This lab describes how to install Netdata on Alibaba Cloud Elastic Compute Service (ECS) and use it to monitor the Nginx service. Netdata is a tool used to monitor the performance (including CPU, memory, disk I/O, and network data) of the Linux operating system and display the running status of the operating system and applications on the web console in real time. This lab describes how to install Netdata and use it to monitor the Nginx service.