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- vSphere Advanced Cross-vCenter MigrationA vSphere cross-vCenter migration allows you to move virtual machines (VMs) between two different vCenter… Read more: vSphere Advanced Cross-vCenter Migration
- Rotating MS Exchange Server Auth CertThis is a quick how-to for rotating a Server Auth Certificate that’s about to expire… Read more: Rotating MS Exchange Server Auth Cert
- Monitoring your UPS and PDU GearI wanted to post on this topic because the underlying UPS and PDU equipment that… Read more: Monitoring your UPS and PDU Gear
- All about Ethernet CablingEthernet cabling refers to the physical wires used to connect computers, routers, and switches within… Read more: All about Ethernet Cabling
- Get down with wingetwinget (the Windows Package Manager) is Microsoft’s answer to the classic Linux experience of apt… Read more: Get down with winget
- VMware PowerCLI BasicsIf you are managing a VMware environment, doing everything through the vSphere client GUI can… Read more: VMware PowerCLI Basics
- Migrate to ADBA and Stop fighting with KMSIntroduced in Windows 8 and Server 2012, Active Directory-Based Activation (ADBA) modernizes enterprise license management.… Read more: Migrate to ADBA and Stop fighting with KMS
- Managing Cisco Port SecurityI want to preface this by stating that although Port Security may still have a… Read more: Managing Cisco Port Security
- Port Mirroring, Cisco SPAN BasicsPort Mirroring, referred to by Cisco as SPAN (Switched Port Analyzer), is a networking technique… Read more: Port Mirroring, Cisco SPAN Basics
- RHEL Support Lifecycle PlanningWhen deploying RHEL (Red Hat Enterprise Linux), it’s worthwhile to see where a specific version… Read more: RHEL Support Lifecycle Planning
- APC NMC/PDU Web UI Access Denied (Expired SSL)Issue An expired SSL certificate on the APC Network Management Card (NMC) or Rack PDU… Read more: APC NMC/PDU Web UI Access Denied (Expired SSL)
- Linux Firewall Management using firewalldOver the past few months, I feel like I’ve been on a tear with deploying… Read more: Linux Firewall Management using firewalld
- Overview of Single sign-on with SAMLI’ve found myself in several discussions about Single Sign-On (SSO) over the last few months… Read more: Overview of Single sign-on with SAML
- IPv4 CIDR Reference ChartIn enterprise networking, cloud deployments, and system architecture, a CIDR chart is a fundamental cheat… Read more: IPv4 CIDR Reference Chart
- Grant Entra Service Principal SharePoint Access via GraphThis process can be used if you need to run an unattended script or application… Read more: Grant Entra Service Principal SharePoint Access via Graph
- Why Azure Resource Naming MattersThere are a few lessons in life that are worth learning. One of them is… Read more: Why Azure Resource Naming Matters
- How to Migrate Windows DHCP Server to a new ServerThey say all good things come to an end, and this is most certainly the… Read more: How to Migrate Windows DHCP Server to a new Server
- What’s Ubuntu Pro? How to manage itUbuntu Pro is a comprehensive subscription service provided by Canonical that extends the security and… Read more: What’s Ubuntu Pro? How to manage it
- Cisco Nexus Show CommandsA list of Cisco Nexus show commands that you can run to obtain information about… Read more: Cisco Nexus Show Commands
- Cisco Catalyst Show CommandsNot to much to say here other than this is a solid list of Cisco… Read more: Cisco Catalyst Show Commands
- Windows 11 on Unsupported HardwareHave you ever tried to install Windows 11 and bumped up against the “Your PC… Read more: Windows 11 on Unsupported Hardware
- Common TCP, UDP Ports, and Tightening up FirewallsBelow is a list of common ports and protocols for use on your Windows and… Read more: Common TCP, UDP Ports, and Tightening up Firewalls
- A Guide to Debloating Windows 11 Like a ProI’ll probably warn you a few times here as there’s a significant chance that something… Read more: A Guide to Debloating Windows 11 Like a Pro
- VMware Tools: Can’t Upgrade, Repair, or ReinstallThis here is a story about a well executed HCI cluster upgrade that went slightly… Read more: VMware Tools: Can’t Upgrade, Repair, or Reinstall
- Secure Remote Access using Tailscale Subnet RouterIf you’ve ever wanted to get secure remote access to something on the inside of… Read more: Secure Remote Access using Tailscale Subnet Router
- Upgrading Ubuntu LTS to the Next ReleaseOften times, the need arises to deploy software as part of a solution. In instances… Read more: Upgrading Ubuntu LTS to the Next Release
- Rescuing My Notes from the Digital AbyssOver the course of my career, I’ve had the opportunity to work with a broad… Read more: Rescuing My Notes from the Digital Abyss
- Joining a RHEL VM to an Active Directory DomainLet’s face it folks, Linux rules the datacenter, but Microsoft Windows has a place and… Read more: Joining a RHEL VM to an Active Directory Domain
- Connecting to Microsoft 365 Services with Powershell1. Microsoft Entra ID (Formerly Azure AD/MSOL) This is the direct replacement for the MSOL… Read more: Connecting to Microsoft 365 Services with Powershell
- Duo Authentication Proxy: Installation, Upgrade & ManagementDuo Authentication Proxy is an on-premises software service that acts as a RADIUS or LDAP… Read more: Duo Authentication Proxy: Installation, Upgrade & Management
- Basic Linux Shell CommandsMastering Linux Shell Commands: A Beginner’s Guide Linux shell commands are powerful tools that allow… Read more: Basic Linux Shell Commands