There are multiple variants of the Nagios open source tool for monitoring mission-critical infrastructure components specific to each segment on any operating system:
Network monitoring software
Network traffic monitoring
Server (Linux, Windows) monitoring
Application monitoring tools
Web application monitoring
Monitoring core engine and a basic web interface
Nagios core plugins package with add-ons
Nagios log server security threats with audit system
Nagios facilitates monitoring of the network for problems such as overloaded data links, network connections, monitoring routers, switches, problems caused by overloaded of crashed servers, and so on.
Nagios can deliver the metric results in a variety of visual representations and reports to monitor availability, uptime, and response time of every node on the network with both agent-based and agent-less monitoring.
Effective application monitoring with Nagios enables organizations to quickly detect applications...