mystery certbot-auto-cron RHEL diff

thing.sh

   if [ "$configure_cron" -eq 1 -a -f /etc/debian_version ]; then
+    # when a normal user creates a crontab via `sudo`, it gets added to the root crontab
+    root_crontab_dir=/var/spool/cron/crontabs/root
     ConfigureCronDeb
+  elif [ "$configure_cron" -eq 1 -a -f /etc/redhat-release ]; then
+    ConfigureCronDeb # will this work???  
   elif [ "$configure_cron" = 1 ]; then
     echo "Generating cron jobs for your system is not supported yet."
     echo "For instructions on doing this manually:"
-    echo "https://certbot.eff.org/docs/using.html#renewing-certificates" # these instructions would freak a beginner out
+    echo "https://certbot.eff.org/docs/using.html#renewing-certificates" # TODO: link to better instructions
   fi
 
 else
@@ -382,7 +386,7 @@ else
   # Each phase checks the version of only the thing it is responsible for
   # upgrading. Phase 1 checks the version of the latest release of
   # certbot-auto (which is always the same as that of the certbot
-  # package). Phase 2 checks the version of the locally installed certbot.
+# package). Phase 2 checks the version of the locally installed certbot.
 
   if [ ! -f "$VENV_BIN/letsencrypt" ]; then
     if [ "$HELP" = 1 ]; then
diff --git a/letsencrypt-auto-source/pieces/bootstrappers/deb_common.sh b/letsencrypt-auto-source/pieces/bootstrappers/deb_common.sh
index 2e5dc0d..755d183 100644
--- a/letsencrypt-auto-source/pieces/bootstrappers/deb_common.sh
+++ b/letsencrypt-auto-source/pieces/bootstrappers/deb_common.sh
@@ -119,10 +119,7 @@ BootstrapDebCommon() {
 }
 
 ConfigureCronDeb() {
-  if [ -z "$cron" ]; then
-    # when a normal user creates a crontab via `sudo`, it gets added to the root crontab
-    root_crontab_dir=/var/spool/cron/crontabs/root
-
+  if [ -z "$configure_cron" ]; then
     if $SUDO test ! -f "$root_crontab_dir"; then
       echo "Directory $root_crontab_dir doesn't exist. Creating."
     else
@@ -137,6 +134,11 @@ ConfigureCronDeb() {
       echo "$crontab_text" > $tmp_cron_file
       $SUDO crontab $tmp_cron_file
       rm $tmp_cron_file
+  
+      if [ ! -z $configure_cron ]; then
+        $SUDO service crond start
+      fi
+
     else
       echo "Not adding a renewal cron job for certbot, as one already exists."
     fi
diff --git a/letsencrypt-auto-source/pieces/bootstrappers/rpm_common.sh b/letsencrypt-auto-source/pieces/bootstrappers/rpm_common.sh
index 44c4625..fb12a51 100755
--- a/letsencrypt-auto-source/pieces/bootstrappers/rpm_common.sh
+++ b/letsencrypt-auto-source/pieces/bootstrappers/rpm_common.sh
@@ -54,6 +54,14 @@ BootstrapRpmCommon() {
     ca-certificates
   "
 
+  if [ ! -z $configure_cron ]; then
+    pkgs="$pkgs
+      vixie-cron
+      cronie
+      crontabs
+    "
+  fi
+