What is pm2 start?

What is pm2 start?

PM2 is a production process manager for Node. js applications with a built-in load balancer. It allows you to keep applications alive forever, to reload them without downtime and to facilitate common system admin tasks. Starting an application in production mode is as easy as: $ pm2 start app.js.

How do I start NPM pm2?

Yes. Use pm2 start npm –no-automation –name {app name} — run {script name} . It works. The –no-automation flag is there because without it PM2 will not restart your app when it crashes.

How do I know if pm2 is starting?

Generating a Startup Script

1. $ pm2 startup [PM2] You have to run this command as root.
2. sudo su -c “env PATH=$PATH:/home/unitech/.nvm/versions/node/v14.3/bin pm2 startup -u –hp
3. $ pm2 unstartup.
4. $ pm2 startup.
5. pm2 startup ubuntu -u www –hp /home/ubuntu.

How do I start a pm2 process?

Your process list is saved into $HOME/. pm2/dump. pm2 . You can then setup a startup hook, to automatically start your process list through machine restarts.

How do I install forever?

Follow these steps:

1. Uninstall NodeJS: sudo apt purge nodejs. sudo apt autoremove.
2. Install curl to download latest NodeJS setup: sudo apt-get install curl.
3. Install NodeJS (incl. npm): sudo apt-get install nodejs.
4. Install forever: sudo npm install forever -g.

Why should I use PM2?

PM2 enables you to keep applications alive forever, reloads them without downtime, helps you to manage application logging, monitoring, and clustering.

How do I run PM2 locally?

Install pm2

1. npm install pm2 -g.
2. apt update && apt install sudo curl && curl -sL https://raw.githubusercontent.com/Unitech/pm2/master/packager/setup.deb.sh | sudo -E bash –
3. pm2 completion install.
4. npm install pm2 -g && pm2 update.

Is PM2 free?

PM2 Plus doesn’t offer any free plan. However PM2 Runtime itself remains free as it’s open source.

Does PM2 auto restart after reboot?

One of PM2’s key features is support for a startup script (generated dynamically based on the default init system on your server), that restarts PM2 and your processes at every server restart. When the server restarts, it will automatically restart PM2, which will then restart all the Node.

How do you reset PM2 service?

You simply have to copy/paste the line PM2 gives you and the startup script will be configured for your OS. As you can see the process/service was restarted automatically. No cron needed and it is how you should do it.

How do I start pm2 in cluster mode?

Using the -i option tells PM2 to start the process in cluster mode instead of fork mode. PM2 also handles possible failures and makes sure your workers processes get back up online in case of an error.

Does pm2 start on boot?

1 Answer. Not by default, but PM2 can do so using a startup script: PM2 can generate startup scripts and configure them in order to keep your process list intact across expected or unexpected machine restarts.

Which is the best way to start PM2?

The simplest way to start, daemonize and monitor your application is by using this command line: $ pm2 start app.js. Or start any other application easily: $ pm2 start bashscript.sh $ pm2 start python-app.py –watch $ pm2 start binary-file — –port 1520. Some options you can pass to the CLI:

How to start an app in PM2 command line?

Start an app. The simplest way to start, daemonize and monitor your application is by using this command line: $ pm2 start app.js. Or start any other application easily: $ pm2 start bashscript.sh $ pm2 start python-app.py –watch $ pm2 start binary-file — –port 1520. Some options you can pass to the CLI:

How to add a name to a PM2 process?

If you want to add a name to the process when you start it, you can use the –name parameter ( pm2 start app.js –name mycoolapp ). Awesome! Your app is now running under PM2, if it crashes, PM2 will restart it.

Is there a new restart mode for PM2?

A new restart mode has been implemented on PM2 Runtime, making your application restarts in a smarter way.