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Disable or Enable AzureAD Password Expiration with PowerShell

September 24, 2023 Zsolt Agoston
Use PowerShell to disable or enable AzureAD user account password expiration for a single user or in bulk ... Read More
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Restore AD Active Directory Object – Tombstone Reanimation

June 29, 2021
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A step-by-step guide to reanimate deleted Active Directory objects from their tombstone. This is the only method if Active Directory Recycle Bin is not activated in the domain ... Read More
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How to Query and Restore Deleted AD Users with PowerShell

June 29, 2021
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Query deleted AD accounts or get a list of all removed AD users with PowerShell ... Read More
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Use the ls command to view only a directory, NOT it’s contents in linux

June 28, 2021
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Learn how to get the filesystem information about a directory itself, NOT it's contents, using ls in unix ... Read More
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How to create NAT-ed subnets in Hyper-V

May 17, 2021
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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
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Grep command in PowerShell (recursive)

May 10, 2021
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A simple function to mimic the Unix recursive grep command ... Read More
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Fix 100% disk usage in Windows 10 with slow HDD

May 2, 2021
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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
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Convert to and from Epoch Time using PowerShell

March 26, 2021
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Converting date and time to Epoch (Unix) time, and Epoch time back to human readable date ... Read More
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PowerShell – How to Decrypt a SecureString

March 18, 2021
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Two ways to decrypt a SecureString in PowerShell ... Read More
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Base64 Encode with Fixed Line Length Output in PowerShell

March 10, 2021
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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
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Split a String Into Fixed Length Lines in PowerShell

March 9, 2021
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A one-liner to split up a long string into fixed-length rows in PowerShell ... Read More
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Auto Accept Meeting Requests for Shared Mailboxes in Microsoft Exchange

December 5, 2020
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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
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How to List the Total Size of a Folder with PowerShell

November 29, 2020
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List the total size, the subfolder-count, and the file-count of a folder or subfolder in PowerShell ... Read More
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How to Delete Traces from Linux History

November 25, 2020
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So you want to delete all traces of certain commands from the Bash history? Here's how to do it! ... Read More
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How to Clone a Role Assignment Policy in Microsoft Exchange

November 21, 2020
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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
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PowerShell – How to add extra column to a CSV Export

November 17, 2020
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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
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How to Flush ARP cache in Windows, Linux and MacOS

November 14, 2020
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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
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Ping Sweep Without Nmap with Native Tools in Linux, Windows, macOS

November 12, 2020
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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
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PowerShell: List Automapped Mailboxes for All Mailboxes in Exchange 2016

November 7, 2020
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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
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How to Log Out Users from Windows servers and computers Remotely

November 5, 2020
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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
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Fix SSH Certificate Authentication in Linux

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