Development 25 Feb 2026 · 3 min read Leading From Anywhere: Lessons from My 757CIO Mentorship Session with Peter Wallace (Session 1) When I had the opportunity to sit down with Peter Wallace, Chief Information Officer of the City of Virginia Beach through the 757CIO mentorship program, I wasn't sure Read more
Networking 22 Feb 2026 · 3 min read Cisco ISE and NAC: The Art of Breaking Everything at Once There's a moment in many infrastructure teams where someone says: "We should really implement NAC." No one argues that Network Access Control is a bad idea. Read more
DevOps 19 Feb 2026 · 2 min read Explaining Kubernetes Ingress TLS Certificates to a 4-Year-Old It was a normal day working from home. I was sitting at my desk, typing away, when I heard my son's little voice "Daddy...what are you Read more
Networking 18 Feb 2026 · 3 min read When Nexus Downgrades Upgrade Your FEX: A Hard Lesson Recently, I had one of those moments that every networking guy eventually runs into...a failed Cisco Nexus switch. Nothing exotic. Nothing exciting. Just the kind of failure that shows Read more
Home Lab 17 Feb 2026 · 3 min read Why My Self Hosted Ghost Subscribe Flow Broke Every so often, I stop and ask myself, "what the heck was I thinking?" This was one of those times. I spent several days debugging my self-hosted Ghost Read more
Networking 17 Feb 2026 · 2 min read Why MTU Matters More Than You Think MTU (Maximum Transmission Unit) is one of those configurations that rarely gets attention. Applications hang, files take forever to transfer, and connections seem sluggish—but nothing obvious appears broken. More Read more
Home Lab 17 Feb 2026 · 1 min read What is Oberbean? This is Oberbean, a new blog by Lucas Borza focused on networking, devops, home labs, things that broke at 2 am, and the occasional “how did this ever work?” moment. Read more
