diff --git a/docs/gotcha.txt b/docs/gotcha.txt
index 98e05c405..613b3c0b1 100644
--- a/docs/gotcha.txt
+++ b/docs/gotcha.txt
@@ -19,6 +19,14 @@ save you many hours of grief.
  
 	sitename = www.mycompany.com
 
+ * You'll need to add two new Perl modules on some platforms. They are
+	Compress::Zlib and Archive::Tar.
+
+	perl -MCPAN -e shell
+	install Archive::Tar
+	install Compress:Zlib
+	exit
+
 
 5.2.0
 --------------------------------------------------------------------
diff --git a/docs/install.txt b/docs/install.txt
index f6a07b4a9..f6afb27bb 100644
--- a/docs/install.txt
+++ b/docs/install.txt
@@ -20,6 +20,8 @@ QnD INSTALL INSTRUCTIONS:
    Digest::MD5
    Date::Calc
    HTML::Parser 
+   Archive::Tar
+   Compress::Zlib
    Image::Magick (optional)
    Cache::FileCache (optional)
 
diff --git a/sbin/testEnvironment.pl b/sbin/testEnvironment.pl
index 34db1282e..abae68ae2 100644
--- a/sbin/testEnvironment.pl
+++ b/sbin/testEnvironment.pl
@@ -135,6 +135,32 @@ if (eval { require HTML::Parser }) {
         }
 }
 
+print "Archive::Tar module ...................... ";
+if (eval { require Archive::Tar }) {
+        print "OK\n";
+} else {
+	if ($< == 0 && $os eq "Linuxish") {
+                print "Attempting to install...\n";
+                CPAN::Shell->install("Archive::Tar");
+        } else {
+                print "Please install.\n";
+		$prereq = 0;
+        }
+}
+
+print "Compress::Zlib module .................... ";
+if (eval { require Compress::Zlib }) {
+        print "OK\n";
+} else {
+	if ($< == 0 && $os eq "Linuxish") {
+                print "Attempting to install...\n";
+                CPAN::Shell->install("Compress::Zlib");
+        } else {
+                print "Please install.\n";
+		$prereq = 0;
+        }
+}
+
 print "Net::SMTP module ......................... ";
 if (eval { require Net::SMTP }) {
         print "OK\n";