--- doc/loncapafiles/updatequery.piml	2005/12/10 00:28:14	1.44
+++ doc/loncapafiles/updatequery.piml	2017/02/25 20:31:03	1.86
@@ -1,6 +1,6 @@
 <!-- updatequery.piml -->
 
-<!-- $Id: updatequery.piml,v 1.44 2005/12/10 00:28:14 albertel Exp $ -->
+<!-- $Id: updatequery.piml,v 1.86 2017/02/25 20:31:03 raeburn Exp $ -->
 
 <!--
 
@@ -33,6 +33,17 @@ http://www.lon-capa.org/
 <target dist='default'>/</target>
 <perlscript mode='fg'>
 $|=1;
+use strict;
+use lib '/home/httpd/lib/perl/';
+use LONCAPA::Configuration;
+use LONCAPA::Lond;
+use LONCAPA::SSL;
+use LONCAPA;
+use GDBM_File;
+use Storable qw(thaw);
+use Term::ReadKey;
+use Locale::Country;
+
   print(&lt;&lt;END);
 
 
@@ -47,26 +58,203 @@ $|=1;
 *********************************************
 
 END
-sleep(3);
+#sleep(3);
+
+sub get_static_config {
+# get LCperlvars from loncapa_apache.conf
+    my $confdir = '/etc/httpd/conf/';
+    if ('<DIST />' eq 'sles10' || '<DIST />' eq 'sles11' || '<DIST />' eq 'sles12' || '<DIST />' eq 'suse10.1' || '<DIST />' eq 'suse10.2' || '<DIST />' eq 'suse10.3' || '<DIST />' eq 'suse11.1' || '<DIST />' eq 'suse11.2' || '<DIST />' eq 'suse11.3' || '<DIST />' eq 'suse11.4' || '<DIST />' eq 'suse12.1' || '<DIST />' eq 'suse12.2' || '<DIST />' eq 'suse12.3' || '<DIST />' eq 'suse13.1' || '<DIST />' eq 'suse13.2' || '<DIST />' eq 'debian5' || '<DIST />' eq 'debian6' || '<DIST />' eq 'ubuntu6' || '<DIST />' eq 'ubuntu8' || '<DIST />' eq 'ubuntu10' || '<DIST />' eq 'ubuntu12' || '<DIST />' eq 'ubuntu14' || '<DIST />' eq 'ubuntu16') {
+        $confdir = '/etc/apache2/';
+    }
+    my $filename='loncapa_apache.conf';
+    my %LCperlvar;
+    if (-e "$confdir$filename") {
+        open(CONFIG,'&lt;'.$confdir.$filename) or die("Can't read $confdir$filename");
+        while (my $configline=&lt;CONFIG&gt;) {
+            if ($configline =~ /^[^\#]?PerlSetVar/) {
+                my ($unused,$varname,$varvalue)=split(/\s+/,$configline);
+                chomp($varvalue);
+                $LCperlvar{$varname}=$varvalue;
+            }
+        }
+        close(CONFIG);
+    }
+    return \%LCperlvar;
+}
+
+sub get_domain_config {
+    my ($dom,$primaryserver,$isprimary,$url,$perlvarref) = @_;
+    my %confhash;
+    if ($isprimary) {
+        if (ref($perlvarref) eq 'HASH') {
+            my $lonusersdir = $perlvarref-&gt;{'lonUsersDir'};
+            my $fname = $lonusersdir.'/'.$dom.'/configuration.db';
+            if (-e $fname) {
+                my $dbref=&LONCAPA::locking_hash_tie($fname,&GDBM_READER());
+                if (ref($dbref) eq 'HASH') {
+                    foreach my $key (sort(keys(%{$dbref}))) {
+                        my $value = $dbref->{$key};
+                        if ($value =~ s/^__FROZEN__//) {
+                            $value = thaw(&LONCAPA::unescape($value));
+                        } else {
+                            $value = &LONCAPA::unescape($value);
+                        }
+                        $confhash{$key} = $value;
+                    }
+                    &LONCAPA::locking_hash_untie($dbref);
+                }
+            }
+        }
+    } else {
+        if (open(PIPE,"wget --no-check-certificate '$url?primary=$primaryserver&format=raw' |")) {
+            my $config = '';
+            while (&lt;PIPE&gt;) {
+                $config .= $_;
+            }
+            close(PIPE);
+            if ($config) {
+                my @pairs=split(/\&/,$config);
+                foreach my $item (@pairs) {
+                    my ($key,$value)=split(/=/,$item,2);
+                    my $what = &LONCAPA::unescape($key);
+                    if ($value =~ s/^__FROZEN__//) {
+                        $value = thaw(&LONCAPA::unescape($value));
+                    } else {
+                        $value = &LONCAPA::unescape($value); 
+                    }
+                    $confhash{$what}=$value;
+                }
+            }
+        }
+    }
+    return (\%confhash);
+}
+
+sub make_passphrase {
+    my ($got_passwd,$firstpass,$secondpass,$passwd);
+    my $maxtries = 10;
+    my $trial = 0;
+    while ((!$got_passwd) && ($trial &lt; $maxtries)) {
+        $firstpass = &get_password('Enter password');
+        if (length($firstpass) &lt; 6) {
+            print('Password too short.'."\n".
+              'Please choose a password with at least six characters.'."\n".
+              'Please try again.'."\n");
+        } elsif (length($firstpass) &gt; 30) {
+            print('Password too long.'."\n".
+                  'Please choose a password with no more than thirty characters.'."\n".
+                  'Please try again.'."\n");
+        } else {
+            my $pbad=0;
+            foreach (split(//,$firstpass)) {if ((ord($_)&lt;32)||(ord($_)&gt;126)){$pbad=1;}}
+            if ($pbad) {
+                print('Password contains invalid characters.'."\n".
+                      'Password must consist of standard ASCII characters.'."\n".
+                      'Please try again.'."\n");
+            } else {
+                $secondpass = &get_password('Enter password a second time');
+                if ($firstpass eq $secondpass) {
+                    $got_passwd = 1;
+                    $passwd = $firstpass;
+                } else {
+                    print('Passwords did not match.'."\n".
+                          'Please try again.'."\n");
+                }
+            }
+        }
+        $trial ++;
+    }
+    return $passwd;
+}
+
+sub get_password {
+    my ($prompt) = @_;
+    local $| = 1;
+    print $prompt.': ';
+    my $newpasswd = '';
+    ReadMode 'raw';
+    my $key;
+    while(ord($key = ReadKey(0)) != 10) {
+        if(ord($key) == 127 || ord($key) == 8) {
+            chop($newpasswd);
+            print "\b \b";
+        } elsif(!ord($key) &lt; 32) {
+            $newpasswd .= $key;
+            print '*';
+        }
+    }
+    ReadMode 'normal';
+    print "\n";
+    return $newpasswd;
+}
+
+sub send_mail {
+    my ($hostname,$recipient,$subj,$file) = @_;
+    my $from = 'www@'.$hostname;
+    my $certmail = "To: $recipient\n".
+                   "From: $from\n".
+                   "Subject: ".$subj."\n".
+                   "Content-type: text/plain\; charset=UTF-8\n".
+                   "MIME-Version: 1.0\n\n";
+    if (open(my $fh,"&lt;$file")) {
+        while (&lt;$fh&gt;) {
+            $certmail .= $_;
+        }
+        close($fh);
+        $certmail .= "\n\n";
+        if (open(my $mailh, "|/usr/lib/sendmail -oi -t -odb")) {
+            print $mailh $certmail;
+            close($mailh);
+            print "Mail sent ($subj) to $recipient\n";
+        } else {
+            print "Sending mail ($subj) to $recipient failed.\n";
+        }
+    }
+    return;
+}
+
 </perlscript>
 </file>
 <file>
-<target dist='default'>loncom/hosts.tab</target>
+<target dist='default'>../../loncom/hosts.tab</target>
 <perlscript mode='fg'>
-unless (-l "<TARGET />") {
-  print(&lt;&lt;END);
+my $lonCluster;
+my $currCluster;
+
+if (-l "<TARGET />") {
+  my $currlink = readlink("<TARGET />");
+  if ($currlink =~ /^new_(existing|standalone|development|production)_hosts\.tab$/) {
+      $currCluster = $1;
+  }
+  my %clustertypes = (
+                       production  =&gt; 'PRODUCTION',
+                       standalone  =&gt; 'STAND-ALONE',
+                       development =&gt; 'DEVELOPMENT',
+                       existing    =&gt; 'RUNNING YOUR OWN CLUSTER',
+                     );
+  if (($currCluster) && (exists($clustertypes{$currCluster}))) {
+      print(&lt;&lt;END);
+
+The cluster type for this server is currently: $clustertypes{$currCluster}
+END
+
+  }
+}
+
+print(&lt;&lt;END);
 
 ===============================================================================
+
 Which cluster option would you like to have installed?
 IMPORTANT: to take advantage of the cluster options 1) and 3),
-you must contact lon-capa\@lon-capa.org.
+you must contact loncapa\@loncapa.org.
 
