--- doc/loncapafiles/loncapafiles.lpml	2020/04/06 21:13:39	1.797.2.93.2.2
+++ doc/loncapafiles/loncapafiles.lpml	2019/08/04 13:50:03	1.797.2.104
@@ -2,7 +2,7 @@
  "http://lpml.sourceforge.net/DTD/lpml.dtd">
 <!-- loncapafiles.lpml -->
 
-<!-- $Id: loncapafiles.lpml,v 1.797.2.93.2.2 2020/04/06 21:13:39 raeburn Exp $ -->
+<!-- $Id: loncapafiles.lpml,v 1.797.2.104 2019/08/04 13:50:03 raeburn Exp $ -->
 
 <!--
 
@@ -259,7 +259,7 @@ echo '**********************************
   <protectionlevel>never_delete</protectionlevel>
   <targetdir dist='default'>etc/httpd/conf</targetdir>
   <targetdir dist='suse9.2 suse9.3 sles9'>etc/httpd</targetdir>
-  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/apache2</targetdir>
+  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18 suse9.2 suse9.3 sles9 sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/apache2</targetdir>
   <categoryname>standard</categoryname>
   <description>web configuration files</description>
 </directory>
@@ -267,7 +267,7 @@ echo '**********************************
   <protectionlevel>modest_delete</protectionlevel>
   <targetdir dist='default'>etc/httpd/conf/rewrites</targetdir>
   <targetdir dist='suse9.2 suse9.3 sles9'>etc/httpd/rewrites</targetdir>
-  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/apache2/rewrites</targetdir>
+  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18 suse9.2 suse9.3 sles9 sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/apache2/rewrites</targetdir>
   <categoryname>standard</categoryname>
   <description>
   default configuration files to enable/disable http:// -> https:// rewrites
@@ -280,9 +280,9 @@ echo '**********************************
   <description>configuration directory for password authentication mechanism
   </description>
 </directory>
-<directory dist='default'>
+<directory dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 fedora1 fedora2 fedora3 fedora4 fedora5 fedora6 fedora7 fedora8 fedora9 fedora10 fedora11 fedora12 fedora13 fedora14 fedora15 fedora16 fedora17 fedora18 fedora19 fedora20 fedora21 fedora22 fedora23 fedora24 fedora25 rhes4 rhes5 rhes6 rhes7 scientific5 scientific6 scientific7 centos5 centos6 centos7 oracle6'>
   <protectionlevel>never_delete</protectionlevel>
-  <targetdir dist='default'>etc/rc.d/init.d</targetdir>
+  <targetdir dist='fedora1 fedora2 fedora3 fedora4 fedora5 fedora6 fedora7 fedora8 fedora9 fedora10 fedora11 fedora12 fedora13 fedora14 fedora15 fedora16 fedora17 fedora18 fedora19 fedora20 fedora21 fedora22 fedora23 fedora24 fedora25 rhes4 rhes5 rhes6 rhes7 scientific5 scientific6 scientific7 centos5 centos6 centos7 oracle6'>etc/rc.d/init.d</targetdir>
   <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/init.d</targetdir>
   <categoryname>standard</categoryname>
   <description>scripts that run during system startup</description>
@@ -290,49 +290,49 @@ echo '**********************************
 <directory dist='default'>
   <protectionlevel>never_delete</protectionlevel>
   <targetdir dist='default'>etc/rc.d/rc0.d</targetdir>
-  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc0.d</targetdir>
+  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18 suse9.2 suse9.3 sles9 sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc0.d</targetdir>
   <categoryname>standard</categoryname>
   <description>scripts that run for run-level 0</description>
 </directory>
 <directory dist='default'>
   <protectionlevel>never_delete</protectionlevel>
   <targetdir dist='default'>etc/rc.d/rc1.d</targetdir>
-  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc1.d</targetdir>
+  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18 suse9.2 suse9.3 sles9 sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc1.d</targetdir>
   <categoryname>standard</categoryname>
   <description>scripts that run for run-level 1</description>
 </directory>
 <directory dist='default'>
   <protectionlevel>never_delete</protectionlevel>
   <targetdir dist='default'>etc/rc.d/rc2.d</targetdir>
-  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc2.d</targetdir>
+  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18 suse9.2 suse9.3 sles9 sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc2.d</targetdir>
   <categoryname>standard</categoryname>
   <description>scripts that run for run-level 2</description>
 </directory>
 <directory dist='default'>
   <protectionlevel>never_delete</protectionlevel>
   <targetdir dist='default'>etc/rc.d/rc3.d</targetdir>
-  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc3.d</targetdir>
+  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18 suse9.2 suse9.3 sles9 sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc3.d</targetdir>
   <categoryname>standard</categoryname>
   <description>scripts that run for run-level 3</description>
 </directory>
 <directory dist='default'>
   <protectionlevel>never_delete</protectionlevel>
   <targetdir dist='default'>etc/rc.d/rc4.d</targetdir>
-  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc4.d</targetdir>
+  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18 suse9.2 suse9.3 sles9 sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc4.d</targetdir>
   <categoryname>standard</categoryname>
   <description>scripts that run for run-level 4</description>
 </directory>
 <directory dist='default'>
   <protectionlevel>never_delete</protectionlevel>
   <targetdir dist='default'>etc/rc.d/rc5.d</targetdir>
-  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc5.d</targetdir>
+  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18 suse9.2 suse9.3 sles9 sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc5.d</targetdir>
   <categoryname>standard</categoryname>
   <description>scripts that run for run-level 5</description>
 </directory>
 <directory dist='default'>
   <protectionlevel>never_delete</protectionlevel>
   <targetdir dist='default'>etc/rc.d/rc6.d</targetdir>
-  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc6.d</targetdir>
