Awesome Open Source
Awesome Open Source


PM2 module to automatically monitor vital signs of your server :

  • CPU average usage
  • Free and used drive space
  • Free and used memory space
  • All processes running
  • TTY/SSH opened
  • Total opened files
  • Network speed (input and output)



pm2 install pm2-server-monit


Default settings:

  • drive is the name of the drive you want to monitor, you can monitor multiples at the same time by adding a , between names (example: /,/data to monitor both / and /data assuming they are two different partition). Default is /
  • disk_refresh_rate the rate of refresh for the metrics related to disk in seconds (default to 60)
  • memory_refresh_rate the rate of refresh for metrics related to memory in seconds (default to 2)
  • cpu_refresh_rate the rate of refresh for metrics related to cpu usage in seconds (default to 2)
  • network_refresh_rate the rate of refresh for metrics related to network bandwitdh in seconds (default to 5)

To modify the config values you can use PM2 Plus dashboard or the following commands:

pm2 set pm2-server-monit:drive /
pm2 set pm2-server-monit:network_refresh_rate 10


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If this module uses too much CPU, increase all the refresh rate to higher values

If you have metrics that doesn't appear, it means that is not supported on your platform. Also always check the logs with pm2 logs pm2-server-monit for errors.

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pm2 uninstall pm2-server-monit

Update to latest version

pm2 module:update pm2-server-monit

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