 1) PRODUCTION - you want to eventually connect this machine to the
                 LON-CAPA content sharing network. This setting is for
                 schools, colleges, and universities, that currently
-                are running - or in the future will run - courses
+                are running - or in the future will run - courses.
 2) STAND-ALONE - you want this machine to run in 'stand-alone' mode and
-                 not be connected to other LON-CAPA machines for now
+                 not be connected to other LON-CAPA machines for now.
 3) DEVELOPMENT - you want to do software (not content!) development with
                  this workstation and eventually link it with the
                  workstations of other LON-CAPA software developers.
@@ -81,7 +269,7 @@ END
 
 # get input
 # if valid then process, otherwise loop
-$flag=0;
+my $flag=0;
 while (!$flag) {
   print "ENTER 1, 2, 3, or 4:\n";
   my $choice=&lt;&gt;;
@@ -97,30 +285,23 @@ while (!$flag) {
   }
   elsif ($choice==4) {
     $lonCluster='existing'; $flag=1;
-    if (-e '/home/httpd/lonTabs/hosts.tab') {
-      `cp /home/httpd/lonTabs/hosts.tab ../existing_hosts.tab`;
-    }
-    else {
-      print &lt;&lt;END;
-There is no existing /home/httpd/lonTabs/hosts.tab
-END
-      die('');
-    }
-    if (-e '/home/httpd/lonTabs/domain.tab') {
-      `cp /home/httpd/lonTabs/domain.tab ../existing_domain.tab`;
-    }
-    else {
-      print &lt;&lt;END;
-There is no existing /home/httpd/lonTabs/domain.tab
+    foreach my $file ('hosts.tab','dns_hosts.tab',
+                      'domain.tab','dns_domain.tab') {
+        if (-e '/home/httpd/lonTabs/'.$file) {
+	    `cp /home/httpd/lonTabs/$file ../existing_$file`;
+        }
+        else {
+	    print &lt;&lt;END;
+There is no existing /home/httpd/lonTabs/$file
 END
-      die('');
+            die('');
+        }
     }
   }
   elsif ($choice==26) {
     $lonCluster='rawhide'; $flag=1;
   }
 }
-}
 </perlscript>
 </file>
 <file>
@@ -130,20 +311,32 @@ $|=1;
 my $domainDescription;
 my $domainTabExtras;
 my $primaryLibServer;
+my $protocol;
+my $intdom;
+my $desiredhostname;
+my $city;
+my $state;
+my $country;
 my @libservers = ();
 unless (-e "<TARGET />") {
   print(&lt;&lt;END);
            WELCOME TO LON-CAPA!
 
-If you have questions, please visit http://install.lon-capa.org
-or contact helpdesk\@lon-capa.org.
+If you have questions, please visit http://install.loncapa.org
+or contact helpdesk\@loncapa.org.
 
 ===============================================================================
-The following 4 values are needed to configure LON-CAPA:
+The following 10 values are needed to configure LON-CAPA:
 * Machine Role
 * LON-CAPA Domain Name
-* LON-CAPA Machine ID Name, and
-* System Administration E-mail Address.
+* LON-CAPA Machine ID Name
+* Server Administration E-mail Address
+* LON-CAPA Domain's Primary Library Server Machine ID
+* Web Server Protocol
+* Internet Domain Name of Your Institution
+* Hostname
+* City, State, Country for LON-CAPA SSL certificate 
+* Password for key for creating SSL certificates
 ===============================================================================
 
 In addition, a Support E-mail Address can also be included. If
@@ -161,8 +354,8 @@ close(OUT);
 **** Machine Role ****
 Library server (recommended if first-time installation of LON-CAPA):
    Servers that are repositories of authoritative educational resources.
-   These servers also provide the construction space by which instructors
-   assemble their classroom online material.
+   These servers also provide the authoring spaces in which content
+   creators (e.g., faculty instructors) create their learning content.
 Access server:
    Servers that load-balance high-traffic delivery of educational resources
    over the world-wide web.
@@ -207,18 +400,26 @@ if ($hostname=~/([^\.]*)\.([^\.]*)$/) {
   print(&lt;&lt;END);
 
 **** Domain ****
-[this does NOT need to correspond to internet address domains,
- good examples might be "msu" or "bionet" or "vermontcc",
- bad examples are "physics" (too general)
+[This does NOT need to correspond to an internet address domain.
+ Please make this name short AND descriptive of your organization.
+ Domain names are close to impossible to change later!!!
+ Good examples might be "msu" or "bionet" or "vermontcc".
+ Bad examples are "physics" (too general)
    or "michiganstateuniversity" (too long)
-   or "msuedu" (internet domain, just make it "msu")
-   or "msuphysics" (only if there is a good reason to limit)
+   or "msuedu" (just make it "msu", or else make it msu.edu)
+   or "msuphysics" (only if there is a good reason to limit to department
+                    - we don't know of one)
    or "mydomain" (what is that?)
- Please make this name short AND descriptive of your organization.
- Note that the domain is very hard to change later.
- Double-check with the LON-CAPA group at MSU if this domain is 
- going to be part of the main production cluster, since it needs
- to be unique.]
+ Avoid multiple domains at the same institution, even if it means that you 
+ have to actually work together with your colleagues. You can still run
+ multiple library servers within the same domain.
+ If this domain is eventually going to be part of the main production
+ cluster, you MUST contact the LON-CAPA group at MSU (loncapa\@loncapa.org)
+ to have a domain name assigned, and then use it exactly as given. This is
+ also true for test installs that might eventually turn into production setups.
+ The short domain name needs to be unique, if your aim is to join a cluster 
+ containing existing domains. Stop now if you have not yet contacted the 
+ MSU LON-CAPA group.] 
 END
 
 # get domain name
@@ -254,14 +455,14 @@ END
     close(OUT);
     $lonDefDomain=$choice;
     $flag=1;
-  } elsif (length($choice)>12) {
+  } elsif (length($choice)&gt;35) {
     print "Name too long\n";
-  } elsif (length($choice)<2) {
+  } elsif (length($choice)&lt;2) {
     print "Name too short\n";
   } elsif ($bad_domain_flag) {
     print "Invalid input ('$choice' conflicts with LON-CAPA namespace).\n";
     print "Please try something different than '$choice'\n";
-  } elsif ($choice!~/\_/ and $choice=~/^\w+$/) {
+  } elsif ($choice!~/\_/ and $choice=~/^[\w\-.]+$/) {
     open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
     print(OUT 'lonDefDomain'."\t".$choice."\n");
     close(OUT);
@@ -269,11 +470,10 @@ END
     $r='l';
     $flag=1;
   } else {
-    print "Invalid input (only alphanumeric characters supported).\n";
+    print "Invalid input (only alphanumeric characters, '-', and '.' supported).\n";
   }
 }
 
-
 # get domain description
 # accept if valid, if not valid, tell user and repeat
 $flag=0;
@@ -310,11 +510,11 @@ if ($lonDefDomain) {
   print(&lt;&lt;END);
 
 **** Machine ID Name ****
-[this does NOT need to correspond to internet address names;
+[This does NOT need to correspond to internet address names;
  this name MUST be unique to the whole LON-CAPA network;
- we recommend that you use a name based off of your institution;
- good examples: "msul1" or "bioneta2";
- bad examples: "loncapabox" or "studentsinside".
+ we recommend that you use a name based off of your institution.
+ Good examples: "msul1" or "bioneta2".
+ Bad examples: "loncapabox" or "studentsinside".
  Note that machine names are very hard to change later.]
 END
 # get machine name
@@ -342,18 +542,18 @@ END
     close(OUT);
     $lonHostID=$choice;
     $flag=1;
-  } elsif (length($choice)>15) {
+  } elsif (length($choice)&gt;45) {
     print "Name too long\n";
-  } elsif (length($choice)<4) {
+  } elsif (length($choice)&lt;4) {
     print "Name too short\n";
-  } elsif ($choice!~/\_/ and $choice=~/^\w+$/) {
+  } elsif ($choice!~/\_/ and $choice=~/^[\w\-.]+$/) {
     open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
     print(OUT 'lonHostID'."\t".$choice."\n");
     close(OUT);
     $lonHostID=$choice;
     $flag=1;
   } else {
-    print "Invalid input (only alphanumeric characters supported).\n";
+    print "Invalid input (only alphanumeric characters, '-', and '.' supported).\n";
   }
 }
 
@@ -366,6 +566,8 @@ if ($lonRole eq 'library') {
         $primaryLibServer = $libservers[0];
     }
 }
+
+$flag=0;
 while (!$flag) {
   print(&lt;&lt;END);
 **** Domain's Primary Library Server ID ****
@@ -373,14 +575,14 @@ This should be the LON-CAPA machine ID o
 domain.  If you only have a single library server in your domain, then
 the Primary Library server ID will be the machine ID of that server. 
 This server will be where domain data which are not associated with any
-specific home library server will be stored (e.g., e-mail broadcast by
-administrators to users in the domain).
+specific home library server will be stored (e.g., configurations that
+apply to all nodes in the domain).
 END
     if (defined($primaryLibServer)) {
         print(&lt;&lt;END);
 ENTER DOMAIN'S PRIMARY LIBRARY SERVER ID [$primaryLibServer]:
 END
-    } elsif (@libservers > 0) {
+    } elsif (@libservers &gt; 0) {
         print(&lt;&lt;END);
 ENTER DOMAIN'S PRIMARY LIBRARY SERVER ID [$libservers[0]]
 END
@@ -398,18 +600,18 @@ END
         print(OUT 'primaryLibServer'."\t".$choice."\n");
         close(OUT);
         $flag=1;
-    } elsif (length($choice)>15) {
+    } elsif (length($choice)&gt;35) {
         print "Name too long\n";
-    } elsif (length($choice)<4) {
+    } elsif (length($choice)&lt;4) {
         print "Name too short\n";
-    } elsif ($choice!~/\_/ and $choice=~/^\w+$/) {
+    } elsif ($choice!~/\_/ and $choice=~/^[\w\-.]+$/) {
         open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
         print(OUT 'primaryLibServer'."\t".$choice."\n");
         close(OUT);
         $primaryLibServer=$choice;
         $flag=1;
     } else {
-        print "Invalid input (only alphanumeric characters supported).\n";
+        print "Invalid input (only alphanumeric characters, '-', and '.' supported).\n";
     }
 }
 
