Monitor your devices with LibreNMS on FreeBSD (opens in new tab)

LibreNMS has been a faithful companion for years now. It quietly handles the monitoring of my servers, devices, and services without demanding much in return - exactly what you want from a tool whose job is to watch over everything else. It's a solid alternative to heavier solutions like Zabbix, and it gives you alerts, data, and graphs on virtually anything reachable over SNMP. I usually install it on a host that is not reachable from the outside, then let it poll all the devices through a V...