+  <targetdir dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18 suse9.2 suse9.3 sles9 sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>etc/rc6.d</targetdir>
   <categoryname>standard</categoryname>
   <description>scripts that run for run-level 6</description>
 </directory>
@@ -362,6 +362,12 @@ echo '**********************************
 </directory>
 <directory dist='default'>
   <protectionlevel>modest_delete</protectionlevel>
+  <targetdir dist='default'>home/httpd/perl/systemd</targetdir>
+  <categoryname>server readonly</categoryname>
+  <description>systemd service files for loncapa</description>
+</directory>
+<directory dist='default'>
+  <protectionlevel>modest_delete</protectionlevel>
   <targetdir dist='default'>home/httpd/perl/manage_dns</targetdir>
   <categoryname>server readonly</categoryname>
   <description>perl scripts for cluster table management on LON-CAPA DNS servers</description>
@@ -475,6 +481,12 @@ extensions</description>
 </directory>
 <directory dist='default'>
    <protectionlevel>modest_delete</protectionlevel>
+ <targetdir dist='default'>home/httpd/balanceIDs</targetdir>
+  <categoryname>server standard</categoryname>
+  <description>cookie jar</description>
+</directory>
+<directory dist='default'>
+   <protectionlevel>modest_delete</protectionlevel>
  <targetdir dist='default'>home/httpd/scantron</targetdir>
   <categoryname>server standard</categoryname>
   <description>uploaded scantron forms directory</description>
@@ -1013,7 +1025,7 @@ each list element consists of only two s
 <file>
 <source>loncom/loncapa.conf</source>
 <target dist='default'>etc/httpd/conf/loncapa.conf</target>
-<target dist='sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>etc/apache2/loncapa.conf</target>
+<target dist='sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18'>etc/apache2/loncapa.conf</target>
 <categoryname>conf</categoryname>
 <description>
 <p>
@@ -1056,7 +1068,7 @@ MySQL database</td></tr>
 <file type="postaboutversion">
 <source>loncom/loncapa_apache.conf</source>
 <target dist='default'>etc/httpd/conf/loncapa_apache.conf</target>
-<target dist='sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>etc/apache2/loncapa_apache.conf</target>
+<target dist='sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18'>etc/apache2/loncapa_apache.conf</target>
 <categoryname>static conf</categoryname>
 <description>
 The goal of this file is to implement all LON-CAPA specific
@@ -1076,7 +1088,7 @@ the www@localhost MySQL password, and br
 <file>
 <source>loncom/loncapa_apache_local.conf</source>
 <target dist='default'>etc/httpd/conf/loncapa_apache_local.conf</target>
-<target dist='sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>etc/apache2/loncapa_apache_local.conf</target>
+<target dist='sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18'>etc/apache2/loncapa_apache_local.conf</target>
 <categoryname>static conf</categoryname>
 <description>
 Documentation file describing how to add domain-specific Apache configuration
@@ -1089,7 +1101,7 @@ Include conf/loncapa_apache_local*.conf
 <file>
 <source>loncom/startup.pl</source>
 <target dist='default'>etc/httpd/conf/startup.pl</target>
-<target dist='sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>etc/apache2/startup.pl</target>
+<target dist='sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18'>etc/apache2/startup.pl</target>
 <categoryname>static conf</categoryname>
 <description>
 This file provides initializations for perl handlers.  It adjusts what
@@ -1100,7 +1112,7 @@ well as causing the Apache module to be
 </file>
 <link>
 <linkto>etc/apache2</linkto>
-<target dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>
+<target dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18'>
 etc/apache2/conf
 </target>
 <categoryname>symbolic link</categoryname>
@@ -1111,7 +1123,7 @@ symbolic link to directory /etc/apache2
 <file>
 <source>loncom/rewrites/loncapa_rewrite_off.conf</source>
 <target dist='default'>etc/httpd/conf/loncapa_rewrite.conf</target>
-<target dist='sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>etc/apache2/loncapa_rewrite.conf</target>
+<target dist='sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18'>etc/apache2/loncapa_rewrite.conf</target>
 <categoryname>conf</categoryname>
 <description>
 Default rewrite file. 
@@ -1123,18 +1135,18 @@ by setting: RewriteEngine off
 <source>loncom/rewrites/loncapa_rewrite_on.conf</source>
 <target dist='default'>etc/httpd/conf/rewrites/loncapa_rewrite_on.conf</target>
 <target dist='sles9'>etc/apache/rewrites/loncapa_rewrite_on.conf</target>
-<target dist='sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>etc/apache2/rewrites/loncapa_rewrite_on.conf</target>
+<target dist='sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18'>etc/apache2/rewrites/loncapa_rewrite_on.conf</target>
 <categoryname>static conf</categoryname>
 <description>
 File to copy to /etc/apache2/loncapa_rewrite.conf (SuSE/SLES/Debian/Ubuntu LTS) or to  /etc/httpd/conf/loncapa_rewrite.conf to enable rewriting of
-external requests for http:// to https:// 
+external requests for http:// to https://
 </description>
 </file>
 <file>
 <source>loncom/rewrites/loncapa_rewrite_off.conf</source>
 <target dist='default'>etc/httpd/conf/rewrites/loncapa_rewrite_off.conf</target>
 <target dist='sles9'>etc/apache/rewrites/loncapa_rewrite_off.conf</target>
-<target dist='sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>etc/apache2/rewrites/loncapa_rewrite_off.conf</target>
+<target dist='sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18'>etc/apache2/rewrites/loncapa_rewrite_off.conf</target>
 <categoryname>static conf</categoryname>
 <description>
 File to copy to /etc/apache2/loncapa_rewrite.conf (SuSE/SLES/Debian/Ubuntu LTS) or to  /etc/httpd/conf/loncapa_rewrite.conf to disable rewriting of
@@ -1702,6 +1714,30 @@ List of all domains in the LON-CAPA netw
   </description>
 </file>
 