@@ -421,7 +623,7 @@ my $lonAdmEMail;
 while (!$flag) {
   print(&lt;&lt;END);
 
-**** System Administrator's E-mail ****
+**** Server Administrator's E-mail ****
 E-mail address of the person who will manage this machine
 [should be in the form somebody\@somewhere]
 ENTER ADMIN E-MAIL ADDRESS:
@@ -474,10 +676,398 @@ END
   }
 }
 
+# get protocol
+# accept if valid, if not valid, tell user and repeat
+$flag=0;
+while (!$flag) {
+  print(&lt;&lt;END);
+
+****  Web Server Protocol ****
+If you plan to run the Apache server with SSL enabled, 
+the protocol should be: https; otherwise it should be http.
+ENTER WEB SERVER PROTOCOL [http]:
+END
+
+  my $choice=&lt;&gt;;
+  chomp($choice);
+  if ($choice =~ /^https?$/) {
+    open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
+    print(OUT 'protocol'."\t".$choice."\n");
+    close(OUT);
+    $protocol=$choice;
+    $flag=1;
+  } elsif ($choice eq '') {
+    open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
+    print(OUT 'protocol'."\t".'http'."\n");
+    close(OUT);
+    $protocol = 'http';
+    $flag = 1;
+  } else {
+    print "Invalid input (only http or https allowed).\n";
+  }
+}
+
+# get internet domain
+# accept if valid, if not valid, tell user and repeat
+$flag=0;
+while (!$flag) {
+  print(&lt;&lt;END);
+
+****  Internet Domain Name of Your Institution ****
+
+The internet domain name used for servers at your institution 
+should be provided.  This will be similar to: ustate.edu or
+topcollege.ac.uk or myhostingcompany.com, i.e., the part of
+a server hostname which indicates to which organization the 
+server belongs.
+
+ENTER INTERNET DOMAIN NAME:
+END
+
+  my $choice=&lt;&gt;;
+  chomp($choice);
+  if ($choice =~/[^.]+\.[^.]+/) {
+    open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
+    print(OUT 'internet domain'."\t".$choice."\n");
+    close(OUT);
+    $intdom=$choice;
+    $flag=1;
+  }
+  else {
+    print "Invalid input (must be at least two levels separated by .  - e.g., ustate.edu).\n";
+  }
+}
+
+# get hostname
+# accept if valid, if not valid, tell user and repeat
+$flag=0;
+my $posshostname;
+if (($hostname =~ /^[A-Za-z0-9\-]+$/) && ($intdom ne '')) {
+    $posshostname = $hostname.'.'.$intdom;
+} 
+if (($hostname =~ /^[A-Za-z0-9\-]+\.[A-Za-z0-9\-]+/) &&
+    ($hostname =~ /^[A-Za-z0-9.\-]+$/)) {
+    $posshostname = $hostname;
+}
+while (!$flag) {
+  print(&lt;&lt;END);
+
+****** Hostname of the server/VM *****
+
+The hostname of the server/VM is required. This will be similar to:
+somename.ustate.edu or somename.department.ustate.edu, and would be
+the web address which users would point their web browsers at to
+access the server.
+
+END
+
+if ($posshostname) {
+    print "ENTER HOSTNAME OF SERVER [$posshostname]:\n";
+} else {
+    print "ENTER HOSTNAME OF SERVER:\n";
+}
+
+  my $choice=&lt;&gt;;
+  chomp($choice);
+  if (($choice =~ /^[A-Za-z0-9\-]+\.[A-Za-z0-9\-]+/) &&
+      ($choice =~ /^[A-Za-z0-9.\-]+$/)) {
+    open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
+    print(OUT 'hostname'."\t".$choice."\n");
+    close(OUT);
+    $desiredhostname=$choice;
+    $flag=1;
+  } elsif (($choice eq '') && ($posshostname ne '')) {
+    open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
+    print(OUT 'hostname'."\t$posshostname\n");
+    close(OUT);
+    $desiredhostname = $posshostname;
+    $flag = 1;
+  } else {
+    print "Invalid input (only letters, numbers, - and . allowed, with at least one .).\n";
+  }
+}
+
+# get Country
+print(&lt;&lt;END);
+
+****** Information about Country, State or Province and City *****
+
+A two-letter country code, e.g., US, CA, DE etc. as defined by ISO 3166,
+is required. A state or province, and a city are also required.
+This locality information is included in two SSL certificates used internally
+by LON-CAPA, unless you are running standalone.
+
+If your server will be part of either the production or development 
+clusters, then the certificate will need to be signed by the official 
+LON-CAPA Certificate Authority (CA).  If you will be running your own 
+cluster then the cluster will need to create its own CA. 
+
+END
+
+my $posscountry;
+if ($desiredhostname =~ /\.(edu|com|org)$/) {
+    $posscountry = 'us';
+
+} else { 
+    ($posscountry) = ($desiredhostname =~ /\.(a-z){2}$/);
+}
+if ($posscountry) {
+    my $countrydesc = &Locale::Country::code2country($posscountry);
+    if ($countrydesc eq '') {
+        undef($posscountry);
+    }
+}
+
+$flag=0;
+while (!$flag) {
+  if ($posscountry) {
+     $posscountry = uc($posscountry);
+     print "ENTER TWO-LETTER COUNTRY CODE [$posscountry]:\n";
+  } else {
+     print "ENTER TWO-LETTER COUNTRY CODE:\n";
+  }
+  my $choice=&lt;&gt;;
+  chomp($choice);
+  if ($choice ne '') {
+    if (&Locale::Country::code2country(lc($choice))) {
+      open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
+      print(OUT 'country'."\t".uc($choice)."\n");
+      close(OUT);
+      $country=uc($choice);
+      $flag=1;
+    } else {
+      print "Invalid input -- a valid two letter country code is required\n";
+    }
+  } elsif (($choice eq '') && ($posscountry ne '')) {
+    open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
+    print(OUT 'country'."\t".$posscountry."\n");
+    close(OUT);
+    $country = $posscountry;
+    $flag = 1;
+  } else {
+    print "Invalid input -- a country code is required\n";
+  }
+}
+
+$flag=0;
+# get State or Province
+while (!$flag) {
+  print(&lt;&lt;END);
+
+ENTER STATE OR PROVINCE NAME:
+END
+
+  my $choice=&lt;&gt;;
+  chomp($choice);
+  if ($choice ne '') {
+    open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
+    print(OUT 'state'."\t".$choice."\n");
+    close(OUT);
+    $state=$choice;
+    $flag=1;
+  }
+  else {
+    print "Invalid input (a state or province name is required).\n";
+  }
+}
+
+$flag=0;
+# get City
+while (!$flag) {
+  print(&lt;&lt;END);
+
+ENTER CITY NAME:
+END
+
+  my $choice=&lt;&gt;;
+  chomp($choice);
+  if ($choice ne '') {
+    open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
+    print(OUT 'city'."\t".$choice."\n");
+    close(OUT);
+    $city=$choice;
+    $flag=1;
+  }
+  else {
+    print "Invalid input (a city is required).\n";
+  }
+}
+
+$flag=0;
+while (!$flag) {
+  print(&lt;&lt;END);
+
+The domain description, country, state and city will be
+used in the SSL certificates
+ 
+1) Domain Description: $domainDescription
+2) Country: $country
+3) State or Province: $state
+4) City: $city
+5) Everything is correct up above 
+
+ENTER A CHOICE OF 1-4 TO CHANGE, otherwise ENTER 5:
+END
+  my $choice=&lt;&gt;;
+  chomp($choice);
+  if ($choice == 1) {
+    print(&lt;&lt;END);
+1) Domain Description: $domainDescription
+ENTER NEW VALUE 
+END
+    my $choice2=&lt;&gt;;
+    chomp($choice2);
+    $domainDescription=$choice2;
+  }
+  elsif ($choice == 2) {
+    print(&lt;&lt;END);
+2) Country: $country
+ENTER NEW VALUE (this should be a two-character code, e,g, US, CA, DE)
+END
+    my $choice2=&lt;&gt;;
+    chomp($choice2);
+    $country = uc($choice2); 
+  }
+  elsif ($choice == 3) {
+    print(&lt;&lt;END);
+3) State or Province: $state
+ENTER NEW VALUE:
+END
+    my $choice2=&lt;&gt;;
+    chomp($choice2);
+    $state=$choice2;
+  }
+  elsif ($choice == 4) {
+    print(&lt;&lt;END);
+4) City: $city
+ENTER NEW VALUE:
+END
+    my $choice2=&lt;&gt;;
+    chomp($choice2);
+    $city=$choice2;
+  } elsif ($choice == 5) {
+    $flag=1;
+    $state =~ s{/}{ }g;
+    $city =~ s{/}{ }g;
+    $domainDescription =~ s{/}{ }g;
+  } else {
+    print "Invalid input.\n";
+  }
+}
+
+my $perlvarref = &get_static_config();
+if (ref($perlvarref) eq 'HASH') {
+  my ($certsdir,$privkey,$connectcsr,$replicatecsr);
+  $certsdir = $perlvarref-&gt;{'lonCertificateDirectory'};
+  $privkey = $perlvarref-&gt;{'lonnetPrivateKey'};  
+  $connectcsr = $perlvarref-&gt;{'lonnetCertificate'};
+  $connectcsr =~ s/\.pem$/.csr/;
+  $replicatecsr = $perlvarref-&gt;{'lonnetHostnameCertificate'};
+  $replicatecsr =~ s/\.pem$/.csr/;
+
+  print(&lt;&lt;END);
+
+****** SSL Certificates *****
+
+You need to provide a password to be used for the openssl key which
+will be stored in $certsdir, and will be used when creating two
+certificate signing requests: $connectcsr and $replicatecsr
+
+END
+
+  my $sslkeypass;
+  $flag=0;
+# get Password for SSL key
+  while (!$flag) {
+    $sslkeypass = &make_passphrase();
+    if ($sslkeypass) {
+      $flag = 1;
+    } else {
+      print "Invalid input (a password is required for the SSL key).\n";
+    }
+  }
+
+  if ($certsdir && $privkey) {
+    my $connectsubj = "/C=$country/ST=$state/O=$domainDescription/L=$city/CN=$lonHostID/OU=LONCAPA/emailAddress=$lonAdmEMail";
+    my $replicatesubj = "/C=$country/ST=$state/O=$domainDescription/L=$city/CN=internal-$desiredhostname/OU=LONCAPA/emailAddress=$lonAdmEMail";
+
+# generate SSL key
+# generate SSL csr for hostID
+# generate SSL csr for internal hostname
+
+    if (-f "$certsdir/lonKey.enc") {
+        my $mode = 0600;
+        chmod $mode, "$certsdir/lonKey.enc";
+    }
+    open(PIPE,"openssl genrsa -des3 -passout pass:$sslkeypass -out $certsdir/lonKey.enc 2048 2&gt;&1 |");
+    close(PIPE);
+    if (-f "$certsdir/$privkey") {
+        my $mode = 0600;
+        chmod $mode, "$certsdir/$privkey";
+    }
+    open(PIPE,"openssl rsa -in $certsdir/lonKey.enc -passin pass:$sslkeypass -out $certsdir/$privkey -outform PEM |");
+    close(PIPE);
+    if ($connectcsr) {
+        open(PIPE,"openssl req -key $certsdir/lonKey.enc -passin pass:$sslkeypass -new -batch -subj \"$connectsubj\" -out $certsdir/$connectcsr |");
+        close(PIPE);
+    }
+    if ($replicatecsr) { 
+        open(PIPE,"openssl req -key $certsdir/lonKey.enc -passin pass:$sslkeypass -new -batch -subj \"$replicatesubj\" -out $certsdir/$replicatecsr |");
+        close(PIPE);
+    }
+    if (-f "$certsdir/lonKey.enc") {
+        my $mode = 0400;
+        chmod $mode, "$certsdir/lonKey.enc";
+    }
+    if (-f "$certsdir/$privkey") {
+        my $mode = 0400;
+        chmod $mode, "$certsdir/$privkey";
+    }
+  }
+
+  my $camail;
+  if ($lonCluster eq 'production' || $lonCluster eq 'development') {
+    $camail = $perlvarref-&gtl{'SSLEmail'};
+  } else {
+    $flag=0;
+# get Certificate Authority E-mail 
+    while (!$flag) {
+      print(&lt;&lt;END);
+
+ENTER EMAIL ADDRESS TO SEND CERTIFICATE SIGNING REQUESTS
+END
+
+      my $choice=&lt;&gt;;
+      chomp($choice);
+      if ($choice ne '') {
+        open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
+        print(OUT 'Certificate Authority Email Address'."\t".$choice."\n");
+        close(OUT);
+        $camail=$choice;
+        $flag=1;
+      } else {
+        print "Invalid input (an email address is required).\n";
+      }
+    }
+  }
+  if ($camail) {
+    my $subj;
+    if (-e "$certsdir/$connectcsr") { 
+        $subj = "Certificate Request ($lonHostID)";
+        print(&send_mail($desiredhostname,$camail,$subj,"$certsdir/$connectcsr"));
+    }
+    if (-e "$certsdir/$replicatecsr") {
+        $subj = "Certificate Request (internal-$desiredhostname)";
+        print(&send_mail($desiredhostname,$camail,$subj,"$certsdir/$replicatecsr"));
+    }
+  }
+}
 
