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Advanced, production process manager for Node.js
What is PM2?
PM2 is a production process manager for Node.js applications with a built-in load balancer. It allows you to keep applications alive forever, to reload them without downtime and to facilitate common system admin tasks.
Installation:
npm install pm2 -g |
Listing
pm2 list |
Display all processes status |
pm2 jlist |
Print process list in raw JSON |
pm2 prettylist |
Print process list in beautified JSON |
pm2 describe 0 |
Display all informations about a specific process (id 0) |
pm2 monit |
Monitor all processes |
Logs
pm2 logs [--raw] |
Display all processes logs in streaming |
pm2 flush |
Empty all log file |
pm2 reloadLogs |
Reload all logs |
Actions
pm2 stop all |
Stop all processes |
pm2 restart all |
Restart all processes |
pm2 reload all |
Will 0s downtime reload (for NETWORKED apps) |
pm2 gracefulReload all |
Send exit message then reload (for networked apps) |
pm2 stop 0 |
Stop specific process id (0) |
pm2 restart 0 |
Restart specific process id (0) |
pm2 delete 0 |
Will remove process from pm2 list (id=0) |
pm2 delete all |
Will remove all processes from pm2 list |
Misc.
pm2 reset <process> |
Reset meta data (restarted time...) |
pm2 updatePM2 |
Update in memory pm2 |
pm2 ping |
Ensure pm2 daemon has been launched |
pm2 sendSignal SIGUSR2 my-app |
Send system signal to script (my-app) |
pm2 start app.js --no-daemon |
pm2 start app.js --no-vizion |
pm2 start app.js --no-autorestart |
pm2 start app.js --name my-api # Name process |
Fork mode |
pm2 start app.js -i 0 |
Cluster mode - Will start maximum processes with LB depending on available CPUs |
pm2 start app.js -i max |
Cluster mode - Same as above, but deprecated yet |
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