iyre’s gists

iyre / Export-IconImageManifest.ps1

Created January 25, 2025 07:28

Export an HTML manifest of icons contained in a DLL

	# based on https://renenyffenegger.ch/notes/Windows/PowerShell/examples/WinAPI/ExtractIconEx
	function Export-IconImageManifest {
	param (
	[String]$DllPath = "$env:SYSTEMROOT\System32\imageres.dll"
	)

	if (! (test-path $dllPath)) {
	write-output "$dllPath is not a file"
	return
	}

iyre / screen_hz.ahk

Created December 22, 2023 00:48

AutoHotkey script to change the refresh rate of your primary display

	#Requires AutoHotkey v2.0
	#SingleInstance
	A_IconTip := "Change screen refresh rate"

	; Based on an AHK v1 script from this Reddit post
	; https://www.reddit.com/r/AutoHotkey/comments/qeqhfs/switch_refresh_rate_using_hotkeys/

	; Hotkey modifier symbols: #=Win, !=Alt, ^=Ctrl, +=Shift

	; Find and set max supported refresh rate for primary monitor

iyre / ip_math.ps1

Created January 28, 2023 04:01

powershell ip math

	function IpToInt ([ipaddress]$IPAddress) {
	$IpBytes = $IPAddress.GetAddressBytes()

	if ([BitConverter]::IsLittleEndian) {
	[Array]::Reverse($IpBytes)
	}

	return [BitConverter]::ToUInt32($IpBytes, 0)
	}

iyre / Set-ADOrgInfo.ps1

Last active November 11, 2021 23:17

update common organizational attributes in active directory using this powershell script

	[CmdletBinding()]
	param (
	[Parameter(Mandatory = $true)][ValidateSet('Title', 'Department', 'Company')]
	[string]$AttributeName = (Read-host -Prompt "Which attribute? [Title, Department, Company]"),
	[Parameter(Mandatory = $true)][string]$AttributeValueOld = (Read-Host -Prompt "Old value"),
	[Parameter(Mandatory = $true)][string]$AttributeValueNew = (Read-Host -Prompt "New value"),
	[switch]$NoConfirm
	)

	begin {}

iyre / Test-UserCredential.ps1

Created October 21, 2021 22:08

Test a domain user's credential, perhaps when validating a temporary password.

	function Test-UserCredential {
	[CmdletBinding()]
	[OutputType([bool])]
	param (
	[pscredential]$Credential
	)

	begin {
	if ($null -eq $Credential) { $Credential = Get-Credential }
	$Domain = $Env:USERDOMAIN

iyre / Set-DHCPv4SubnetMask.ps1

Created March 25, 2021 15:36

Update the subnet mask for an existing DHCP scope

	$ServerName = "CORP-DHCP01"
	$ScopeId = "10.10.10.0"
	$SubnetMask = "255.255.255.0" #This is the NEW mask that will be applied
	$ServerFile = "c:\temp\dhcp_backup.xml"
	$ServerFileBackup = "c:\temp\dhcp_backup2.xml"
	$ScopeFile = "c:\temp\scope_$ScopeId.xml"

	#backup entire server, just in case
	Export-DhcpServer -ComputerName $ServerName -Leases -File $ServerFile

iyre / Set-WindowsActivationKey.ps1

Created August 3, 2020 18:25

iyre / bulk_rename.ps1

Last active June 2, 2020 01:13

powershell bulk rename

	Get-ChildItem \| Where-Object {$_.Name -like "* - *.wav"} \| foreach {
	Rename-Item $_ -NewName $_.Name.Substring(5) -whatif
	}

iyre / remote_add_user_to_group.ps1

Created March 1, 2020 20:31

	$target = read-host "Target"
	$group = read-host "Group"
	$user = read-host "User"

	Invoke-Command -ComputerName $target -ScriptBlock {
	net localgroup $(args[0]) $(args[1]) /add
	#With PS5
	#Add-LocalGroupMember -Group $(args[0]) -Member $(args[1])
	} -ArgumentList $group,$user

iyre / cisco-ap-config.py

Created February 25, 2020 02:23

python telnetlib to configure cisco ios

Miles Miller iyre