Monitoring Tools

Nagios is an open source monitoring system, and for a long stretch it was the default answer for keeping an eye on Linux infrastructure. It runs scheduled checks against hosts, services and network devices, so servers, switches and the applications…

Nagios Core is the open source engine behind a lot of the monitoring you have probably met without knowing it. You tell it which hosts and services matter, it checks them on a schedule, and it gets in touch when…