foreach($showlist as $section) {
 			echo '</code><br>', "\n";
 			break;
 		case 'IP':
-			$hasv6 = str_contains(GetCFGValue('ircddb0_host'), 'v6');
+			$hasv6 = stristr(GetCFGValue('ircddb0_host'), 'v6');
-			if (! $hasv6) $hasv6 = str_contains(GetCFGValue('ircddb1_host'), 'v6');
+			if (! $hasv6) $hasv6 = stristr(GetCFGValue('ircddb1_host'), 'v6');
 			echo 'IP Addresses:<br>', "\n";
 			echo '<table cellpadding="1" border="1" style="font-family: monospace">', "\n";
 			echo '<tr><td style="text-align:center">Internal</td><td style="text-align:center">IPV4</td>';