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Detect RAM usage remotely using powershell

Posted by Xaus Xavier Nadal 8th on October 2012

Today I needed RAM usage detect multiple remote servers to a study of performance and provide a tailored solution to a customer who wants to virtualize your physical server environment.

To make the query I usedpowershelland the commandget-wmiobjectalong with the classwin32_operatingsystem,this does not need to remotely access servers that we want to detect the use of RAM.

The specific value of the use of RAM that I know I can not get straight and I had to do a subtraction between the valueTotalVisibleMemorySizeand valueFreePhysicalMemory. As you all know the use of ram is not stable so if you want to do a study properly, you will have to check this value at various times of the day and do half for example.

I pass the entire command and the result obtained.

get-wmiobject-class "win32_operatingsystem"-computername server1, server2, server3 | ft __ SERVER, @ {expression = {($ _.TotalVisibleMemorySize) - ($ _.FreePhysicalMemory)}, label = "UsedMemory"}

__SERVER UsedMemory


server1 1816500

server2 648668

server3 1738564

I hope you will help.

PS: All this would not have been possible without the invaluable help of one of the best guys Scripting the moment .. Those who follow the blog already know, I do not need to put your name as you would most like to live in anonymity until further notice .. hehe ..

Greetings and see you soon and of course if any of you know how to improve the script, or has to detect the exact query RAM usage without making strange calculations in the script, please post it as a comment and so may see the whole community.

Always good people to comment and contribute knowledge and remember always constructive criticism .. At least for me.

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Posted by scripts | No Comments »

How to detect slots used or free on ESX memory.

Posted by Xaus Xavier Nadal on August 22nd 2012

Good Morning.

Today has been a need to know the free slots of a physical server under ESX and of course I did not want putting on third party tools to perform this search.

From what I've been looking for ways to detect the hardware directly with Linux commands and found the command dmidecode gives us a result on the system hardware.

Detect modules available RAM, CPU, USB, PCI Express, ...

You must log in as root and using a putty SSH connection and run the following command

smbiosDump | grep Size:

We may also use:

dmidecode | less

We show the results of the hardware and the Page Down key or the cursor down until you can go read Memory Device for example where we can see if they are busy memory modules:

Megacrack read »

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Posted by Linux - Ubuntu, VMware | No Comments »

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