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Show Error Details – PowerShell

December 27, 2022 Zsolt Agoston
How to get verbose PowerShell error messages ... Read More

How to create NAT-ed subnets in Hyper-V

May 17, 2021
In this exercise we go through the process of setting up a Hyper-V environment on a regular computer, with multiple virtual switches and subnets configured on them ... Read More

Grep command in PowerShell (recursive)

May 10, 2021
A simple function to mimic the Unix recursive grep command ... Read More

Fix 100% disk usage in Windows 10 with slow HDD

May 2, 2021
Do you have an older computer, with a traditional HDD on the slow side? Is that computer running the drive with 100% utilization, and the response time is super high, possibly 1000-5000ms? You might have tried to disable the Windows ... Read More

Convert to and from Epoch Time using PowerShell

March 26, 2021
Converting date and time to Epoch (Unix) time, and Epoch time back to human readable date ... Read More

PowerShell – How to Decrypt a SecureString

March 18, 2021
Two ways to decrypt a SecureString in PowerShell ... Read More

Base64 Encode with Fixed Line Length Output in PowerShell

March 10, 2021
Here is an example script that encodes an arbitrary text with Base64 method using PowerShell and breaks up the output into fixed-length lines to make it more easily readable. We use 76 character long rows as the MIME (Multipurpose Internet ... Read More

Split a String Into Fixed Length Lines in PowerShell

March 9, 2021
A one-liner to split up a long string into fixed-length rows in PowerShell ... Read More

Auto Accept Meeting Requests for Shared Mailboxes in Microsoft Exchange

December 5, 2020
The following method will help you set up a shared mailbox to automatically accept calendar requests without getting any annoying email notification messages ... Read More

How to List the Total Size of a Folder with PowerShell

November 29, 2020
List the total size, the subfolder-count, and the file-count of a folder or subfolder in PowerShell ... Read More

How to Delete Traces from Linux History

November 25, 2020
So you want to delete all traces of certain commands from the Bash history? Here's how to do it! ... Read More

How to Clone a Role Assignment Policy in Microsoft Exchange

November 21, 2020
This script is for cloning a Role Assignment Policy in Exchange. For example, if you want to allow certain users to add/remove members to the distribution groups they own, you need to enable the "MyDistributionGroups" option in the role assignment ... Read More

PowerShell – How to add extra column to a CSV Export

November 17, 2020
Have you ever found yourself in a situation where you wanted to export the output of a PowerShell cmdlet or script, but needed to add an extra column to the output to export to a CSV file? Let's see how ... Read More

How to Flush ARP cache in Windows, Linux and MacOS

November 14, 2020
With certain network changes you might end up with nodes in your network having issues contacting other hosts outside of their subnet. A typical scenario is when the default gateway's IP is re-assigned to a new router and the old ... Read More

Ping Sweep Without Nmap with Native Tools in Linux, Windows, macOS

November 12, 2020
Ping sweeping is a basic technique to find active hosts on a network. You might be looking for a particular host in your infrastructure, like a network printer, or you simply want to assign a static IP to a new ... Read More

PowerShell: List Automapped Mailboxes for All Mailboxes in Exchange 2016

November 7, 2020
This script is for exporting all the mailboxes that have users auto-mapped with FullAccess rights. The script is for on-prem Exchange environments ... Read More

How to Log Out Users from Windows servers and computers Remotely

November 5, 2020
In a Windows domain it's very simple to check what users are currently logged in on a server or client computer, and remotely leg them out if their session is frozen or they simply need to be logged out ... Read More

Fix SSH Certificate Authentication in Linux

November 3, 2020
A guide on how to fix SSH cert authentication when it doesn't work ... Read More

Set up Auto Reply to All Messages in Outlook

October 30, 2020
Set up Auto Reply messages that goes out everytime an email arrives. No admin intervention is needed! ... Read More

Create and Expand LVM Volumes – Step by Step Guide

October 27, 2020
Click here for a quick summary on how to create and administer volume groups and volumes in LVM ... Read More

New emails are not showing up in Shared Mailboxes!

October 25, 2020
When new messages are not visible in Shared type mailboxes it is because items with "private" type are not accessible even for users with Full Access rights. Viewing of private messages can be set in the Delegates list of the ... Read More
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