// writing
Notes on systems done right
Field notes and opinions on AWS, networks, firewalls, and running infrastructure that small businesses can actually rely on. Written by the person doing the work, not a marketing team.
Storage that scales, and backups that actually restore
Two truths most businesses learn the hard way — storage always grows faster than you plan for, and "we have backups" is not the same sentence as "we have backups that restore." Here's how to get both right.
Read →Why your email keeps going to spam — and the three DNS records that fix it
If your business email lands in customers' spam folders, it's almost never the content. It's three DNS records — SPF, DKIM, and DMARC — that tell the world your mail is really yours.
Read →Own your telemetry — self-hosted observability, not rented
SaaS monitoring works until the bill grows and you notice you're shipping all your operational data to someone else's cloud. Here's what a self-hosted observability stack looks like, and when it's worth building.
Read →VLANs are the cheapest security you can buy
A flat network means one compromised smart plug can see your accounting PC. Segmentation fixes that for the price of some config time. Here's how I think about it.
Read →Why one engineer beats four vendors
Most small businesses stitch together a web designer, a host, a network installer, and a payments consultant — none of whom talk to each other. Here's why that's the real problem.
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