+<file>
+  <source>loncom/currhostips.tab</source>
+  <target dist='default'>home/httpd/lonTabs/currhostips.tab</target>
+  <categoryname>www conf</categoryname>
+  <description>
+File containing hostname:IP address for LON-CAPA nodes in the cluster
+to which the node belongs. Updated by loncron using host information
+from authoritative membership lists retrieved from cluster's name servers,
+and standard DNS service used by OS for hostname <=> IP mapping.
+  </description>
+</file>
+
+<file>
+  <source>loncom/currhostips.tab</source>
+  <target dist='default'>home/httpd/lonTabs/prevhostips.tab</target>
+  <categoryname>www conf</categoryname>
+  <description>
+File containing hostname:IP address for LON-CAPA nodes in the cluster
+to which the node belongs, from previous check (usually 24 hours earlier).
+Updated by loncron, and used on domain's primary library server to generate
+an e-mail listing changes in hostnames and/or IP addresses.
+  </description>
+</file>
+
 <fileglob>
 <glob>*.tab</glob>
 <sourcedir>loncom/dns_checksums/</sourcedir>
@@ -1721,7 +1757,7 @@ LON-CAPA release, starting with 2.10.1
 2.11.0.tab;
 2.11.1.tab;
 2.11.2.tab;
-2.11.2.A.tab;
+2.11.3.tab;
 </filenames>
 </fileglob>
 
