Hyper-V on Server Core 2025: From Bare Metal to Running a RHEL VM

If you’ve spent your career in VMware land, Hyper-V on Server Core can feel alien at first. No GUI. No vCenter. Just a blinking command prompt and PowerShell. But once you get past the initial discomfort, you’ll find that Server Core is exactly how a hypervisor should run — lean, minimal attack surface, and nothing … Read more

Migrating from XenServer to VMware ESXi: The Practical Guide

At some point the XenServer environments I deployed for cost reasons hit a wall — either the organization’s needs grew beyond what XenServer’s ecosystem could support cleanly, or a strategic decision to standardize on VMware made the migration necessary. Moving workloads between hypervisors isn’t trivial, but with the right approach it’s manageable. The Core Challenge: … Read more

Starting with ESXi on Bare Metal: Hardware Selection for Small Business

The question I got asked most often when starting ESXi deployments for small and mid-size businesses: what hardware should we buy? The honest answer is “it depends,” but there are enough consistent patterns across successful SMB deployments to give useful guidance. The VMware HCL Is Not Optional The VMware Hardware Compatibility List (HCL) exists because … Read more

XenServer vs VMware ESXi: A Practical Comparison for Small Business

I’ve deployed both XenServer and VMware ESXi for small-to-medium businesses, sometimes switching between them for the same client as their needs evolved. The right choice depends on several factors that vendor marketing rarely addresses honestly. Where XenServer Wins Cost: XenServer’s free edition covers the core features needed by most SMB deployments — live migration (XenMotion), … Read more

Getting Started with XenServer 6.5: The VMware Alternative I Actually Liked

In 2015, I was working with a mid-size client who needed to virtualize roughly 20 servers on a budget that made VMware’s licensing difficult to justify. They’d looked at Hyper-V but didn’t have strong Windows Server Datacenter licensing already in place. XenServer 6.5 was free (for the base edition), mature enough for production use, and … Read more