mirror of
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96 lines
3.6 KiB
PowerShell
Executable File
96 lines
3.6 KiB
PowerShell
Executable File
<#
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.SYNOPSIS
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Checks the uptime
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.DESCRIPTION
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This PowerShell script queries the computer's uptime (time between now and last boot up time) and prints it.
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.EXAMPLE
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PS> ./check-uptime.ps1
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✅ OfficePC is up for 13 days since 1/25/2024
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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function TimeSpanAsString([TimeSpan]$uptime)
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{
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[int]$days = $uptime.Days
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[int]$hours = $days * 24 + $uptime.Hours
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if ($days -gt 2) {
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return "$days days"
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} elseif ($hours -gt 1) {
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return "$hours hours"
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} else {
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return "$($uptime.Minutes)min"
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}
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}
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function Test-RegistryValue { param([parameter(Mandatory=$true)][ValidateNotNullOrEmpty()]$Path, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()]$Value)
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try {
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Get-ItemProperty -Path $Path -Name $Value -EA Stop
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return $true
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} catch {
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return $false
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}
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}
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try {
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[system.threading.thread]::currentthread.currentculture = [system.globalization.cultureinfo]"en-US"
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if ($IsLinux) {
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$lastBootTime = (Get-Uptime -since)
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$uptime = (Get-Uptime)
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} else {
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$lastBootTime = (Get-CimInstance Win32_OperatingSystem).LastBootUpTime
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$uptime = New-TimeSpan -Start $lastBootTime -End (Get-Date)
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}
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$status = "✅"
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$pending = ""
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if ($IsLinux) {
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if (Test-Path "/var/run/reboot-required") {
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$status = "⚠️"
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$pending = "with pending reboot (found /var/run/reboot-required)"
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}
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} else {
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$reason = ""
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if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired") {
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$reason += ", ...\Auto Update\RebootRequired"
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}
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if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\PostRebootReporting") {
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$reason += ", ...\Auto Update\PostRebootReporting"
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}
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if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending") {
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$reason += ", ...\Component Based Servicing\RebootPending"
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}
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if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\ServerManager\CurrentRebootAttempts") {
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$reason += ", ...\ServerManager\CurrentRebootAttempts"
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}
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if (Test-RegistryValue -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing" -Value "RebootInProgress") {
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$reason += ", ...\CurrentVersion\Component Based Servicing with 'RebootInProgress'"
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}
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if (Test-RegistryValue -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing" -Value "PackagesPending") {
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$reason += ", '...\CurrentVersion\Component Based Servicing' with 'PackagesPending'"
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}
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if (Test-RegistryValue -Path "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager" -Value "PendingFileRenameOperations2") {
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$reason += ", '...\CurrentControlSet\Control\Session Manager' with 'PendingFileRenameOperations2'"
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}
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if (Test-RegistryValue -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" -Value "DVDRebootSignal") {
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$reason += ", '...\Windows\CurrentVersion\RunOnce' with 'DVDRebootSignal'"
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}
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if (Test-RegistryValue -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Netlogon" -Value "JoinDomain") {
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$reason += ", '...\CurrentControlSet\Services\Netlogon' with 'JoinDomain'"
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}
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if (Test-RegistryValue -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Netlogon" -Value "AvoidSpnSet") {
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$reason += ", '...\CurrentControlSet\Services\Netlogon' with 'AvoidSpnSet'"
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}
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if ($reason -ne "") {
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$status = "⚠️"
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$pending = "with pending reboot (registry has $($reason.substring(2)))"
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}
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}
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Write-Host "$status $(hostname) is up for $(TimeSpanAsString $uptime) since $($lastBootTime.ToShortDateString()) $pending"
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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