 # update loncapa.conf
-my $confdir='/etc/httpd/conf/';
-#my $confdir='';
+my $confdir = '/etc/httpd/conf/';
+if ('<DIST />' eq 'sles10' || '<DIST />' eq 'sles11' || '<DIST />' eq 'sles12' || '<DIST />' eq 'suse10.1' || '<DIST />' eq 'suse10.2' || '<DIST />' eq 'suse10.3' || '<DIST />' eq 'suse11.1' || '<DIST />' eq 'suse11.2' || '<DIST />' eq 'suse11.3' || '<DIST />' eq 'suse11.4' || '<DIST />' eq 'suse12.1' || '<DIST />' eq 'suse12.2' || '<DIST />' eq 'suse12.3' || '<DIST />' eq 'suse13.1' || '<DIST />' eq 'suse13.2' || '<DIST />' eq 'debian5' || '<DIST />' eq 'debian6' || '<DIST />' eq 'ubuntu6' || '<DIST />' eq 'ubuntu8' || '<DIST />' eq 'ubuntu10' || '<DIST />' eq 'ubuntu12' || '<DIST />' eq 'ubuntu14' || '<DIST />' eq 'ubuntu16') {
+     $confdir = '/etc/apache2/';
+}   
 my $filename='loncapa.conf';
 my %perlvar;
     if (-e "$confdir$filename") {
@@ -508,7 +1098,7 @@ my %perlvar;
     unless ($perlvar{'lonReceipt'} and $perlvar{'lonReceipt'}!~/\{\[\[\[\[/) {
        my $lonReceipt='';
        srand(time ^ $$ ^ unpack "%L*", `ps axww | gzip`);
-       my @alnum=(0..9,a..z);
+       my @alnum=(0..9,"a".."z");
        foreach my $i (1..20) {
 	 $lonReceipt.=$alnum[int(rand(36))];
        }
@@ -518,8 +1108,12 @@ my %perlvar;
       die("Cannot output to $confdir$filename\n");
     foreach my $key (keys %perlvar) {
       my $value=$perlvar{$key};
+      my $line = "PerlSetVar     $key      $value"; 
+      if ($value eq '') {
+          $line = '#'.$line;
+      }
       print(OUT &lt;&lt;END);
-PerlSetVar     $key      $value
+$line
 END
     }
     close(OUT);
@@ -527,7 +1121,8 @@ END
 </perlscript>
 </file>
 <file>
-<target dist='default'>/</target>
+<target dist='default'>/etc/httpd/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/</target>
 <perlscript mode='fg'>
 sub securesetting {
     my (%perlvar)=@_;
@@ -545,7 +1140,7 @@ sub securesetting {
     return ($securestatus,$securenum);
 }
 # read values from loncapa.conf
-my $confdir='/etc/httpd/conf/';
+my $confdir = "<TARGET />";
 my $filename='loncapa.conf';
 my %perlvar;
 my ($securestatus,$securenum);
@@ -580,7 +1175,7 @@ my ($securestatus,$securenum);
     unless ($perlvar{'lonReceipt'} and $perlvar{'lonReceipt'}!~/\{\[\[\[\[/) {
        my $lonReceipt='';
        srand(time ^ $$ ^ unpack "%L*", `ps axww | gzip`);
-       my @alnum=(0..9,a..z);
+       my @alnum=(0..9,"a".."z");
        foreach my $i (1..20) {
 	 $lonReceipt.=$alnum[int(rand(36))];
        }
@@ -599,81 +1194,304 @@ my %perlvarstatic;
 	}
 	close(CONFIG);
     }
-    if (!$domainDescription && $lonCluster ne 'existing') {
-       open(IN,'&lt;../'.$lonCluster.'_domain.tab');
-       while(&lt;IN&gt;) {
-          if (/^$perlvar{'lonDefDomain'}\:/) {
-	     (undef,$domainDescription,$domainTabExtras)=split(/:/,$_,3);
-	     chomp($domainDescription);
-	     chomp($domainTabExtras);
-             last;
-          }
-       }
-       close(IN);
-    }
+
+    my (@hosts_files, @domain_files);
+    if ( $lonCluster ne 'existing') {
+	push(@domain_files,'../'.$lonCluster.'_domain.tab',
+	     '../'.$lonCluster.'_dns_domain.tab');
+	push(@hosts_files,'../'.$lonCluster.'_hosts.tab',
+	     '../'.$lonCluster.'_dns_hosts.tab');
+    }
+    push(@domain_files,'/home/httpd/lonTabs/domain.tab',
+         '/home/httpd/lonTabs/dns_domain.tab');
+    push(@hosts_files,'/home/httpd/lonTabs/hosts.tab',
+         '/home/httpd/lonTabs/dns_hosts.tab');
+
+    my @poss_hosts_files = @hosts_files;
     if (!$domainDescription) {
-       open(IN,'&lt;/home/httpd/lonTabs/domain.tab');
-       while(&lt;IN&gt;) {
-          if (/^$perlvar{'lonDefDomain'}\:/) {
-	     (undef,$domainDescription,$domainTabExtras)=split(/:/,$_,3);
-	     chomp($domainDescription);
-	     chomp($domainTabExtras);
-             last;
-          }
-       }
-       close(IN);
+	foreach my $file (@domain_files) {
+	    open(IN,'&lt;'.$file);
+	    while(my $line = &lt;IN&gt;) {
+		if ($line =~ /^\Q$perlvar{'lonDefDomain'}\E\:/) {
+		    (undef,$domainDescription,$domainTabExtras)=split(/:/,$line,3);
+		    chomp($domainDescription);
+		    chomp($domainTabExtras);
+		    # the remaining field (primary lib server) is handled later
+		    $domainTabExtras = join(':',(split(/:/,$domainTabExtras))[0..5]);
+		    last;
+		}
+	    }
+	    close(IN);
+	    last if ($domainDescription);
+	}
     }
-    if (!$primaryLibServer and $lonCluster ne 'existing') {
-        open(IN,'&lt;../'.$lonCluster.'_domain.tab');
-        while(&lt;IN&gt;) {
-            if (/^$perlvar{'lonDefDomain'}\:/) {
-                (undef,undef,undef,undef,undef,undef,undef,undef,
-                                              $primaryLibServer)=split(/:/,$_);
-                chomp($primaryLibServer);
+
+    if ((!$protocol) || (!$desiredhostname)) {
+        foreach my $file (@hosts_files) {
+            open(IN,'&lt;'.$file);
+            while(my $line = &lt;IN&gt;) {
+                if ($line =~ /^\Q$perlvar{'lonHostID'}\E:\Q$perlvar{'lonDefDomain'}\E\:(?:access|library)\:([^:]+)\:(https?)/) {
+                    if (!$desiredhostname) {
+                        $desiredhostname = $1;
+                    }
+                    if (!$protocol) { 
+                        $protocol = $2;
+                        chomp($protocol);
+                    }
+                    last;
+                }
             }
         }
-        close(IN);
-        if (!$primaryLibServer) {
-            open(IN,'&lt;../'.$lonCluster.'_hosts.tab');
-            while(&lt;IN&gt;) {
-                if (/^([^\:]+)\:\Q$perlvar{'lonDefDomain'}\E\:library\:/) {
-                    push(@libservers,$1);
+    }
+
+    if (!$protocol) {
+        $protocol = 'http';
+    }
+
+    if (!$intdom) {
+        foreach my $file (@hosts_files) {
+            open(IN,'&lt;'.$file);
+            while(my $line = &lt;IN&gt;) {
+                if ($line =~ /^\Q$perlvar{'lonHostID'}\E:\Q$perlvar{'lonDefDomain'}\E\:(?:access|library)\:[^:]+\:https?\:([^:]+)/) {
+                    $intdom = $1;
+                    chomp($intdom);
+                    last;
                 }
             }
-            close(IN);
-            if (@libservers == 1) {
-                $primaryLibServer = $libservers[0];
-            }
         }
     }
-    if (!$primaryLibServer) {
-        open(IN,'&lt;/home/httpd/lonTabs/domain.tab');
-        while(&lt;IN&gt;) {
-            if (/^$perlvar{'lonDefDomain'}\:/) {
-                (undef,undef,undef,undef,undef,undef,undef,undef,
-                                              $primaryLibServer)=split(/:/,$_);
+
+    my (%hostnames,%protocols);
+    while(!$primaryLibServer && (@hosts_files || @domain_files)) {
+	my $file = shift(@domain_files);
+        open(IN,'&lt;'.$file);
+        while(my $line = &lt;IN&gt;) {
+            if ($line =~ /^\Q$perlvar{'lonDefDomain'}\E\:/) {
+		$primaryLibServer=(split(/:/,$line))[8];
                 chomp($primaryLibServer);
             }
-            close(IN);
         }
-        if (!$primaryLibServer) {
-            open(IN,'&lt;/home/httpd/lonTabs/hosts.tab');
-            while(&lt;IN&gt;) {
-                if (/^([^\:]+)\:\Q$perlvar{'lonDefDomain'}\E\:library\:/) {
-                    push(@libservers,$1);
+        close(IN);
+	last if ($primaryLibServer);
+	$file = shift(@hosts_files);
+	open(IN,'&lt;'.$file);
+	while(my $line = &lt;IN&gt;) {
+	    if ($line =~ /^([^\:]+)\:\Q$perlvar{'lonDefDomain'}\E\:library\:([^\:]+)/) {
+		push(@libservers,$1);
+                $hostnames{$1} = $2;
+	    }
+	}
+	# make list unique
+	@libservers = keys(%{{ map { $_ =&gt; 1 } (@libservers) }});
+	close(IN);
+	if (@libservers == 1) {
+	    $primaryLibServer = $libservers[0];
+	}
+    }
+
+# get hostname of primaryLibServer
+    my ($primary_hostname,$primary_protocol);
+    if ($primaryLibServer) {
+        if ($hostnames{$primaryLibServer}) {
+            $primary_hostname = $hostnames{$primaryLibServer};
+            $primary_protocol = $protocols{$primaryLibServer};
+        } else {
+            foreach my $file (@poss_hosts_files) {
+                open(IN,'&lt;'.$file);
+                while (my $line = &lt;IN&gt;) {
+                    if ($line =~ /^([^\:]+)\:\Q$perlvar{'lonDefDomain'}\E\:library\:([^\:]+):(https?)/) {
+                        if ($1 eq $primaryLibServer) {
+                            $primary_hostname = $2;
+                            $primary_protocol = $3;
+                            last;
+                        }
+                    }
                 }
-            }
-            close(IN);
-            if (@libservers == 1) {
-                $primaryLibServer = $libservers[0];
+                close(IN);
+                last if ($primary_hostname);
             }
         }
     }
    
