📦 Installation Command
npm install -g pm2
PM2 Node.js Process Manager Configuration
pm2 systemctl: pm2-{user} (after pm2 startup)Production process manager for Node.js. Clustering, load balancing, monitoring.
🔌 Default Port
N/A
N/A
Manages app ports, doesn't listen itself
⚙️ Configuration Files
ecosystem.config.js (project-level)~/.pm2/conf.js
📂 Default Directories
- config:
~/.pm2 - data:
~/.pm2 - logs:
~/.pm2/logs - pids:
~/.pm2/pids
🔐 Default Credentials
Username:N/A
Password:N/A
💡 Runs as installing user. Use pm2 startup to configure system service.
📌 Dependencies
⚠️ Conflicts
✅ Works With
🛡️ Security Notes
Use non-root user, set max_memory_restart, configure log rotation
❓ Frequently Asked Questions
What port does PM2 use?
PM2 web interface uses port 9615 when pm2-web or pm2 plus is enabled.
How to start app with PM2?
Run: pm2 start app.js or pm2 start ecosystem.config.js
How to enable PM2 on startup?
Run: pm2 startup, then pm2 save