public/Get-Uptime.ps1
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function Get-UpTime { <# .SYNOPSIS Get system uptime .DESCRIPTION Get system uptime (time since last restart) .PARAMETER ComputerName Optional. Name of remote computer to query .PARAMETER Credential Optional. Credential to use for remote connection when using -ComputerName .EXAMPLE Get-UpTime .EXAMPLE Get-UpTime -ComputerName Server123 .EXAMPLE Get-UpTime -ComputerName Server123 -Credential $myCred .LINK https://github.com/Skatterbrainz/helium/blob/master/docs/Get-UpTime.md #> [CmdletBinding()] param ( [parameter()][string]$ComputerName, [parameter()][pscredential]$Credential ) try { if ($PSVersionTable.Platform -eq 'Unix') { Write-Verbose "Running on Linux" if (![string]::IsNullOrWhiteSpace($ComputerName)) { Write-Warning "Remote computer queries not supported on Linux" } Invoke-Command -ScriptBlock { uptime --pretty } -ErrorAction Stop } else { Write-Verbose "Running on Windows" if (![string]::IsNullOrWhiteSpace($ComputerName)) { $params = @{ ComputerName = $ComputerName ErrorAction = 'Stop' } if ($null -ne $Credential) { $params['Credential'] = $Credential $params['Authentication'] = 'Negotiate' } $session = New-CimSession @params Get-CimInstance -CimSession $session -ClassName Win32_OperatingSystem -ErrorAction Stop | Select-Object CSName,LastBootupTime } else { Get-CimInstance -ClassName Win32_OperatingSystem -ErrorAction Stop | Select-Object CSName,LastBootupTime } } } catch { Write-Error $_.Exception.Message } finally { if ((!$IsLinux) -and (Get-CimSession $session)) { $null = Remove-CimSession $session } } } |