 # implement editing logic below, interactively
-# update loncapa.conf until 8 is entered
+# update loncapa.conf until 17 is entered
 
-$flag=0;
+my $flag=0;
+
+#
+# Changes to 5, 6, and 14 not supported if configuration.db set on primary library server.
+# (requires either this machine to be primary library server or for LON-CAPA and Apache
+# to be running on primary library server.
+#
+
+my ($isprimary,$domconf,$url,$gotdomconf,$adminmail,$supportmail,$connectssl,%setbygui);
+if ($primaryLibServer eq $perlvar{'lonHostID'}) {
+    $isprimary = 1;
+} else {
+    unless ($primary_protocol eq 'https') {
+        $primary_protocol = 'http';
+    } 
+    $url = $primary_protocol.'://'.$primary_hostname.'/cgi-bin/listdomconfig.pl';
+}
+my $domconf = &get_domain_config($perlvar{'lonDefDomain'},$primaryLibServer,$isprimary,
+                                 $url,\%perlvarstatic);
+if (ref($domconf)) {
+    $gotdomconf = 1;
+    if (ref($domconf-&gt;{'contacts'}) eq 'HASH') {
+        if (exists($domconf-&gt;{'contacts'}-&gt;{'adminemail'})) {
+            $adminmail = $domconf-&gt;{'contacts'}-&gt;{'adminemail'};
+        }
+        if (exists($domconf->{'contacts'}->{'supportemail'})) {
+            $supportmail = $domconf-&gt;{'contacts'}-&gt;{'supportemail'};
+        }
+    }
+    if (ref($domconf-&gt;{'ssl'}) eq 'HASH') {
+        foreach my $connect ('connto','connfrom') { 
+            if (ref($domconf-&gt;{'ssl'}-&gt;{$connect}) eq 'HASH') {       
+                my ($sslreq,$sslnoreq,$currsetting);
+                my %contypes; 
+                foreach my $type ('dom','intdom','other') {
+                    my $key;
+                    if ($domconf-&gt;{'ssl'}-&gt;{'connect'}-&gt;{$type} eq 'req') {
+                        $key = 'yes';
+                    } else {
+                        $key = 'no';
+                    }
+                    if ($type eq 'dom') {
+                        $contypes{$key} .= ' own domain,';
+                    } elsif ($type eq 'intdom') {
+                        $contypes{$key} .= ' own institution,';
+                    } elsif ($type eq 'other') { 
+                        $contypes{$key} .= ' other domains,';
+                    }
+                }
+                foreach my $key (sort(keys(%contypes))) {
+                    $contypes{$key} =~ s/^\s//;
+                    $contypes{$key} =~ s/,$//;
+                    if ($key eq 'yes') {
+                        $currsetting .= ' Yes ('.$contypes{$key}.'),';
+                    } elsif ($key eq 'no') {
+                        $currsetting .= ' No ('.$contypes{$key}.')';
+                    }
+                    $currsetting =~ s/,$//;
+                }
+                if ($currsetting ne '') {
+                    $connectssl = $sslname{$connect}.' -- '.$currsetting.' | '; 
+                }
+            }
+        }
+        $connectssl =~ s/\s\|\s$//; 
+    }
+}
+if ($connectssl) {
+    $setbygui{'securestatus'} = 1;
+    $securestatus = 'Set by domain configuration via web GUI. Currently: '.$connectssl; 
+}
+if ($adminmail) {
+    $adminmail = 'Set by domain configuration via web GUI. Currently: '.$adminmail;
+    $setbygui{'lonAdmEMail'} = 1;
+} else {
+    $adminmail = $perlvar{'lonAdmEMail'};
+}
+if ($supportmail) {
+    $supportmail = 'Set by domain configuration via web GUI. Currently: '.$supportmail;
+    $setbygui{'lonSupportEMail'} = 1;
+} else {
+    $supportmail = $perlvar{'lonSupportEMail'};
+}
+
+print "\nRetrieving status information for SSL key and certificates ...\n\n";
+my ($lonhostcertstatus,$lonhostnamecertstatus,$lonkeystatus);
+my $currcerts = &LONCAPA::SSL::print_certstatus({$perlvar{'lonHostID'} =&gt; 1,},'text','cgi');
+chomp($currcerts);
+my %sslstatus;
+
+if ($currcerts eq "$perlvar{'lonHostID'}:error") {
+    print "No information available for SSL certificates\n";
+    $sslstatus{'key'} = -1;
+    $sslstatus{'host'} = -1;
+    $sslstatus{'hostname'} = -1;
+    $sslstatus{'ca'} = -1;
+    $lonkeystatus = 'unknown status';
+    $lonhostcertstatus = 'unknown status';
+    $lonhostnamecertstatus = 'unknown status';
+} else {
+    my %sslnames = (
+                      key      =&gt; 'lonnetPrivateKey',
+                      host     =&gt; 'lonnetCertificate',
+                      hostname =&gt; 'lonnetHostnameCertificate',
+                      ca       =&gt; 'lonnetCertificateAuthority',
+                   );
+    my %ssldesc = (
+                    key      =&gt; 'Private Key',
+                    host     =&gt; 'Connections Certificate',
+                    hostname =&gt; 'Replication Certificate',
+                    ca       =&gt; 'LON-CAPA CA Certificate',
+                  );
+    my ($lonhost,$info) = split(/\:/,$currcerts,2);
+    if ($lonhost eq $perlvar{'lonHostID'}) {
+        my @items = split(/\&/,$info);
+        foreach my $item (@items) {
+            my ($key,$value) = split(/=/,$item,2);
+            my @data = split(/,/,$value);
+            if (grep(/^\Q$key\E$/,keys(%sslnames))) {
+                if (lc($data[0]) eq 'yes') { 
+                    print "$ssldesc{$key} $perlvarstatic{$sslnames{$key}} available with status = $data[1]\n";
+                    if ($key eq 'key') {
+                        $lonkeystatus = "status: $data[1]"; 
+                        if ($data[1] =~ /ok$/) {
+                            $sslstatus{$key} = 1;
+                        } 
+                    } else {
+                        if ($data[1] eq 'Expired') {
+                            $sslstatus{$key} = 2;
+                        } else {
+                            $sslstatus{$key} = 1;
+                        }
+                        if ($key eq 'host') {
+                            $lonhostcertstatus = "status: $data[1]";
+                        } elsif ($key eq 'hostname') {
+                            $lonhostnamecertstatus = "status: $data[1]";
+                        }
+                    }
+                } else {
+                    $sslstatus{$key} = 0;
+                    print "$ssldesc{$key} $perlvarstatic{$sslnames{$key}} not available\n";
+                    if (($key eq 'host') || ($key eq 'hostname')) {
+                        my $csr = $perlvarstatic{$sslnames{$key}};
+                        $csr =~s /\.pem$/.csr/;
+                        my $csrstatus;
+                        if (-e "$perlvarstatic{'lonCertificateDirectory'}/$csr") {
+                            open(PIPE,"openssl req -text -noout -verify -in $perlvarstatic{'lonCertificateDirectory'}/$csr 2&gt;&1 |");
+                            while(&lt;PIPE&gt;) {
+                                chomp();
+                                $csrstatus = $_;
+                                last;
+                            }
+                            close(PIPE);
+                            print "Certificate signing request for $ssldesc{$key} available with status = $csrstatus\n\n";
+                            if ($key eq 'host') {
+                                $lonhostcertstatus = 'awaiting signature';
+                            } else {
+                                $lonhostnamecertstatus = 'awaiting signature';
+                            }
+                            $sslstatus{$key} = 3;
+                        } else {
+                            print "No certificate signing request available for $ssldesc{$key}\n\n";
+                            if ($key eq 'host') {
+                                $lonhostcertstatus = 'still needed';
+                            } else {
+                                $lonhostnamecertstatus = 'still needed';
+                            }
+                        }
+                    } elsif ($key eq 'key') {
+                        $lonkeystatus = 'still needed';
+                    }
+                }
+            }
+        }
+    }
+}
 
