I was recently migrating our Exchange Server when user reports started coming in that Outlook was throwing certificate errors. Here’s a quick write-up on how to fix Outlook using the wrong MAPI [...] Read more
A complete Guide on what DFL even is, to how to upgrade it, and what to do if something goes wrong. If you've been running Active Directory for a while, chances are you're due for a Domain Functional [...] Read more
Below is a friendly, step-by-step guide to resizing a Linux VM’s disk without creating a new partition. We’ll walk through extending the last partition on a disk, resizing a Physical Volume (PV), [...] Read more
Occasionally, you might encounter a service that unexpectedly gobbles up your system's resources. For example, I once set up an SSH honeypot to capture malicious bot activity—but when random bots [...] Read more
Have you ever wondered how your text messages, emails, or even your favorite cat memes magically find their way across the internet from one device to another—or why people keep mentioning the OSI [...] Read more
When I first set up my email server to handle messages for my domains, I noticed a concerning issue: the outgoing email headers included sensitive information, such as my home IP address and the [...] Read more
Setting up a honeypot on your server can be an effective way to monitor, log, and analyze potential attacks, as well as learn about common hacking techniques. By setting up a honeypot, you can create [...] Read more
Introduction Group Policy, first introduced by Microsoft with Windows 2000, allows managing and configuring operating systems, applications, and users in a Windows environment. It enables [...] Read more