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Goadstir/Get-LastRebootTime.ps1

Created January 8, 2020 20:42
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PowerShell: Get the last reboot of the host
Raw
Get-LastRebootTime.ps1
# find out last boot time
$os = Get-CimInstance -ClassName Win32_OperatingSystem
$lastBoot = $os.LastBootUpTime
# raw datetime output
$lastBoot
# e.g. \> Wednesday, December 5, 2018 2:31:48 AM
# formatted string output
Get-Date -Date $lastBoot -Format '"Last reboot at" MMM dd, yyyy "at" HH:mm:ss "and" fffff "Milliseconds."'
# e.g. \> Last reboot at Dec 05, 2018 at 02:31:48 and 48526 Milliseconds.
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