@@ -2478,11 +2514,11 @@ Handler to edit external resource.
 <status>works/unverified</status>
 </file>
 <file>
-<source>loncom/interface/lonexttool.pm</source>
-<target dist='default'>home/httpd/lib/perl/Apache/lonexttool.pm</target>
+<source>loncom/interface/lonexturlcheck.pm </source>
+<target dist='default'>home/httpd/lib/perl/Apache/lonexturlcheck.pm</target>
 <categoryname>handler</categoryname>
 <description>
-Handler to allow LON-CAPA to operate as an LTI Tool Consumer
+Handler to check if an external resource can be displayed in an iframe
 </description>
 <status>works/unverified</status>
 </file>
@@ -3442,7 +3478,6 @@ Docs_About_Simple_Page.tex;
 Docs_About_Syllabus.tex;
 Docs_Adding_Course_Doc.tex;
 Docs_Adding_External_Resource.tex;
-Docs_Adding_External_Tool.tex;
 Docs_Adding_Folders.tex;
 Docs_Adding_Pages.tex;
 Docs_Adding_Syllabus.tex;
@@ -4717,7 +4752,7 @@ LON-CAPA math editor
 </file>
 
 <file>
-  <source>loncom/html/adm/MathJax/mathjax-MathJax-v2.6.1.zip</source>
+  <source>loncom/html/adm/MathJax/mathjax-MathJax-v2.7.4.zip</source>
   <target dist='default'>home/httpd/html/adm/MathJax</target>
   <categoryname>script</categoryname>
   <description>
@@ -4732,7 +4767,7 @@ commands
   <dependencies>
 loncom/html/adm/MathJax/commands;
 loncom/html/adm/MathJax/VERSION;
-loncom/html/adm/MathJax/mathjax-MathJax-v2.6.1.zip;
+loncom/html/adm/MathJax/mathjax-MathJax-v2.7.4.zip;
   </dependencies>
 </file>
 
@@ -5051,11 +5086,11 @@ Addons for jQuery
   <targetdir dist='default'>home/httpd/html/adm/jQuery/js/</targetdir>
   <categoryname>interface file</categoryname>
   <description>
-jQuery custom distribution of version 1.11.3, UI version 1.11.4
+jQuery custom distribution of 3.2.1, UI version 1.12.1
   </description>
   <filenames>
-	jquery-1.11.3.min.js;
-	jquery-ui-1.11.4.custom.min.js;
+	jquery-3.2.1.min.js;
+	jquery-ui-1.12.1.custom.min.js;
   </filenames>
 </fileglob>
 
@@ -5065,10 +5100,10 @@ jQuery custom distribution of version 1.
   <targetdir dist='default'>home/httpd/html/adm/jQuery/css/smoothness/</targetdir>
   <categoryname>interface file</categoryname>
   <description>
-jQuery custom distribution of version 1.11.3, UI version 1.11.4 -- stylesheets
+jQuery custom distribution of version version 3.2.1, UI version 1.12.1 -- stylesheets
   </description>
   <filenames>
-	jquery-ui-1.11.4.custom.css;
+	jquery-ui-1.12.1.custom.min.css;
   </filenames>
 </fileglob>
 
