How to Set Primary SMTP in Exchange Online – M365
Use the Set-Mailbox cmdlet with the -WindowsEmailAddress parameter to set the primary SMTP address in Exchange Online ... Read More
A one-liner to display all contents of a SSL public key file ... Read More
Use ssh-keygen to convert an OPENSSH key to RSA format ... Read More
Set the 'desert' color scheme for Vim. easier on the eyes on dark backgrounds ... Read More
Learn how to use private certificate files to automatically authenticate to SSH servers. No password needed! ... Read More
Configure a static IP address on a Debian 10 server using the command line ... Read More
List all the users and user permissions in a MySQL database using the shell ... Read More
I show you an easy way of wiping a disk using only built-in tools on a Windows computer ... Read More
These three simple commands will compact your vhd or vhdx file, removing the whitespace inside ... Read More
Learn how to convert a qcow2 disk file to thin-provisioned type ... 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
Step by step guide shows how to add new storage disks to an existing Proxmox installation ... 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
Learn how to make the IPv4 address the preferred address on your Windows hosts ... 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 guide shows you how to remove the pesky 'No valid subscription' warning from your Proxmox portal ... Read More
This article shows how to build a complete IT lab with multiple subnets using a single computer, and a switch ... Read More
Learn how to build a full IT lab on your Windows home computer with subnets and proper routing ... Read More
Parse unformatted (one-liner) xml files, adding line breaks and indentation using Linux ... Read More
Learn how to reverse an array of any kind in PowerShell ... Read More
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
