How-to: Get hardware and software information [Pshinfo.ps1]

Get information about a machine - Ram, Disk Space, Service pack, Uptime, rather like psinfo only written in PowerShell.

Param($machine)

function GetComputerInfo{
    Param($mc)
    # Ping the machine to see if it is online
    If (Test-Connection $mc -count 1 -quiet) {

        # Ping Success

        # ComputerSystem info
        $CompInfo = Get-CimInstance Win32_ComputerSystem -comp $mc

        # OS info
        $OSInfo = Get-CimInstance Win32_OperatingSystem -comp $mc

        # Serial No
        $BiosInfo = Get-CimInstance Win32_BIOS -comp $mc

        # CPU Info
        $CPUInfo = Get-CimInstance Win32_Processor -comp $mc

        # Create custom Object
        $myobj = "" | Select-Object Name,Domain,Model,MachineSN,OS,ServicePack,WindowsSN,Uptime,RAM,Disk
        $myobj.Name = $CompInfo.Name
        $myobj.Domain = $CompInfo.Domain
        $myobj.Model = $CompInfo.Model
        $myobj.MachineSN = $BiosInfo.SerialNumber
        $myobj.OS = $OSInfo.Caption
        $myobj.ServicePack = $OSInfo.servicepackmajorversion
        $myobj.WindowsSN = $OSInfo.SerialNumber
        $myobj.uptime = (Get-Date) - [System.DateTime]::ParseExact($OSInfo.LastBootUpTime.Split(".")[0],'yyyyMMddHHmmss',$null)
        $myobj.uptime = "$($myobj.uptime.Days) days, $($myobj.uptime.Hours) hours," +`
          " $($myobj.uptime.Minutes) minutes, $($myobj.uptime.Seconds) seconds" 

        $myobj.RAM = "{0:n2} GB" -f ($CompInfo.TotalPhysicalMemory/1gb)
        $myobj.Disk = GetDriveInfo $mc

        #Return Custom Object"
        $myobj
    } else {
        # Ping Failed!
        Write-Host "Error: $mc not Pingable" -fore RED
    }
}

function GetDriveInfo{
    Param($comp)
    # Get disk sizes
    $logicalDisk = Get-CimInstance Win32_LogicalDisk -Filter "DriveType=3" -ComputerName $comp
    foreach($disk in $logicalDisk)
    {
        $diskObj = "" | Select-Object Disk,Size,FreeSpace
        $diskObj.Disk = $disk.DeviceID
        $diskObj.Size = "{0:n0} GB" -f (($disk | Measure-Object -Property Size -Sum).sum/1gb)
        $diskObj.FreeSpace = "{0:n0} GB" -f (($disk | Measure-Object -Property FreeSpace -Sum).sum/1gb)

        $text = "{0}  {1}  Free: {2}" -f $diskObj.Disk,$diskObj.size,$diskObj.Freespace
        $msg += $text + [char]13 + [char]10 
    }
    $msg
}

# Main - run all the functions
GetComputerInfo ($machine) 

Examples

Assuming the script above is saved in the current directory as pshinfo.ps1, run it passing a computername:

PS C:\> ./pshinfo FileServer02

This script is based on an original by Brandon Shell [MVP]

“In any collection of data, the figure most obviously correct, beyond all need of checking, is the mistake” ~ Finagle's third law.

Related PowerShell Cmdlets

psinfo - List information about a system.