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WimObiwan / Force-LogoffIdleSessions.ps1
Created January 15, 2026 15:19
#Requires -Version 7.0
<#
.SYNOPSIS
Logs off idle or disconnected users from multiple servers.
.DESCRIPTION
Enumerates all specified servers and forces logoff of users that are idle
or disconnected for longer than the specified timeout periods.
Use 0 for timeout to log off all sessions of that type regardless of idle time.
@WimObiwan
WimObiwan / Git automatic backup.ps1
Created August 29, 2025 08:43
# pwsh automatic backup
Set-Location $PSScriptRoot
git add -A
git commit * -m 'Automatic backup'
git gc
@WimObiwan
WimObiwan / brandon.c
Last active February 10, 2025 19:59
Coderdojo Arduino
#include <ChainableLED.h>
#include <Grove_LED_Bar.h>
#define NUM_LEDS 1
// Pin for LED control
ChainableLED leds(2, 3, NUM_LEDS); // Pin 2 for data, pin 3 for clock
// Button pin
int buttonPin = 4; // Button is connected to pin 4
@WimObiwan
WimObiwan / Select-GraphObject.ps1
Last active September 17, 2024 08:46
Select-GraphObject.ps1 to flatten objects returned by Microsoft Graph, Azure, ... Powershell cmdlets
#usage:
# Get-MgGroupMember -GroupId <someid> | `
# Select-GraphObject displayname, userprincipalname, mail, officelocation
#based on https://stackoverflow.com/questions/72384632/possible-to-pull-info-from-additionalproperties-dictionary-with-microsoft-graph
#with some changes to make it work
function Select-GraphObject {
[CmdletBinding(PositionalBinding = $false)]
param(
@WimObiwan
WimObiwan / WinDbg script.txt
Last active October 19, 2021 08:16
WinDbg troubleshoot deadlocks caused by WinForms STA-violations
* START EXE IN WINDBG
* Based on https://web.archive.org/web/20160223063851/http://blogs.msdn.com/b/dsui_team/archive/2012/10/31/debugging-windows-forms-application-hangs-during-systemevents.userpreferencechanged.aspx
sxe ld clrjit
g
.sympath srv*http://msdl.microsoft.com/download/symbols
.reload
.loadby sos.dll clr
@WimObiwan
WimObiwan / Auth0 - OAuth2 Client Credentials flow example.ps1
Created November 30, 2020 12:21
function Get-AccessTokenClientCredentialsFlow {
param (
[string]$ClientId,
[string]$ClientSecret,
[string]$Audience
)
Add-Type -AssemblyName System.Web
$clientidEnc = [System.Web.HttpUtility]::UrlEncode($ClientId)
@WimObiwan
WimObiwan / Teams config.html
Created November 16, 2020 15:49
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="/favicon.ico" />
<link rel="stylesheet" href="https://static2.sharepointonline.com/files/fabric/office-ui-fabric-core/11.0.0/css/fabric.min.css" />
<title>Microsoft Teams Tab</title>
</head>
<body>
<noscript>You need to enable JavaScript to run this app.</noscript>
@WimObiwan
WimObiwan / auth.log hacking attempt by IP
Created June 12, 2020 20:26
cat /var/log/auth.log /var/log/auth.log | grep 'authentication failure;' | sed 's/.*rhost=\([^ ]*\).*/\1/' | sort | uniq -c
@WimObiwan
WimObiwan / Test-EnduranceSqlConnection.ps1
Last active May 20, 2020 20:31
# Example usage:
# . C:\temp\Test-EnduranceSqlConnection.ps1
# Test-EnduranceSqlConnection '192.168.253.127\Corflow' -Interval ([timespan]::FromSeconds(1))
function Test-Key {
[CmdletBinding()]
param (
[System.ConsoleKey]$Key
)
@WimObiwan
WimObiwan / Wims raadsel.ps1
Created April 8, 2020 08:22
function Match([string]$x, [string]$y) {
if ($x.Length -ne $y.Length) { return '' }
$result = ''
@(0..($x.Length - 1)) | %{
if ($x[$_] -eq $y[$_]) {
$result += '*'
} elseif ($y.Contains($x[$_])) {
$result += '?'
} else {
$result += '.'