+##############
+
#[letsencrypt renewal]
# run the letsencrypt certificate renewal process every 4 hours.
-37 */4 * * * letsencrypt renew &>>/tmp/${USER}-cron-letsencrypt_renewal.log
+37 */4 * * * letsencrypt renew &>>/tmp/${CRONUSER}-cron-letsencrypt_renewal.log
+
+##############