mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-11-29 19:33:20 +01:00
109 lines
3.0 KiB
Markdown
109 lines
3.0 KiB
Markdown
Script: *check-swap-space.ps1*
|
|
========================
|
|
|
|
This PowerShell script queries the current status of the swap space and prints it.
|
|
|
|
Parameters
|
|
----------
|
|
```powershell
|
|
PS> ./check-swap-space.ps1 [[-minLevel] <Int32>] [<CommonParameters>]
|
|
|
|
-minLevel <Int32>
|
|
Specifies the minimum level in GB (10 GB by default)
|
|
|
|
Required? false
|
|
Position? 1
|
|
Default value 10
|
|
Accept pipeline input? false
|
|
Accept wildcard characters? false
|
|
|
|
[<CommonParameters>]
|
|
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
|
|
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
|
|
```
|
|
|
|
Example
|
|
-------
|
|
```powershell
|
|
PS> ./check-swap-space.ps1
|
|
✅ Swap space uses 42%, 748MB free of 1GB
|
|
|
|
```
|
|
|
|
Notes
|
|
-----
|
|
Author: Markus Fleschutz | License: CC0
|
|
|
|
Related Links
|
|
-------------
|
|
https://github.com/fleschutz/PowerShell
|
|
|
|
Script Content
|
|
--------------
|
|
```powershell
|
|
<#
|
|
.SYNOPSIS
|
|
Checks the swap space
|
|
.DESCRIPTION
|
|
This PowerShell script queries the current status of the swap space and prints it.
|
|
.PARAMETER minLevel
|
|
Specifies the minimum level in GB (10 GB by default)
|
|
.EXAMPLE
|
|
PS> ./check-swap-space.ps1
|
|
✅ Swap space uses 42%, 748MB free of 1GB
|
|
.LINK
|
|
https://github.com/fleschutz/PowerShell
|
|
.NOTES
|
|
Author: Markus Fleschutz | License: CC0
|
|
#>
|
|
|
|
param([int]$minLevel = 10)
|
|
|
|
function MB2String { param([int64]$Bytes)
|
|
if ($Bytes -lt 1000) { return "$($Bytes)MB" }
|
|
$Bytes /= 1000
|
|
if ($Bytes -lt 1000) { return "$($Bytes)GB" }
|
|
$Bytes /= 1000
|
|
if ($Bytes -lt 1000) { return "$($Bytes)TB" }
|
|
$Bytes /= 1000
|
|
if ($Bytes -lt 1000) { return "$($Bytes)PB" }
|
|
$Bytes /= 1000
|
|
if ($Bytes -lt 1000) { return "$($Bytes)EB" }
|
|
}
|
|
|
|
try {
|
|
[int64]$Total = [int64]$Used = [int64]$Free = 0
|
|
if ($IsLinux) {
|
|
$Result = $(free --mega | grep Swap:)
|
|
[int64]$Total = $Result.subString(5,14)
|
|
[int64]$Used = $Result.substring(20,13)
|
|
[int64]$Free = $Result.substring(32,11)
|
|
} else {
|
|
$Items = Get-WmiObject -class "Win32_PageFileUsage" -namespace "root\CIMV2" -computername localhost
|
|
foreach ($Item in $Items) {
|
|
$Total += $Item.AllocatedBaseSize
|
|
$Used += $Item.CurrentUsage
|
|
$Free += ($Total - $Used)
|
|
}
|
|
}
|
|
if ($Total -eq 0) {
|
|
Write-Output "⚠️ No swap space configured"
|
|
} elseif ($Free -eq 0) {
|
|
Write-Output "⚠️ Swap space of $(MB2String $Total) is full"
|
|
} elseif ($Free -lt $minLevel) {
|
|
Write-Output "⚠️ Swap space of $(MB2String $Total) is nearly full, only $(MB2String $Free) free"
|
|
} elseif ($Used -lt 5) {
|
|
Write-Output "✅ Swap space unused, $(MB2String $Free) free"
|
|
} else {
|
|
[int]$Percent = ($Used * 100) / $Total
|
|
Write-Output "✅ Swap space uses $Percent%, $(MB2String $Free) free of $(MB2String $Total)"
|
|
}
|
|
exit 0 # success
|
|
} catch {
|
|
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
}
|
|
```
|
|
|
|
*(generated by convert-ps2md.ps1 using the comment-based help of check-swap-space.ps1 as of 01/25/2024 13:36:50)*
|