How to get free physical memory of remote computer using PowerShell

Question

I have this:

(Get-WMIObject Win32_logicaldisk -computername computer).TotalPhysicalMemory

to get size of physical memory installed on remote computer. How do I get the FREE memory of that computer?

I've tried

(Get-WMIObject Win32_logicaldisk -computername computer).FreePhysicalMemory

and some other variants, but with no effect. Is there some list of possible "filters"?

Answer 1

Whenever you want to see all of the properties of an object, pipe it to Format-List * .

Get-WmiObject Win32_LogicalDisk | format-list *
Get-WmiObject Win32_OperatingSystem | fl *

Or if you are looking for a particular propery, you can use wildcard search

Get-WmiObject Win32_OperatingSystem | fl *free*

As Aquinas says, you want the Win32_OperatingSystem class, FreePhysicalMemory property. Win32_LogicalDisk tracks hard disks, not RAM.

Answer 2

您还可以尝试使用Get-Counter cmdlet：

(Get-Counter -Counter "\Memory\Available MBytes" -ComputerName computer).CounterSamples[0].CookedValue

Answer 3

我相信你想要Win32_OperatingSystem而不是Win32_logicaldisk 。

Answer 4

So putting together the other answers:

get-ciminstance Win32_OperatingSystem | % FreePhysicalMemory

Remotely:

invoke-command computer { get-ciminstance Win32_OperatingSystem | % FreePhysicalMemory } 

Answer 5

Free memory of the local machine (use -computername foo for a remote one):

(Get-WMIObject Win32_OperatingSystem).FreePhysicalMemory  # in KB

19793740

(Get-WMIObject Win32_OperatingSystem).FreePhysicalMemory / 1MB  # in GB

18.8592491149902

Might seem weird to divide by 1MB to get GB, but the original number is just given in KB. The result is actually no different from writing * 1KB / 1GB (which you can also use).