How do I monitor pm2 logs?

How do I monitor pm2 logs?

Monitoring Nodejs Application Using PM2 Terminal To view logs of an app, first select it (use up/down arrows) from the process list. 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.

How do I use pm2 in node JS?

You can use pm2 list to see all the applications running now:

1. If you do any change to the application now, the changes won’t be applied until you restart the application running: pm2 restart hello.
2. You can stop the application running pm2 stop hello.
3. You can run: pm2 start hello.

How do I check pm2?

To get an overview of the processes currently managed by PM2, you can print out a comprehensive list using the command line utility. The output shows basic information about the running processes like app name and id, the mode ( fork or cluster ), status, uptime, memory footprint, etc.

What is pm2 Monit?

pm2 monit is about process management: The local monitoring tool get you insight about CPU usage, memory usage, loop delay or request/min for each process.

How do I enable pm2 watching?

Or via configuration file set the option watch: true . If an application is started with the –watch option, stopping the app will not prevent it to be restarted on file change. To totally disable the watch feature, do: pm2 stop app –watch or toggle the watch option on application restart via pm2 restart app –watch .

Which is better pm2 or forever?

forever and PM2 can be primarily classified as “Node. js Process Manager” tools. forever and PM2 are both open source tools. It seems that PM2 with 30K GitHub stars and 2K forks on GitHub has more adoption than forever with 12.5K GitHub stars and 906 GitHub forks.

How do I restart pm2?

Process management

1. # start and add a process to your list pm2 start app.js # show your list pm2 ls # stop and delete a process from the list pm2 delete app.
2. # kill the process but keep it in the process list pm2 stop app # start the process again pm2 start app # both stop and start pm2 restart app.

How do I start pm2 in cluster mode?

PM2 Cluster Module You can create your application and hand off the clustering to PM2. This command will start two processes of app. js . Using the -i option tells PM2 to start the process in cluster mode instead of fork mode.

How does pm2 restart work?

With reload, pm2 restarts all processes one by one, always keeping at least one process running. It also states that: If the reload system hasn’t managed to reload your application, a timeout will fallback to a classic restart.

How to tell PM2 to run Node RED?

Tell PM2 to run Node-RED The following command tells PM2 to run Node-RED, assuming /usr/bin/node-red as the location of the node-red command. The — argument must appear before any arguments you want to pass to node-red. pm2 start /usr/bin/node-red — -v

What do I need to know about Node RED?

At startup, PM2 indicates the name of the application and its IDentifier and its name. Here 0 and red. NodeRED now works in the background. Here are some useful commands. You can specify the ID or the name of the application. This is the name of the application launched by PM2 (here red).

Where to find Node RED in NPM install?

The command which node-red can be used to confirm the location. If you have done a local install, it will be node_modules/node-red/bin/node-red , relative to where you ran npm install from.

How does PM2 work for Node.js applications?

For Node.js applications, PM2 includes an automatic load balancer that will share all HTTP [s]/Websocket/TCP/UDP connections between each spawned processes. To start an application in Cluster mode: Read more about cluster mode here. You can also create a configuration file, called Ecosystem File, to manage multiple applications.