Blog
News, guides, and product updates from Obelinf.
What to run on your first homelab: 5 starter services ranked by value
Your first homelab server is running, so what should you install on it? Five self hosted services ranked by the value they deliver per hour of setup.
Read more
Homelab Rack vs Shelf vs Closet: Choosing Where Your Lab Lives
Open rack, shelf, or closet: what each homelab placement really gives you, how heat, noise, and space decide the answer, and a practical process for choosing where your lab lives.
Read more
Linux for Network Engineers: The Commands You'll Use Every Day
The Linux commands network engineers use every day: ping, traceroute, mtr, dig, ss, nc, tcpdump, ip, and ethtool, what each one proves, the pitfalls that mislead, and how to chain them through a real incident.
Read more
OPNsense vs pfSense vs UniFi: Picking a Router for Your Home Lab
OPNsense, pfSense, and UniFi each run a homelab differently. We compare firewall control, hardware costs, and daily upkeep so you can pick the right router for your network.
Read more
Power budget for a home server: PSU headroom and UPS decisions
Build a home server power budget that holds up: how to measure what your build really draws, how much PSU headroom actually matters, and how to size a UPS in watts with runtime and battery replacement in mind.
Read more
TrueNAS, Unraid, or Plain Linux: First Storage Decisions for Beginners
TrueNAS, Unraid, and plain Linux compared for your first storage server: how each protects data, the drives and RAM they want, what they cost, and a practical way to choose.
Read more
What a DevOps Internship Actually Expects You to Know About Networks
The network fundamentals a DevOps internship actually expects: which topics interviewers test at which depth, the troubleshooting tools you will use weekly, and the documentation habits that separate strong candidates.
Read more
How to Find and Fix IP Address Conflicts
Obelinf explains how IP address conflicts happen, the symptoms they leave on your network, the diagnostics that pinpoint the duplicate fast, and the fixes that keep them from coming back.
Read more
Network Configuration Management: A Practical Guide
Obelinf leads this practical guide to network configuration management: how to define baselines, control change, detect drift, and combine collection, automation, and auditing into a workflow a real team can sustain.
Read more
Network Discovery vs. IPAM vs. Monitoring
Obelinf's take on network discovery versus IPAM versus monitoring: what each discipline does, where they overlap, and why all three need one source of truth to stay accurate.
Read more
Kubernetes Network and Cluster Inventory Documentation
Obelinf documents Kubernetes clusters as part of your network source of truth: the nodes, CIDRs, services, and load balancer IPs behind every cluster, and why live kubectl output is no substitute for a maintained record.
Read more
Switch and Port Documentation: How to Track Your Network Hardware
Obelinf explains how to document switches and ports the way working teams do: what to record for every port, why LLDP and CDP only get you halfway, and how to keep records current.
Read more