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I need an application that, when running on a machine (the controller), can monitor basic system resources and network connectivity for about 20 Windows servers/clients (the nodes), all in the same local network.

The nodes should be agentless, i.e. no dedicated client/agent should be installed on them.

If necessary, it's acceptable to manually configure any relevant service/permission on a node, as long as it's something that comes with the the OS by default (e.g. PowerShell). Installation of a Java virtual machine is also acceptable.

Supported operating systems for the controller and the nodes:

  • Windows 8.1
  • Windows Server 2012 R2
  • Windows 10

Some other must-have requirements:

  • It's free and open-source
  • The following data is collected every X seconds:

    • IP connectivity (ping)
    • Uptime/Downtime
    • CPU usage
    • Physical and virtual memory usage
    • Disk usage
  • The controller requires a minimal configuration/setup, possibly without the need of prerequisites such as a full-fledged RDBMS or a full-fledged Web Server (e.g. MySQL, Apache).
  • The data is saved on the filesystem or on a SQLite database, on the controller.

The nice-to-have requirements:

  • The controller can send e-mails to alert predefined users about particular events (e.g. lost of network connectivity)
  • The real-time and/or historical data can be displayed remotely on a browser, from a few users on their own machines
  • It has ready-to-use plugins to monitor other system resources and/or can be extended by writing custom plugins

Before writing my own, I was wondering if something with these features already exists.

  • Do you know SNMP (simple network monitoring protocol)? – Thomas Weller Aug 16 '16 at 18:37
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I suppose, 10-Strike LANState Pro complies with the most of the required things (visit link).

IP connectivity (ping)
Uptime/Downtime
CPU usage
Physical and virtual memory usage
Disk usage

In addition, it discoveries and builds a network map.

However, it is not free and open source.

  • open-source is listed as a "must-have". – Nicolas Raoul Aug 17 '16 at 3:28

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