Let me explain you the actual requirement. I have script that creates the windows vms dynamically. I cannot contact these vms from my desktop through the existing script(using Win32::OLE, psinfo,and other WMI protocols), since VMs are behind firewall.So I created a Linux VM in the same subnet. I can talk to the Linux machine through SSH protocol.Now I want a script that can fetch the information like cpucount, memory and disk size of the neighbor Windows VMs. I have the Admin password for these vms.I would want my script to be light weight and easy run on the Linux server.

No , I am not looking for SNMP tools.

Neither is Sinistral.

While I cannot speak to the other tools I know that Nagios allows you to write plugins to do much. If you can write in Perl (or other languages) and the plugin you write returns to the calling environment certain values you can make Nagios do whatever you need.

I've even seen Nagios used to monitor the temperature of a kegerator.

Check out the Nagios exchange. What you need may already be written by somebody.

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Peter L. Berghold -- Unix Professional
Peter -at- Berghold -dot- Net; AOL IM redcowdawg Yahoo IM: blue_cowdawg

Depending on your VM environment, you might be able to use the native VM API, for example VMware VI API (exposed as a Web service) and VI Perl Toolkit.

Wouldn't it be much easier to get ssh access to your Windows VM, instead of setting up a Linux VM with ssh access, which then needs access to said Windows VM?

It would be easy if I can run a SSH server , but these vms are created on the fly and I dont have a way to run a service on them. Seems like the vmware API is a good solution, I'll give a try with it.Thank you all guys for your suggestions.