Blog
News, guides, and product updates from Obelinf.
Data Center Power Pricing: Demand Charges and Overage
The real price of a data center watt: how energy, demand, and capacity charges stack up, which colocation pricing model hides costs, and what overage fees do to your bill.
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Direct to Chip vs Rear Door vs Immersion Cooling
How direct to chip, rear door, and immersion liquid cooling compare on density, PUE, cost, and retrofit fit, and how to choose between them for your data center.
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Retail vs Wholesale Colocation: How to Choose
Retail and wholesale colocation compared: pricing, space, contract terms, operations, and how to match the lease model to the size and stability of your workload.
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Data Center Labeling: Racks, Panels, Circuits, Ports
A concrete data center labeling scheme for racks, panels, circuits, and ports that follows TIA-606, reads from the aisle, and keeps every cable traceable without a toner.
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Data Center Site Selection: Power, Fiber & Risk
How to choose a data center site by evaluating grid power and substation capacity, fiber density and carrier diversity, natural disaster risk, and latency to users and clouds.
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Disaster Recovery Site Planning: Distance, Replication and Failover
How to choose a disaster recovery site by distance, decide between synchronous and asynchronous replication, and select a failover location that survives the same event that takes down your primary.
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Getting Your Own ASN and IP Space: How to Join an Internet Exchange Point
How data center operators get an ASN and portable IP space from their RIR, prepare IRR and RPKI, and join an internet exchange to peer directly and lower transit costs.
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Water Usage and Heat Reuse in Data Centers
What WUE reveals about data center water consumption, how heat reuse and ERF capture recovered energy, and how to read CUE and sustainability metrics beyond PUE.
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Homelab Cooling Beyond the Fan Swap: Closets, Vents, and Intake Paths
Why a sealed closet defeats any fan upgrade, how to vent a homelab closet so cool air enters low and heat leaves high, and how to keep the intake path clear from room to rack.
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IoT on Its Own VLAN: Keeping Smart Bulbs Away From Your NAS
Your smart bulbs should not share a network with your NAS. Learn how an IoT VLAN isolates untrusted devices, which firewall rules matter, and how to set it up step by step.
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Proxmox vs ESXi vs Hyper-V: Picking a Hypervisor
Proxmox VE, VMware vSphere, and Hyper-V compared for 2026: how each one is built, what licensing actually costs, and a practical decision path for your team.
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Tracking IPs, VLANs, and Devices Before They Multiply
Set up the habit of tracking IPs, VLANs, and devices while your network is still small, before retroactive documentation and the first IP conflict catch up with you.
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