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Monthly Archives: August 2017

Measure-Command: A speed comparison (Foreach vs. Foreach-Object)

Measure-Command measures how long a command or script takes to complete. This is particulary important for processing large amounts of data.


DDOS: DNS Amplification Angriffe

Der DNS Dienst ist in Segen. Ohne DNS müssten sich Menschen IP-Adressen merken, oder altmodisch Hosts Dateien bearbeiten. DNS bietet also Komfort. Aber leider sind Komfort und Sicherheit keine Freunde. Das bekamen am 15.02.2006 einige DNS-Stammserver (Root-Server) zu spüren. Und zwar durch einen DNS Amplification Attack (DNS-Verstärkungsangriff).


PowerShell: How to find out users last logon (Get-LocalUser)

With the introduction of PowerShell 5.1 new commands for local user administration were introduced. I`m glad to hear that. I don`t like net user.


PowerShell: Using Restart-Computer to restart your Computer and Remote Computers

For restarting your computer,  you can simply click the Start Button and afterwards On/Off. In this article it’s all about Windows PowerShell, so we focus on two commands: Restart-Computer and Stop-Computer.


Ping: Request timed out vs. Destination Host unreachable

Often executed – often not well interpreted. What is Ping? Ping is the network troubleshooting tool No. 1. Ping sends ICMP packets to an IP device. In the expection, that the remote device will respond with an ICMP Echo Reply. But what does the error request timed out mean? And what means destination host unreachable?


Active Directory: Configuring Roaming Profiles using GUI or PowerShell

By configuring Roaming Profiles, the users are able to use their familiar desktop on any computer in the domain. In this article I describe how to configure roaming profiles with the graphical user interface and with PowerShell.


How to enable Remote Desktop and establish a Remote Desktop Session (Windows 10 / Windows Server)

This article shows how to enable Remote Desktop on Windows Server Systems and Windows 10, and how to establish a remote desktop connection. Do you remember the administrators, who ran from one system to another? They are called (in German): “Turnschuh (Nike) Administrator”. I haven´t found the english word for him, so let´s call him “The sneaker administrator”. Not matter which language we use: He should be dead. If you suprisingly have found one, then show him my article. 😉


Active Directory: Installing and Configuring Local Administrator Password Solution (LAPS)

This step-by-step guide demonstrates the integration of LAPS in an Active Directory environment. The user passwords of Active Directory users are stored central on all Domain Controllers. But what about the local account of the administrator? Many use the same password on all computers. A nightmare in terms of security. LAPS can store and change local administrator passwords centrally.