(This is a monitoring and alarm system integrating Prometheus + grafana + Ruixiang cloud. It integrates the current popular monitoring system Prometheus and uses the convenient data visualization tool grafana. Ruixiangyun intelligent alarm platform can access various alarm information and provide a variety of alarm forms. This tutorial explains in detail the deployment, configuration and integration of the three technologies, and teaches you to build a monitoring system with complete functions, beautiful interface and timely alarm.)