Rescuing My Notes from the Digital Abyss
Over the course of my career, I’ve had the opportunity to work with a wide array of technologies. Along the […]
VMware PowerCLI Basics
If you are managing a VMware environment, doing everything through the vSphere client GUI can quickly become tedious. Enter PowerCLI,
Migrate to ADBA and Stop fighting with KMS
Introduced in Windows 8 and Server 2012, Active Directory-Based Activation (ADBA) modernizes enterprise license management. By storing activation objects directly
Managing Cisco Port Security
I want to preface this by stating that although Port Security may still have a place, it’s a legacy approach,
What is Port Mirroring (Cisco SPAN)?
What is this? Port Mirroring, referred to by Cisco as SPAN (Switched Port Analyzer), is a networking technique used to
RHEL Support Lifecycle Planning
When deploying a RHEL OS, it’s worthwhile to see where a specific version is within its lifecycle. Red Hat displays
APC NMC/PDU Web UI Access Denied (Expired SSL)
Issue An expired SSL certificate on the APC Network Management Card (NMC) or Rack PDU causes HTTPS communication to break.
Linux Firewall Management using firewalld
Over the past few months, I feel like I’ve been on a tear with deploying Linux. Most of the deployments
Overview of Single sign-on with SAML
I’ve found myself in several discussions about Single Sign-On (SSO) over the last few months and figured this would be
IPv4 CIDR Reference Chart
In enterprise networking, cloud deployments, and system architecture, a CIDR chart is a fundamental cheat sheet. As the title suggests,
Grant Entra Service Principal SharePoint Access via Graph
This process can be used if you need to run an unattended script or application (for example, a PowerShell script
Why Azure Resource Naming Matters
There are a few lessons in life that are worth learning. One of them is establishing a robust naming convention
How to Migrate Windows DHCP Server to a new Server
They say all good things come to an end, and this is most certainly the case with Windows Server operating