useg bash in cronjob and stop script on SIGINT

renew_cert.sh

@@ -14,6 +14,9 @@ openssl_conf=$opt_dir/openssl.conf
 # script
 
 
+# stop script if receive SIGINT signal (ctrl-c)
+trap "exit" INT
+
 # check if needed files are provided
 if [ $# -eq 0 ]; then
   echo "No arguments provided."