Marcus runs Linux servers for a regional school district. He covers open-source monitoring tools and syslog, and tries every command he prints on a spare box first.
Counters, five-minute graphs and red dots: how SNMP, MRTG, RRDtool, Nagios, Cacti, Zabbix, LibreNMS and Prometheus shaped the monitors we run today.
Continue reading From MRTG to Prometheus: a short history of open-source network management ›
Network Monitoring, SNMP & Protocols
One rsyslog server, one folder per device, logs you can grep at 2 a.m. Formats, severities, device settings, rotation and clocks for a small network.
Continue reading Syslog for small networks: collect, rotate and actually read your logs ›
Four open-source monitors, four ideas of what a measurement is. How Nagios, Zabbix, LibreNMS and Prometheus store data, where each hurts, and who each suits.
Continue reading Nagios, Zabbix, LibreNMS, Prometheus: choosing an open-source monitor ›
