Public/Get-Uptime.ps1
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<#
.SYNOPSIS Shows uptime information for a computer .DESCRIPTION Shows uptime information for a computer .PARAMETER ComputerName Specify the computer name to check .EXAMPLE PS C:\> get-adcomputer -Filter {Name -like "WKS*"} | ForEach-Object {Get-Uptime $_.Name} #> Function Get-Uptime { [CmdletBinding()] Param ( [Parameter( ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true, Position = 0)] [string[]] $ComputerName = $env:COMPUTERNAME, [Switch] $ShowOfflineComputers ) BEGIN { $ErroredComputers = @() } PROCESS { Write-Host "Processing $ComputerName" Foreach ($Computer in $ComputerName) { Try { $OS = Get-WmiObject Win32_OperatingSystem -ComputerName $Computer -ErrorAction Stop $Uptime = (Get-Date) - $OS.ConvertToDateTime($OS.LastBootUpTime) $Properties = @{ComputerName = $Computer LastBoot = $OS.ConvertToDateTime($OS.LastBootUpTime) Uptime = ([String]$Uptime.Days + " Days " + $Uptime.Hours + " Hours " + $Uptime.Minutes + " Minutes") } $Object = New-Object -TypeName PSObject -Property $Properties | Select-Object ComputerName, LastBoot, UpTime } catch { if ($ShowOfflineComputers) { $ErrorMessage = $Computer + " Error: " + $_.Exception.Message $ErroredComputers += $ErrorMessage $Properties = @{ComputerName = $Computer LastBoot = "Unable to Connect" Uptime = "Error Shown Below" } $Object = New-Object -TypeName PSObject -Property $Properties | Select-Object ComputerName, LastBoot, UpTime } } finally { Write-Output $Object $Object = $null $OS = $null $Uptime = $null $ErrorMessage = $null $Properties = $null } } if ($ShowOfflineComputers) { Write-Output "" Write-Output "Errors for Computers not able to connect." Write-Output $ErroredComputers } } END { } } |