@@ -5078,7 +5113,7 @@ jQuery custom distribution of version 1.
   <targetdir dist='default'>home/httpd/html/adm/jQuery/css/smoothness/images/</targetdir>
   <categoryname>interface file</categoryname>
   <description>
-jQuery custom distribution of version 1.11.3, UI version 1.11.4 -- images for css.
+jQuery custom distribution of version 3.2.1, UI version 1.12.1 -- images for css.
   </description>
   <filenames>
   	ui-bg_flat_0_aaaaaa_40x100.png;
@@ -6584,7 +6619,7 @@ Domain information serving.
 <file>
 <source>loncom/mime.types</source>
 <target dist='default'>etc/httpd/conf/mime.types</target>
-<target dist='sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>etc/apache2/mime.types</target>
+<target dist='sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16 ubuntu18'>etc/apache2/mime.types</target>
 <categoryname>www static conf</categoryname>
 <description>Expanded mime.types</description>
 </file>
@@ -7271,7 +7306,12 @@ compiles/tth.so.i386.perl.5.22;
 compiles/tth.so.x86_64.perl.5.22;
 compiles/tth.so.i386.perl.5.24;
 compiles/tth.so.x86_64.perl.5.24;
+compiles/tth.so.i386.perl.5.26;
+compiles/tth.so.x86_64.perl.5.26;
+compiles/tth.so.i386.perl.5.28;
+compiles/tth.so.x86_64.perl.5.28;
 compiles/tth.so.x86_64.sles12;
+compiles/tth.so.x86_64.sles15;
 compiles/tth.so.i386.debian5;
 compiles/tth.so.x86_64.debian5;
 </dependencies>
@@ -7956,7 +7996,6 @@ emblem-photos.png;
 emblem-readonly.png;
 emblem-system.png;
 extres.png;
-exttool.png;
 folder-new.png;
 folder-new-22x22.png;
 format-justify-fill.png;
@@ -8284,14 +8323,25 @@ file that allows setuid password privile
 <source>loncom/init.d/loncontrol</source>
 <target dist='default'>etc/rc.d/init.d/loncontrol</target>
 <target dist='suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>etc/init.d/loncontrol</target>
+<target dist='fedora26 fedora27 fedora28 fedora29 fedora30 sles15 ubuntu18 rhes8 centos8 oracle7'>home/httpd/perl/loncontrol</target>
 <categoryname>root script</categoryname>
 <description>
 Controls the launching/halting of lonc, lond, and lonsql processes.
 </description>
 </file>
+<file>
+<source>loncom/init.d/loncontrol.service</source>
+<target dist='default'>home/httpd/perl/systemd/loncontrol.service</target>
+<target dist='fedora26 fedora27 fedora28 fedora29 fedora30 sles15 ubuntu18 rhes8 centos8 oracle7'>etc/systemd/system/loncontrol.service</target>
+<categoryname>static conf</categoryname>
+<description>
+Controls the launching/halting of lon-capa daemons by loncontrol in systemd
+</description>
+</file>
 <link>
 <linkto dist='default'>etc/rc.d/init.d/loncontrol</linkto>
 <linkto dist='suse9.2 suse9.3 sles9 sles10 sles11 sles12 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12 ubuntu14 ubuntu16'>etc/init.d/loncontrol</linkto>
+<linkto dist='fedora26 fedora27 fedora28 fedora29 fedora30 sles15 ubuntu18 rhes8 centos8 oracle7'>home/httpd/perl/loncontrol</linkto>
 <target dist='default'>
 etc/rc.d/rc0.d/K05loncontrol;
 etc/rc.d/rc1.d/K05loncontrol;
@@ -8318,12 +8368,14 @@ etc/rc4.d/S95loncontrol;
 etc/rc5.d/S95loncontrol;
 etc/rc6.d/K05loncontrol
 </target>
+<target dist='fedora26 fedora27 fedora28 fedora29 fedora30 sles15 ubuntu18 rhes8 centos8 oracle7'>
+etc/rc.d/init.d/loncontrol
+</target>
 <categoryname>symbolic link</categoryname>
 <description>
 symbolic links to /etc/rc.d/init.d/loncontrol (redhat/fedora) or /etc/init.d/loncontrol (suse/debian) for run-levels
 </description>
 </link>
-
 <file dist="suse9.2 suse9.3 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2 sles9 sles10 sles11 sles12">
   <source>loncom/init.d/loncontrol</source>
   <target>etc/rc.d/</target>
@@ -8337,7 +8389,20 @@ symbolic links to /etc/rc.d/init.d/lonco
 loncom/init.d/loncontrol
   </dependencies>
 </file>
-
+<file dist="fedora26 fedora27 fedora28 fedora29 fedora30 sles15 ubuntu18 rhes8 centos8 oracle7">
+<source>loncom/init.d/loncontrol.service</source>
+<target>etc/systemd/system/loncontrol.service</target>
+<description>
+Controls the launching/halting of lon-capa daemons by loncontrol in systemd
+</description>
+  <installscript dist="fedora26 fedora27 fedora28 fedora29 fedora30 sles15 rhes8 centos8 oracle7">
+-c '/usr/bin/systemctl enable loncontrol.service'
+  </installscript>
+  <installscript dist="ubuntu18">
+-c '/bin/systemctl enable loncontrol.service'
+  </installscript>
+  <dependencies>loncom/init.d/loncontrol.service</dependencies>
+</file>
 <file>
   <source>doc/latex/utf8.def</source>
   <target dist='default'>usr/local/loncapa/doc/utf8.def</target>
@@ -8627,6 +8692,7 @@ view grades, but not edit them.
     </description>
 <filenames>
 activity_to_accesscount.pl;
+check_authoring_spaces.pl;
 clean_db.pl;
 db_copy.pl;
 dump_db.pl;