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How do you all monitor your server performance? (alien.top)
submitted 1 year ago by Michaelscarn69-@alien.top to c/main@selfhosted.forum
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As in, when I watched YouTube tutorials, I often see YouTubers have a small widget on their desktop giving them an overview of their ram usage, security level, etc. What apps do you all use to track this?

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[–] JoeB-@alien.top 1 points 1 year ago (2 children)

I use Telegraf + InfluxDB + Grafana for monitoring my home network and systems. Grafana has a learning curve for building panels and dashboards, but is incredibly flexible. I use it for more than server performance. I have a dual-monitor "kiosk" (old Mac mini) in my office displaying two Grafana dashboards. These are:

Network/Power/Storage showing:

  • firewall block events & sources for last 12 hrs (from pfSense via Elasticsearch),
  • current UPS statuses and power usage for last 12 hrs (Telegraf apcupsd plugin -> InfluxDB),
  • WAN traffic for last 12 hrs ( from pfSense via Telegraf -> InfluxDB),
  • current DHCP clients (custom Python script -> MySQL), and
  • current drive and RAID pool health (custom Python scripts -> MySQL)

Server sensors and performance showing:

  • current status of important cron jobs (using Healthchecks -> Prometheus),
  • current server CPU usage and temps, and memory usage (Telegraf -> InfluxDB)
  • server host CPU usage and temps, and memory usage for last 3 hrs (Telegraf -> InfluxDB)
  • Proxmox VM CPU and memory usage for last 3 hrs (Proxmox -> InfluxDB)
  • Docker container CPU and memory usage for last 3 hrs (Telegraf Docker plugin -> InfluxDB)

Netdata works really well for system performance for Linux and can be installed from the default repositories of major distributions.

[–] daniel280187@alien.top 1 points 1 year ago (1 children)

Network/Power/Storage

Pretty cool dashboards. I liked the DHCP clients info, does it also report DHCP reservations?

Where do you do DHCP, on the PFSense or somewhere else?

[–] JoeB-@alien.top 1 points 1 year ago

does it also report DHCP reservations?

Thanks, and yes, Type "static" are DHCP reservations.

​

Where do you do DHCP, on the PFSense or somewhere else?

Yes, on pfSense. I use the Python function written by pletch/scrape_pfsense_dhcp_leases.py (on Github) that scrapes the pfSense status_dhcp_leases.php page. Then added my own function for querying my TP-Link APs using SNMP to determine which AP a wireless DHCP client is connected to.

I can throw the script up on Dropbox if you are interested. I am mediocre at writing Python, so it is pretty specific to my environment.