In this article, we will show how to monitor Nodejs applications using PM2 from the command line and on the web. This guide assumes you already have PM2 installed on your Linux system and you are already running your Nodejs application using it.
PM2 is a popular daemon process manager for Nodejs with a complete feature set for a production environment, that will help you manage and keep your application online 24/7.
A process manager is a “container” for applications that facilitates deployment, enables you to manage (start, restart, stop, etc..) the application at runtime, and provides for high availability.
In this article, we will show how to monitor Nodejs applications using PM2 from the command line and on the web. This guide assumes you already have PM2 installed on your Linux system and you are already running your Nodejs application using it. Otherwise,
Let’s get started…
PM2 provides a terminal-based dashboard that helps you monitor the resource (memory and CPU) usage of your application. You can launch the dashboard by running the following command.
## pm2 monit
Once it running, use the left/right arrows to switchboards or sections. To view logs of an app, first select it (use up/down arrows) from the process list.
Monitor Nodejs Using PM2 on Terminal
The terminal-based monitoring only works well for applications running on a single server. To monitor and diagnose cross-server applications, use the PM2 web-based dashboard.
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