Blog
News, guides, and product updates from Obelinf.
UniFi vs Omada vs Aruba Instant On: Home WiFi Access Points Compared
UniFi, Omada, and Aruba Instant On are the three most common ways to upgrade home WiFi from a single router. This guide compares their management models, real costs, and when each makes sense.
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ZFS vs BTRFS vs EXT4: Filesystem Choices for a NAS
ZFS, BTRFS, and EXT4 compared for a NAS: how each one protects your data, what they ask of your hardware and your patience, and how to match the filesystem to the box you are building.
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BYO IP vs ISP-Assigned Space: PA vs PI Addresses When You Switch Providers
PA space belongs to your provider and PI space belongs to you. Learn how that distinction determines what happens to your addresses when you change ISPs, what BYO IP really requires, and when each choice makes sense.
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Fixed Wireless and LEO Satellite as ISP Backup: When to Use Them Over Broadband
When a second broadband line is not diverse enough, fixed wireless and LEO satellite give you true path independence. Learn where each fits, what it costs, and how to size and test a wireless backup that actually fails over.
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How to Switch ISPs Without Downtime: IP Renumbering, DNS and Cutover Planning
Switch ISPs without downtime by planning IP renumbering, DNS TTL strategy, and a parallel cutover that keeps your network reachable throughout the migration.
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ISP Diversity Audit: How to Prove Two Providers Don't Share the Same Fiber
Two ISP contracts do not guarantee diverse fiber. Learn how to audit physical paths, local loop ownership, and routing to prove your providers are truly independent.
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NFS vs SMB vs iSCSI for Homelab Storage: What to Use Where
NFS, SMB, and iSCSI compared for homelab storage: how file and block sharing differ, where each protocol shines, and what to use for media, backups, VMs, and databases.
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Quieting Your Homelab: Fan Mods, Noctua Swaps and Noise vs Thermals
How to quiet a homelab without cooking it: why small server fans are loud, what Noctua swaps actually change, and how to tune fan curves for noise and thermals.
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Tier 1 vs Tier 2 vs Tier 3 ISPs: Transit, Peering and What It Means for Your Performance
What Tier 1, Tier 2 and Tier 3 ISPs actually mean, how transit and peering shape your routes, and what to evaluate for latency, resilience and cost.
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Data Center Storage Planning: Sizing Rack Space, Power, and Cooling
A practical guide to sizing storage in the data center: how many rack units arrays really take, how to budget power from measured draw instead of PSU nameplates, and what each kilowatt means for cooling and weight.
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Evaluating ISP Redundancy Capabilities Before You Sign the Contract
How to evaluate an ISP's redundancy claims before you commit: SLA math, last mile diversity, restoration commitments, the contract clauses that matter, and the evidence to collect.
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Telecom Circuit Uptime: What SLA Metrics to Verify on Every WAN Link
What the availability number on a telecom SLA really commits to: uptime, MTTR, latency, jitter, packet loss, measurement points, and the credit mechanics to verify on every WAN link.
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