diff --git a/README.md b/README.md
index 74f172e..eff3be7 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,10 @@ There are a few other options for the more enterprising user. Setting any of the
   Normally plexupdate.sh will avoid downloading a file it already has or if it's the same as the installed version, but this allows you to override.
 - PRINT_URL
   Authenticate, fetch the download URL, print it, and then exit.
+- REDHAT_INSTALL
+  The commandline used to install .rpm packages, only change if you need special options
+- DEBIAN_INSTALL
+  The commandline used to install .deb packages, only change if you need special options
 
 Most of these options can be specified on the command-line as well, this is just a more convenient way of doing it if you're scripting it. Which brings us to...
 
diff --git a/plexupdate.sh b/plexupdate.sh
index bfffe11..4450a29 100755
--- a/plexupdate.sh
+++ b/plexupdate.sh
@@ -60,6 +60,10 @@ CRON=no
 QUIET=no
 SILENT=no
 
+# Default options for package managers, override if needed
+REDHAT_INSTALL="yum -y install"
+DEBIAN_INSTALL="dpkg -i"
+
 # Sanity, make sure wget is in our path...
 wget >/dev/null 2>/dev/null
 if [ $? -eq 127 ]; then
@@ -184,8 +188,8 @@ if [ "${AUTOUPDATE}" == "yes" ]; then
 fi
 
 # Sanity check
-if [ "${EMAIL}" == "" -o "${PASS}" == "" ] && [ "${PUBLIC}" == "no" ]; then
-	echo "Error: Need username & password to download PlexPass version. Otherwise run with -p to download public version." >&2
+if [ "${EMAIL}" == "" -o "${PASS}" == "" ] && [ "${PUBLIC}" == "no" ] && [ ! -f /tmp/kaka ]; then
+	echo "Error: Need username & password or -k option to download PlexPass version. Otherwise run with -p to download public version." >&2
 	exit 1
 fi
 
@@ -242,9 +246,11 @@ keypair() {
 
 # Setup an exit handler so we cleanup
 function cleanup {
-	rm /tmp/kaka 2>/dev/null >/dev/null
 	rm /tmp/postdata 2>/dev/null >/dev/null
 	rm /tmp/raw 2>/dev/null >/dev/null
+	if [ "${KEEP}" != "yes" ]; then
+		rm /tmp/kaka 2>/dev/null >/dev/null
+	fi
 }
 trap cleanup EXIT
 
@@ -298,7 +304,7 @@ if [ "${KEEP}" != "yes" -o ! -f /tmp/kaka ] && [ "${PUBLIC}" == "no" ]; then
 	if [ "${CRON}" = "no" ]; then
 	        echo "OK"
 	fi
-else
+elif [ "$PUBLIC" != "no" ]; then
 	# It's a public version, so change URL and make doubly sure that cookies are empty
 	rm 2>/dev/null >/dev/null /tmp/kaka
 	touch /tmp/kaka
@@ -378,9 +384,9 @@ fi
 
 if [ "${AUTOINSTALL}" == "yes" ]; then
 	if [ "${REDHAT}" == "yes" ]; then
-		sudo yum -y install "${DOWNLOADDIR}/${FILENAME}"
+		sudo ${REDHAT_INSTALL} "${DOWNLOADDIR}/${FILENAME}"
 	else
-		sudo dpkg -i "${DOWNLOADDIR}/${FILENAME}"
+		sudo ${DEBIAN_INSTALL} "${DOWNLOADDIR}/${FILENAME}"
 	fi
 fi