By pinging a private IP range, PRTG lets you get started with uptime monitoring simply by opening the monitoring tool for the first time. Use our Smart Setup! PRTG automatically begins creating sensors right from the time it is being configured. It verifies if your website is up and functional and notifies you if its not. Sensors for servers, bandwidth, applications.the selection is vast and constantly being updated by the PAESSLER team. An uptime monitoring solution can help you prevent or reduce these losses. Other sensors: Our PRTG sensor list contains more than 250 predefined sensors. While this sensor is well-suited for Windows devices, it tends to have a greater effect on your system's performance than SNMP. Five-nines availability, however, is difficult to achieve. An uptime of 99.999high availabilityallows for 5.25 minutes of downtime in a single year. The formula for calculating the percentage of uptime, as stated above, is simply uptime divided by total time. For more information, check out the Windows System Uptime Sensor. In its most basic form, uptime is the downtime subtracted from the total time. ago If ping is enough you could use smokeping. With any internal monitoring, you will only get notifications after it’s back up. With this tool, you can view whether devices are classified as Up, Critical, Warning, or Undefined. As it’s external, you get notifications of the network being down. SolarWinds Network Performance Monitor (FREE TRIAL) Although it doesn’t cover websites, SolarWinds Network Performance Monitor is an excellent tool for uptime monitoring on network devices. ![]() ![]() Windows System Uptime Sensor: With this sensor, you can monitor uptime via Windows Performance Counters or WMI (Windows Management Instrumentation) and see how long a Windows-based computer has been running without interruption. It’s free for 5 min interval checks which is good enough for me. Read more about the SNMP System Uptime Sensor. ![]() ![]() SNMP uses little bandwidth and CPU and is therefore an ideal monitoring solution. SNMP System Uptime Sensor: This predefined sensor will enable you to monitor uptime via SNMP and see how long a device has been running without interruption. Find out more about the Ping sensor in the PRTG manual. Ping Sensor: The easiest way to check the uptime or availability of your network or your website is by using a Ping sensor.
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