The following procedure is used to renew the certificates on the MySQL Enterprise Monitor
# cd /opt/mysql/enterprise/monitor/apache-tomcat/conf/
# cp keystore keystore_bak
# /opt/mysql/enterprise/monitor/mysqlmonitor.sh stop
# /opt/mysql/enterprise/monitor/bin/config.sh --renew
# /opt/mysql/enterprise/monitor/mysqlmonitor.sh start