 while (!$flag) {
   print(&lt;&lt;END);
@@ -684,68 +1502,94 @@ This is now the current configuration of
  2) Domain Description: $domainDescription
  3) Machine Name: $perlvar{'lonHostID'}
  4) ID of primary library server for domain: $primaryLibServer
- 5) System Administrator's E-mail Address: $perlvar{'lonAdmEMail'}
- 6) Support E-mail Address: $perlvar{'lonSupportEMail'}
- 7) Role: $perlvar{'lonRole'}
- 8) Cache Expiration Time: $perlvar{'lonExpire'}
- 9) Server Load: $perlvar{'lonLoadLim'}
-10) User Load: $perlvar{'lonUserLoadLim'}
-11) Allow only secure connections: $securestatus 
-12) Everything is correct up above
+ 5) Server Administrator's E-mail Address: $adminmail
+ 6) Support E-mail Address: $supportmail
+ 7) Web Server Protocol (http or https): $protocol 
+ 8) Internet Domain Name: $intdom 
+ 9) Hostname: $desiredhostname
+10) Role: $perlvar{'lonRole'}
+11) Cache Expiration Time: $perlvar{'lonExpire'} (seconds)
+12) Server Load: $perlvar{'lonLoadLim'}
+13) User Load: $perlvar{'lonUserLoadLim'}
+14) Allow only secure connections: $securestatus
+15) Private Key for SSL: $lonkeystatus
+16) SSL Certificate for LON-CAPA server connections: $lonhostcertstatus
+17) SSL Certificate for Content Replication: $lonhostnamecertstatus
+18) Everything is correct up above
 END
 
-my $error='';
+my @error;
 foreach my $v ($perlvar{'lonDefDomain'},$perlvar{'lonHostID'}) {
-   if (length($v)>16) { $error.="\nName $v too long"; }		
-   if (length($v)<2) { $error.="\nName $v too short"; }
+   if (length($v)&gt;35) { push(@error,"Name $v too long"); }		
+   if (length($v)&lt;2) { push(@error,"Name $v too short"); }
    if ($v=~/capa/i) {
 	if ($v!~/^oucapa\d+$/ && 
 	    ($v!~/^capa\d+$/ && $perlvar{'lonDefDomain'} eq 'uwsp')) {
-		 $error.="\nName $v contains 'capa'"; 
+		 push(@error,"Name $v contains 'capa'");
 	}
    }
    foreach my $bad ('res','raw','userfiles','priv','adm','uploaded',
 	'editupload') {
-      $error.="\nName $v reserved." if $v eq $bad;
+      push(@error,"\nName $v reserved.") if $v eq $bad;
    }
-   if ($v=~/\W/) { $error.="\nName $v contains special characters"; }
+   if ($v=~/[^\w\-.]/) { push(@error,"Name $v contains special characters"); }
 }
-if ($domainDescription!~/^[\(\)\-\w\s,]+$/) {
-   $error.="\nDomain Description contains special characters";
+if ($domainDescription =~ /^\s*$/) {
+   push(@error,"Domain Description is blank.");
+} elsif ($domainDescription!~/^[\(\)\-\w\s,]+$/) {
+   push(@error,"Domain Description contains special characters.");
 } 
 foreach my $v ($perlvar{'lonExpire'},$perlvar{'lonLoadLim'}) {
-   unless ($v=~/^[\d+\.]+$/) { $error.="\nNumber expected instead of $v"; }
+   unless ($v=~/^[\d+\.]+$/) { push(@error,"Number expected instead of $v"); }
 }
 unless (($perlvar{'lonRole'} eq 'library') || ($perlvar{'lonRole'} eq 'access')) {
-   $error.="\nInvalid Role";
+   push(@error,"Invalid Role");
+}
+
+unless (($protocol eq 'http') || ($protocol eq 'https')) {
+   push(@error,"Invalid Protocol (must be http or https");
+}
+
+if (!defined($intdom)) { 
+   push(@error,"No internet domain name designated. Enter something like ustate.edu"); 
+} elsif ($intdom !~ /[^.]+\.\w{2,6}$/) {
+   push(@error,"Invalid Internet domain name (must be at least two levels separated by .  - e.g., ustate.edu");
 }
 
 if (!defined($primaryLibServer)) {
-   if (@libservers > 0) {
-       $error .= "No primary library server ID designated. Choose from: ".join(',',sort(@libservers));
+   if (@libservers &gt; 0) {
+       push(@error,"No primary library server ID designated. Choose from: ".join(',',sort(@libservers)));
    } else {
-       $error .= "No library servers in this domain (including current server)";
+       push(@error,"No library servers in this domain (including current server)");
    }
 } else {
-   if (length($primaryLibServer)>16) { $error.="\nPrimary Library Server ID:  $primaryLibServer too long"; }
-   if (length($primaryLibServer)<2) { $error.="\nPrimary Library Server ID:  $primaryLibServer too short"; }
+   if (length($primaryLibServer)&gt;35) { push(@error,"Primary Library Server ID:  $primaryLibServer too long"); }
+   if (length($primaryLibServer)&lt;2) { push(@error,"Primary Library Server ID:  $primaryLibServer too short"); }
    if ($primaryLibServer =~/capa/i) {
         if ($primaryLibServer!~/^oucapa\d+$/ &&
             ($primaryLibServer!~/^capa\d+$/ && $perlvar{'lonDefDomain'} eq 'uwsp')) {
-                 $error.="\nPrimary library server ID $primaryLibServer contains 'capa'";
+                 push(@error,"Primary library server ID $primaryLibServer contains 'capa'")
         }
    }
    foreach my $bad ('res','raw','userfiles','priv','adm','uploaded',
         'editupload') {
-      $error.="\nPrimary library server ID $primaryLibServer reserved." if $primaryLibServer eq $bad;
+      push(@error,"Primary library server ID $primaryLibServer reserved.") if $primaryLibServer eq $bad;
    }
-   if ($primaryLibServer=~/\W/) { $error.="\nPrimary library server ID $primaryLibServer contains special characters"; }
+   if ($primaryLibServer=~/[^\w\-.]/) { push(@error,"Primary library server ID $primaryLibServer contains special characters"); }
 }
 
