Get-UptimeV1.ps1
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Script
<#
.SYNOPSIS
Demonstrates uptime using WMI
.DESCRIPTION
This script used Win32_ComputerSystem to determine how long your system
has been running.
.NOTES
File Name : Get-UpTime.ps1
.LINK
.EXAMPLE
PS C:\Get-UpTime
System Up for: 1 days, 8 hours, 40.781 minutes
#>
[cmdletbinding(DefaultParameterSetName = 'default')]
param([Parameter(Mandatory = $True,
HelpMessage = "Please enter a ComputerName",
ValueFromPipeline = $false,
ValueFromPipelineByPropertyName = $True)]
[Alias('cn', 'ComputerName')]
[string[]]$ComputerName
)
BEGIN {}
PROCESS {
function WMIDateStringToDate($Bootup) {
[System.Management.ManagementDateTimeconverter]::ToDateTime($Bootup)
}
$Computer = "$ComputerName"
$Computers = Get-WMIObject -class Win32_OperatingSystem -computer $Computer
foreach ($system in $computers) {
$Bootup = $system.LastBootUpTime
$LastBootUpTime = WMIDateStringToDate($Bootup)
$now = Get-Date
$Uptime = $now - $lastBootUpTime
$d = $Uptime.Days
$h = $Uptime.Hours
$m = $uptime.Minutes
$ms = $uptime.Milliseconds
"System Up for: {0} days, {1} hours, {2}.{3} minutes" -f $d, $h, $m, $ms
}
END {
}
}
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