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How do I start Express app with pm2?

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How do I start Express app with pm2?

How to Install and Use Pm2 for Express Application

  1. Requirements.
  2. Getting Started. Before installing other packages, it is recommended to update your system with the latest version.
  3. Install Node. js.
  4. Generate Express App.
  5. Install pm2.
  6. Install and Configure Nginx.
  7. Access Hakase App.

How do I start a pm2 service?

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 node js pm2 app?

You may skip the information that you do not need, but following the steps closely may provide some advantages.

  1. Create a Safe Account to Run Your Code.
  2. Login as the Safe User.
  3. Install GIT.
  4. Install Latest Node.
  5. Give Safe User Permission To Use Port 80.
  6. Use NPM To Install A Package Called PM2.
  7. Create a Simple Node App.

How do I start NPM pm2?

3 Answers. In your case, pm2 start npm — start would run node ./bin/www . Change the start script to node app. js if you want to run node app.

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.

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.

How do I restart PM2?

  1. Restart at cron time. Via CLI:
  2. Restart on file change. PM2 can automatically restart your application when a file is modified in the current directory or its subdirectories:
  3. Restart Delay.
  4. No Auto Restart.
  5. Skip Auto Restart For Specific Exit Codes.
  6. Exponential Backoff Restart Delay.

How do I install pm2 globally?

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.

What is forever list?

The forever list command is used to list down all the forever running scripts. As well as, this command provides details of log file name & location, process id, up-time of each scripts that are running. $ forever list. output: info: Forever processes running.

How do I get Started with PM2?

Getting started with PM2 is straightforward, it is offered as a simple and intuitive CLI, installable via NPM. The latest PM2 version is installable with NPM or Yarn: To install Node.js and NPM you can use NVM The simplest way to start, daemonize and monitor your application is by using this command line: Or start any other application easily:

How do I restart an application that is running under PM2?

Applications that run under PM2 are automatically restarted when the application is killed or if it crashes. Some additional configuration is needed to allow the application to launch when the system is booted or rebooted. Fortunately, PM2 has an easy way to get this done – the subcommand ‘startup’.

How does express work with PM2?

Express will return a page to nginx, which then is sent back to the client. All the while, pm2 monitors our Express application to ensure it is running, and restarts it if stopped. Express is built on Node, so we must first install Node. According to the official post:

How can I monitor the performance of an application using PM2?

You can also get the real-time status of the application, specifically the memory usage, by running pm2 monit. pm2 will keep applications running, as long as it is running itself. If pm2 itself is terminated, for example, through a reboot, then we must also configure it so that pm2 starts back up automatically.

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