 
-if ($error) { print "\n*** ERRORS: $error\n"; }
+my ($certsdir,$privkey,$connectcsr,$replicatecsr);
+$certsdir = $perlvarstatic{'lonCertificateDirectory'};
+$privkey = $perlvarstatic{'lonnetPrivateKey'};
+$connectcsr = $perlvarstatic{'lonnetCertificate'};
+$connectcsr =~ s/\.pem$/.csr/;
+$replicatecsr = $perlvarstatic{'lonnetHostnameCertificate'};
+$replicatecsr =~ s/\.pem$/.csr/;
+
+if (@error) { print "\n*** ERRORS: \n\t".join("\n\t",@error)."\n"; }
   print(&lt;&lt;END);
-ENTER A CHOICE OF 1-11 TO CHANGE, otherwise ENTER 12:
+ENTER A CHOICE OF 1-17 TO CHANGE, otherwise ENTER 18:
 END
 my $choice=&lt;&gt;;
 chomp($choice);
@@ -798,26 +1642,71 @@ END
     $primaryLibServer=$choice2;
   }
   elsif ($choice==5) {
-  print(&lt;&lt;END);
-5) System Administrator's E-mail Address: $perlvar{'lonAdmEMail'}
+    if ($setbygui{'lonAdmEMail'}) {
+      print(&lt;&lt;END);
+5) Server Administrator's E-mail Address: $adminmail
+Use the web GUI (as domain coordinator) to make changes after completing the UPDATE.
+END
+    } else {
+      print(&lt;&lt;END);
+5) Server Administrator's E-mail Address: $perlvar{'lonAdmEMail'}
 ENTER NEW VALUE:
 END
+      my $choice2=&lt;&gt;;
+      chomp($choice2);
+      $perlvar{'lonAdmEMail'}=$choice2;
+    }
+  }
+  elsif ($choice==6) {
+    if ($setbygui{'lonAdmEMail'}) {
+      print(&lt;&lt;END);
+6) Support E-mail Address: $supportmail
+Use the web GUI (as domain coordinator) to make changes after completing the UPDATE.
+END
+    } else {    
+      print(&lt;&lt;END);
+6) Support E-mail Address: $perlvar{'lonSupportEMail'}
+ENTER NEW VALUE:
+END
+      my $choice2=&lt;&gt;;
+      chomp($choice2);
+      $perlvar{'lonSupportEMail'}=$choice2;
+    }
+  }
+  elsif ($choice==7) {
+  print(&lt;&lt;END);
+7) Server Protocol (http or https): 
+ENTER NEW VALUE: (this should be either 'http' or 'https'
+                 if in doubt set to 'http'):
+END
     my $choice2=&lt;&gt;;
     chomp($choice2);
-    $perlvar{'lonAdmEMail'}=$choice2;
+    $protocol=$choice2;
   }
-  elsif ($choice==6) {
+  elsif ($choice==8) {
   print(&lt;&lt;END);
-6) Support E-mail Address: $perlvar{'lonSupportEMail'}
+8) Internet Domain Name of Institution
+ENTER NEW VALUE: 
+
+END
+    my $choice2=&lt;&gt;;
+    chomp($choice2);
+    $intdom=$choice2;
+  }
+  elsif ($choice==9) {
+  print(&lt;&lt;END);
+9) Hostname of Server/VM
 ENTER NEW VALUE:
+
 END
     my $choice2=&lt;&gt;;
     chomp($choice2);
-    $perlvar{'lonSupportEMail'}=$choice2;
+    $desiredhostname=$choice2;
   }
-  elsif ($choice==7) {
+
+  elsif ($choice==10) {
   print(&lt;&lt;END);
-7) Role: $perlvar{'lonRole'}
+10) Role: $perlvar{'lonRole'}
 ENTER NEW VALUE (this should be either 'access' or 'library' 
                  if in doubt select 'library'):
 END
@@ -825,27 +1714,27 @@ END
     chomp($choice2);
     $perlvar{'lonRole'}=$choice2;
   }
-  elsif ($choice==8) {
+  elsif ($choice==11) {
   print(&lt;&lt;END);
-8) Cache Expiration Time: $perlvar{'lonExpire'}
+11) Cache Expiration Time: $perlvar{'lonExpire'}
 ENTER NEW VALUE (in seconds, 86400 is a reasonable value):
 END
     my $choice2=&lt;&gt;;
     chomp($choice2);
     $perlvar{'lonExpire'}=$choice2;
   }
-  elsif ($choice==9) {
+  elsif ($choice==12) {
   print(&lt;&lt;END);
-9) Server Load: $perlvar{'lonLoadLim'}
+12) Server Load: $perlvar{'lonLoadLim'}
 ENTER NEW VALUE:
 END
     my $choice2=&lt;&gt;;
     chomp($choice2);
     $perlvar{'lonLoadLim'}=$choice2;
   }
-  elsif ($choice==10) {
+  elsif ($choice==13) {
   print(&lt;&lt;END);
-10) User Load: $perlvar{'lonUserLoadLim'}
+13) User Load: $perlvar{'lonUserLoadLim'}
 Numer of users that can login before machine is 'overloaded'
 ENTER NEW VALUE (integer value, 0 means there is no limit):
 END
@@ -853,9 +1742,15 @@ END
     chomp($choice2);
     $perlvar{'lonUserLoadLim'}=$choice2;
   }
-  elsif ($choice==11) {
-  print(&lt;&lt;END);
-11) Allow only secure connections: $securestatus 
+  elsif ($choice==14) {
+    if ($setbygui{'securestatus'}) {
+      print(&lt;&lt;END);
+14) Allow only secure connections: $securestatus
+Use the web GUI (as domain coordinator) to make changes after completing the UPDATE.
+END
+    } else {
+      print(&lt;&lt;END);
+14) Allow only secure connections: $securestatus 
 The Lon-CAPA communication daemons lonc and lond can be configured to
 allow only secure connections by default.
 
