How to Install Node.js and PM2 Process Manager

Introduction

Node.js allows you to run JavaScript on the server. PM2 is a process manager that keeps your applications running.

Install Node.js using NodeSource repository for the latest version.

curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -
sudo apt install -y nodejs

Check that Node.js and npm are installed correctly.

node --version
npm --version

Install PM2 globally using npm.

sudo npm install -g pm2

Use PM2 to start and manage your Node.js application.

pm2 start app.js --name myapp
pm2 save
pm2 startup

Use PM2 commands to monitor and manage your applications.

pm2 list
pm2 logs
pm2 monit

Node.js and PM2 are now installed. Your applications will automatically restart on crashes and server reboots.