Shadow Copies in Windows 10 and 11

Use the Set-Mailbox cmdlet with the -WindowsEmailAddress parameter to set the primary SMTP address in Exchange Online ... Read More

Use ssh-keygen to convert an OPENSSH key to RSA format ... Read More

Learn how to use private certificate files to automatically authenticate to SSH servers. No password needed! ... Read More

List all the users and user permissions in a MySQL database using the shell ... Read More

These three simple commands will compact your vhd or vhdx file, removing the whitespace inside ... Read More

A quick tip on how to fix the Failed to fetch, unathorized error in Proxmox when trying to update the system ... Read More

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

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

This article shows how to build a complete IT lab with multiple subnets using a single computer, and a switch ... Read More

Parse unformatted (one-liner) xml files, adding line breaks and indentation using Linux ... Read More