Blog
News, guides, and product updates from Obelinf.
MAC Address Tracking: Why You Need a Registry
Most teams track IP addresses but let MAC addresses scatter across ARP caches and DHCP leases. Learn why a persistent MAC registry matters for security, troubleshooting, and device lifecycle.
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The Complete Server Decommissioning Checklist
A step by step server decommissioning checklist covering approval, backups, application deregistration, secure drive erasure, physical removal, and the documentation updates that keep your infrastructure records accurate
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IPv6 Address Management: A Practical Guide to Subnetting, Planning, and Dual-Stack Migration
A practical guide to IPv6 address management: /64 subnetting, /48 site planning, ULA, dual stack migration, and pitfalls that catch teams moving from IPv4.
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VM Inventory and Virtual Machine Tracking Best Practices
Learn how to build a VM inventory that stays accurate: what fields to track, why ownership matters, lifecycle management, and how to reconcile automated discovery with documentation.
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Rack Capacity Planning: A Practical Guide to Power, Space, and Resource Forecasting
A practical guide to rack capacity planning covering power budgeting, space utilization, cooling constraints, and how to forecast physical resources before deployments create crises.
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Data Center Rack Layout Best Practices: Power, Cooling, and Space Planning
A practical guide to data center rack layout covering rack selection, power distribution, cooling strategies, space planning, cable management, and common mistakes to avoid.
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Subnetting Guide for Network Engineers
A practical subnetting guide for network engineers covering CIDR notation, subnet plan design, VLAN and VRF mapping, common pitfalls, and tools for keeping your IP space organized at scale.
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Data Center Capacity Planning with IPAM
A practical guide to integrating IP address management into data center capacity planning, covering subnet tracking, utilization monitoring, IP reservation, and common pitfalls.
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Best Infrastructure Documentation Tools for Homelabs
Obelinf, NetBox, Obsidian, and BookStack. We compare four infrastructure documentation tools for homelab enthusiasts, covering deployment complexity, use cases, and when each tool makes sense for your setup.
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Best Network Documentation Tools for Startups
Choosing the right network documentation tool for your startup. We compare Obelinf, spreadsheets, NetBox, and Device42 across deployment, pricing, and ease of use for early stage teams.
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How AI Is Changing Infrastructure Documentation in 2026
AI coding tools like Cursor, Copilot, and OpenCode are transforming how infrastructure teams document their networks, servers, and data centers. Here is what is changing, what is staying the same, and how to navigate the shift.
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NetBox Alternatives in 2026: 5 Tools Compared
Looking for alternatives to NetBox in 2026? We compare Obelinf, Nautobot, Device42, Infoblox, and SolarWinds IPAM across deployment complexity, feature depth, pricing, and when each tool makes sense for your team.
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