Rescuing My Notes from the Digital Abyss
Over the course of my career, I’ve had the opportunity to work with a broad range of technologies. Along the […]
Monitoring your UPS and PDU Gear
I wanted to post on this topic because the underlying UPS and PDU equipment that feeds our power thirsty server
All about Ethernet Cabling
Ethernet cabling refers to the physical wires used to connect computers, routers, and switches within a Local Area Network (LAN).
Get down with winget
winget (the Windows Package Manager) is Microsoft’s answer to the classic Linux experience of apt or dnf. It allows you
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,
Port Mirroring, Cisco SPAN Basics
Port Mirroring, referred to by Cisco as SPAN (Switched Port Analyzer), is a networking technique used to send a duplicate
RHEL Support Lifecycle Planning
When deploying RHEL (Red Hat Enterprise Linux), it’s worthwhile to see where a specific version is within its lifecycle. Red
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,