Answer:
Basic commands:
- pm2 list: list running processes
- pm2 stop <app> or pm2 delete <app>: stop or remove
- pm2 restart <app> or pm2 reload <app>: restart or reload without downtime
- pm2 logs <app>: view aggregated logs
- pm2 monit: open monitoring dashboard
- pm2 startup: generate startup scripts so processes start on system boot
- pm2 scale <app> <n>: run n instances (cluster mode)
