Please note that Node.js and NPM come pre-installed on the BeagleBone Black.
Steps:
1. Install Node.js if not already installed.
2. Install NPM if not already installed.
3. Install PM2 using NPM:
sudo npm install pm2 -g
4. Tip for using PM2:
- In order to retain the PM2 configuration through a reboot, run the following:
sudo pm2 save