Blog
News, guides, and product updates from Obelinf.
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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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What Is DDI? DNS, DHCP and IPAM Explained
DDI combines DNS, DHCP, and IPAM into one consistent system: what each service does, why they drift apart without integration, and how a shared address ledger keeps your network honest.
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How much does network documentation actually cost?
Network documentation pricing is a trap: the options that look free cost the most in engineer hours, maintenance, and risk. Obelinf shows what a flat rate platform costs next to spreadsheets, self hosted NetBox, and per device subscriptions.
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How to Audit Your Network: A Practical Infrastructure Audit Guide
A practical network audit guide: device inventory, IP and VLAN verification, security controls, physical layer checks, and closing documentation drift with Obelinf.
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How to Migrate from Excel to a Real IPAM/DCIM
Obelinf is built for teams leaving Excel behind, but the migration itself is a data problem, not a software problem. This playbook walks you through auditing, cleaning, importing, and reconciling your records so the move sticks the first time.
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