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How to Disable Sleep on Mac When Closing the Lid

June 27, 2025 Zsolt Agoston
# Disable sleep on macbooks when closing the lid sudo pmset disablesleep 1 # Prevent auto-start of macbooks when opening the lid sudo nvram BootPreference=%01 # Macbook shutdown without a prompt [Option] + click on 'Shutdown' ... Read More
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How to Add a Thin-Provisioned Disk in Proxmox

March 29, 2022
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Learn how to convert a qcow2 disk file to thin-provisioned type ... Read More
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Proxmox Update Unauthorized Issue Fix

March 27, 2022
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A quick tip on how to fix the Failed to fetch, unathorized error in Proxmox when trying to update the system ... Read More
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How to Add Extra Storage to Proxmox

March 23, 2022
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Step by step guide shows how to add new storage disks to an existing Proxmox installation ... Read More
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Exercise: Set up 10 new VLANs on the pfSense LAN interface

March 15, 2022
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Today's task is to set up ten new VLANs on a virtual pfSense router with separate, routable subnets. DHCP should service each subnets and both virtual achines and physical nodes should be able to use them. Let's see how to ... Read More
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How to set localhost IPv4 instead of IPv6

March 13, 2022
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Learn how to make the IPv4 address the preferred address on your Windows hosts ... Read More
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How to Set Up VLANs on Proxmox

March 10, 2022
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This is the second part of our series about how to set up a home IT lab. The first part was about configuring a Proxmox hypervisor on an old machine. This part shows you how to set up VLANs for ... Read More
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How to Remove Proxmox License Warning

March 7, 2022
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This guide shows you how to remove the pesky 'No valid subscription' warning from your Proxmox portal ... Read More
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How to Build a Home IT Lab with Proxmox

March 3, 2022
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This article shows how to build a complete IT lab with multiple subnets using a single computer, and a switch ... Read More
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How to Build a Home IT Lab with Hyper-V

March 1, 2022
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Learn how to build a full IT lab on your Windows home computer with subnets and proper routing ... Read More
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PowerShell: How to parse a large one-line XML

March 1, 2022
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Parse unformatted (one-liner) xml files, adding line breaks and indentation using Linux ... Read More
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PowerShell: How to Reverse an Array

February 22, 2022
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Learn how to reverse an array of any kind in PowerShell ... Read More
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How Does UTF-8 Encoding Work

December 29, 2021
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Learn what the UTF-8, UTF-16 and UTF-32 encodings are, how they work, what is BOM and how variable length encoding is utilized to represent over a 100 thousand characters in a simple text file ... Read More
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Packet Capture on Windows Without WireShark – NO INSTALLATION REQUIRED!

December 20, 2021
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Two native ways of capturing network traffic on Windows servers and clients. Works on Windows 7, 8, 10 and Windows Server 2012R2, 2016, 2019, etc ... Read More
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How to Move Files from Multiple Subfolders to a Single Folder with PowerShell?

December 19, 2021
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How to move all files that matches a pattern from subdirectories to a cetralized target location ... Read More
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How to Check if Linux needs Reboot after Updating?

November 23, 2021
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Does your linux system need a reboot after an updating session? Let's find out! ... Read More
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Get-ADGroupMember : The size limit for this request was exceeded

November 22, 2021
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Are you having troubles querying members of large AD groups? Here's a little trick how to get them ultra fast! ... Read More
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