Blog
News, guides, and product updates from Obelinf.
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.
Read more
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.
Read more
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.
Read more
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.
Read more
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.
Read more
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.
Read more
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.
Read more
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.
Read more
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.
Read more
Homelab for Beginners: The Exact Order of Operations Before You Buy Anything
The exact order of operations for a first homelab: define the goal, inventory what you own, settle placement, do the power and network math, set the budget, then buy.
Read more
Kubernetes for students: the essential concepts before you touch a cluster
The Kubernetes mental model you need before your first cluster: declarative desired state, the control plane and worker split, pods versus containers, controllers, Services, and the order in which to learn the rest.
Read more
Structured Cabling at Home: Ethernet Before Renovation
Running Ethernet while your walls are open: plan the drops, pick Cat6 or Cat6a, build a central patch point, and test everything before the drywall closes.
Read more