@@ -867,34 +1762,81 @@ POSSIBLE CHOICES:
 3) allow insecure connections to this machine but only allow connections
     to machines that support secure connections
 4) allow insecure connections
-ENTER NEW VALUE (currenly $securenum):
+ENTER NEW VALUE (currently $securenum):
 END
-    my $choice2=&lt;&gt;;
-    chomp($choice2);
-    if      ($choice2 eq '1') {
-	$perlvar{'loncAllowInsecure'}=0;$perlvar{'londAllowInsecure'}=0;
-    } elsif ($choice2 eq '2') {
-	$perlvar{'loncAllowInsecure'}=0;$perlvar{'londAllowInsecure'}=1;
-    } elsif ($choice2 eq '3') {
-	$perlvar{'loncAllowInsecure'}=1;$perlvar{'londAllowInsecure'}=0;
-    } elsif ($choice2 eq '4') {
-	$perlvar{'loncAllowInsecure'}=1;$perlvar{'londAllowInsecure'}=1;
+      my $choice2=&lt;&gt;;
+      chomp($choice2);
+      if      ($choice2 eq '1') {
+	  $perlvar{'loncAllowInsecure'}=0;$perlvar{'londAllowInsecure'}=0;
+      } elsif ($choice2 eq '2') {
+	  $perlvar{'loncAllowInsecure'}=0;$perlvar{'londAllowInsecure'}=1;
+      } elsif ($choice2 eq '3') {
+	  $perlvar{'loncAllowInsecure'}=1;$perlvar{'londAllowInsecure'}=0;
+      } elsif ($choice2 eq '4') {
+	  $perlvar{'loncAllowInsecure'}=1;$perlvar{'londAllowInsecure'}=1;
+      }
+      ($securestatus,$securenum)=&securesetting(%perlvar);
     }
-    ($securestatus,$securenum)=&securesetting(%perlvar);
-  }
-  elsif (($choice==12) && (!$error)) {
+  } elsif ($choice==15) {
+      if (($sslstatus{'key'} == 1) || ($sslstatus{'key'} == 2)) {
+          print(&lt;&lt;END);
+15) Private Key for SSL: $lonkeystatus
+
+POSSIBLE CHOICES:
+1) overwrite existing key
+2) create new key for use later
+3) make no change
+ENTER NEW VALUE
+END
+      } elsif ($sslstatus{'key'} == ) {
+      my $choice2=&lt;&gt;;
+      chomp($choice2);
+  } elsif ($choice==16) {
+      if ($sslstatus{'key'} == 1) || ($sslstatus{'key'} == 2)) {
+      #$sslstatus{'host'};
+      print(&lt;&lt;END);
+16) SSL Certificate for LON-CAPA server connections: $lonhostcertstatus
+
+POSSIBLE CHOICES:
+1) create new certificate signing request with new key
+2) create new certificate signing request with existing key
+3) resend current certificate signing request
+4) make no change
+ENTER NEW VALUE
+END
+      my $choice2=&lt;&gt;;
+      chomp($choice2);
+  } elsif ($choice==17) {
+      #$sslstatus{'hostname'}
+      print(&lt;&lt;END);
+17) SSL Certificate for Content Replication: $lonhostnamecertstatus
+
+POSSIBLE CHOICES:
+1) create new certificate signing request with new key
+2) create new certificate signing request with existing key
+3) resend current certificate signing request
+4) make no change
+ENTER NEW VALUE
+END
+      my $choice2=&lt;&gt;;
+      chomp($choice2);
+  } elsif (($choice==18) && (!@error)) {
     $flag=1;
-  }
-  else {
+  } else {
     print "Invalid input.\n";
   }
 }
+
     open(OUT,"&gt;$confdir$filename") or
       die("Cannot output to $confdir$filename\n");
     foreach my $key (keys %perlvar) {
       my $value=$perlvar{$key};
+      my $line = "PerlSetVar     $key      $value";
+      if ($value eq '') {
+          $line = '#'.$line;
+      }
       print(OUT &lt;&lt;END) unless $perlvarstatic{$key};
-PerlSetVar     $key      $value
+$line
 END
     }
     close(OUT);
@@ -904,34 +1846,51 @@ END
 <target dist='default'>loncom/hosts.tab</target>
 <perlscript mode='fg'>
 unless (-l "<TARGET />") {
-  my $hostname=`hostname -f`;chomp($hostname);
-  $date=`date -I`; chomp($date);
-  $lonHostID=$perlvar{'lonHostID'};
-  $lonHostID=~s/\W//g;
-  $lineexistflag=0;
-  $hostidexistflag=0;
-  $line2insert=&lt;&lt;END;
-$perlvar{'lonHostID'}:$perlvar{'lonDefDomain'}:$perlvar{'lonRole'}:$hostname
+  if ($desiredhostname eq '') { 
+      my $hostname=`hostname -f`;chomp($hostname);
+      $desiredhostname = $hostname;
+  }
+  my $date=`date -I`; chomp($date);
+  my $lonHostID=$perlvar{'lonHostID'};
+  $lonHostID=~s/[^\w\-.]//g;
+  my $lineexistflag=0;
+  my $hostidexistflag=0;
+  my $line2insert=&lt;&lt;END;
+$perlvar{'lonHostID'}:$perlvar{'lonDefDomain'}:$perlvar{'lonRole'}:$desiredhostname:$protocol:$intdom
 END
-  $domaininsert="$perlvar{'lonDefDomain'}:$domainDescription:$domainTabExtras:$primaryLibServer\n";
+  if (!$domainTabExtras) {
+	$domainTabExtras=':::::';
+  }
+  my $domaininsert="$perlvar{'lonDefDomain'}:$domainDescription:$domainTabExtras:$primaryLibServer\n";
   if ($lonCluster eq 'standalone') {
     open(OUT,'&gt;../'.$lonCluster.'_hosts.tab') or
       die('file generation error');
       print(OUT $line2insert);
+      print OUT ("^$desiredhostname:$protocol\n");
+    close(OUT);
+    open(OUT,'&gt;../'.$lonCluster.'_dns_hosts.tab') or
+      die('file generation error');
+      print(OUT $line2insert);
     close(OUT);
     open(OUT,'&gt;../'.$lonCluster.'_domain.tab') or
       die('file generation error');
       print(OUT $domaininsert);
     close(OUT);
+    open(OUT,'&gt;../'.$lonCluster.'_dns_domain.tab') or
+      die('file generation error');
+      print(OUT $domaininsert);
+    close(OUT);
   }
   if ($flag==1) {
     `rm -f ../hosts.tab`;
-    open(IN,'&lt;../'.$lonCluster.'_hosts.tab');
-    while(&lt;IN&gt;) {
-      if (/^$line2insert$/) {
+    `rm -f ../dns_hosts.tab`;
+    `ln -s ${lonCluster}_dns_hosts.tab ../dns_hosts.tab`;
+    open(IN,'&lt;../'.$lonCluster.'_dns_hosts.tab');
+    while(my $line = &lt;IN&gt;) {
+      if ($line =~ /^\Q$line2insert\E$/) {
         $lineexistflag=1;
       }
-      if (/^$lonHostID\:/) {
+      if ($line =~ /^\Q$lonHostID\E\:/) {
         $hostidexistflag=1;
       }
     }
@@ -939,9 +1898,9 @@ END
     if ($hostidexistflag and !$lineexistflag) {
       print &lt;&lt;END;
 WARNING: $lonHostID already exists inside
-loncapa/loncom/${lonCluster}_hosts.tab.  The entry inside
-${lonCluster}_hosts.tab does not match your settings.
-The entry inside ${lonCluster}_hosts.tab is being replaced
+loncapa/loncom/${lonCluster}_dns_hosts.tab.  The entry inside
+${lonCluster}_dns_hosts.tab does not match your settings.
+An entry inside ${lonCluster}_hosts.tab will be made
 with your new values.
 END
       `grep -v "$lonHostID:" ../${lonCluster}_hosts.tab &gt; ../new_${lonCluster}_hosts.tab`;
@@ -951,15 +1910,20 @@ END
        close(OUT);
       `ln -s new_${lonCluster}_hosts.tab ../hosts.tab`;
       # email appropriate message
-      `echo "REPLACE:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "REPLACE:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
+      `echo "REPLACE:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "REPLACE:$lonCluster:$lonHostID:$protocol:$intdom:$date" installrecord\@mail.lon-capa.org`;
     }
     elsif ($hostidexistflag and $lineexistflag) {
       print &lt;&lt;END;
-Entry exists in ${lonCluster}_hosts.tab.
+Entry exists in ${lonCluster}_dns_hosts.tab. Making duplicate entry in ${lonCluster}_hosts.tab
 END
-      `ln -s ${lonCluster}_hosts.tab ../hosts.tab`;
+      `grep -v "$lonHostID:" ../${lonCluster}_hosts.tab &gt; ../new_${lonCluster}_hosts.tab`;
+       open(OUT,'&gt;&gt;../new_'.$lonCluster.'_hosts.tab') or
+         die("cannot open loncom/${lonCluster}_hosts.tab for output\n");
+         print(OUT $line2insert);
+       close(OUT);
+      `ln -s new_${lonCluster}_hosts.tab ../hosts.tab`;
       # email appropriate message
-      `echo "STABLEUPDATE:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "STABLEUPDATE:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
+      `echo "STABLEUPDATE:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "STABLEUPDATE:$lonCluster:$lonHostID:$protocol:$intdom:$date" installrecord\@mail.lon-capa.org`;
     }
     elsif (!$hostidexistflag and !$lineexistflag) {
       print &lt;&lt;END;
@@ -972,18 +1936,21 @@ END
        close(OUT);
       `ln -s new_${lonCluster}_hosts.tab ../hosts.tab`;
       # email appropriate message
-      `echo "INSERT:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "INSERT:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
+      `echo "INSERT:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "INSERT:$lonCluster:$lonHostID:$protocol:$intdom:$date" installrecord\@mail.lon-capa.org`;
     }
   }
   $lineexistflag=0;
+  my $domainexistflag=0;
   if ($flag==1) {
     `rm -f ../domain.tab`;
-    open(IN,'&lt;../'.$lonCluster.'_domain.tab');
-    while(&lt;IN&gt;) {
-      if (/^$domaininsert$/) {
+    `rm -f ../dns_domain.tab`;
+    `ln -s ${lonCluster}_dns_domain.tab ../dns_domain.tab`;
+    open(IN,'&lt;../'.$lonCluster.'_dns_domain.tab');
+    while(my $line = &lt;IN&gt;) {
+      if ($line =~/^\Q$domaininsert\E$/) {
         $lineexistflag=1;
       }
-      if (/^$perlvar{'lonDefDomain'}\:/) {
+      if ($line =~/^\Q$perlvar{'lonDefDomain'}\E\:/) {
         $domainexistflag=1;
       }
     }
@@ -991,9 +1958,9 @@ END
     if ($domainexistflag and !$lineexistflag) {
       print &lt;&lt;END;
 WARNING: $perlvar{'lonDefDomain'} already exists inside
-loncapa/loncom/${lonCluster}_domain.tab.  The entry inside
-${lonCluster}_domain.tab does not match your settings.
-The entry inside ${lonCluster}_domain.tab is being replaced
+loncapa/loncom/${lonCluster}_dns_domain.tab.  The entry inside
+${lonCluster}_dns_domain.tab does not match your settings.
+An entry will be made in inside ${lonCluster}_domain.tab
 with your new values.
 END
       `grep -v "$perlvar{'lonDefDomain'}:" ../${lonCluster}_domain.tab &gt; ../new_${lonCluster}_domain.tab`;
@@ -1003,13 +1970,18 @@ END
        close(OUT);
       `ln -s new_${lonCluster}_domain.tab ../domain.tab`;
       # email appropriate message
-      `echo "REPLACEdom:$lonCluster:$lonHostID:$date:$domaninsert" | mail -s "REPLACEdom:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
+      `echo "REPLACEdom:$lonCluster:$lonHostID:$date:$domaininsert" | mail -s "REPLACEdom:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
     }
     elsif ($domainexistflag and $lineexistflag) {
+      `grep -v "$perlvar{'lonDefDomain'}:" ../${lonCluster}_domain.tab &gt; ../new_${lonCluster}_domain.tab`;
+       open(OUT,'&gt;&gt;../new_'.$lonCluster.'_domain.tab') or
+         die("cannot open loncom/${lonCluster}_domain.tab for output\n");
+         print(OUT $domaininsert);
+       close(OUT);
       print &lt;&lt;END;
-Entry exists in ${lonCluster}_domain.tab.
+Entry exists in ${lonCluster}_dns_domain.tab. Making duplicate entry in ${lonCluster}_domain.tab
 END
-      `ln -s ${lonCluster}_domain.tab ../domain.tab`;
+      `ln -s new_${lonCluster}_domain.tab ../domain.tab`;
       # email appropriate message
       `echo "STABLEUPDATEdom:$lonCluster:$lonHostID:$date:$domaininsert" | mail -s "STABLEUPDATEdom:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
     }