PRTG Catches Network Issues Before They Cause Downtime
Threshold-based alerts flag problems early, so your team can act before users notice, not after.
Reactive troubleshooting usually means hearing about a problem from frustrated users, not your monitoring tool. PRTG sets threshold-based alerts across devices, servers and applications, notifying your team by email, SMS or push the moment a metric crosses a set limit. That means catching a failing disk or overloaded server before it becomes an outage and getting time back from firefighting. Start a free trial and set your first alerts today.
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pingerd is a network monitoring tool. it will ping some hosts every n minutes, keep a log of ping times, and run a set of commands if the host response time is too slow. it's written in tcl.
GUI front-end to: socket client and socket server, port scanners, ping, trace route, whois, NS look-up (ei: dig), finger, service, chkconfig, netstat and a command-line huff... puff... A mouth full? Nahh a full net tool application!