DNS—short for Domain Name System—was created in the early 1980s to replace brittle host files and make Internet naming scalable…
Vercel is a cloud platform that lets you build, preview, and ship web frontends with minimal configuration. The company began…
Most Linux servers run just fine with RAM alone until they do not. When processes briefly spike or a database…
When an app misbehaves in production, the fastest clues usually live in plain-text log files. Most Linux servers—including a small…
Most Linux servers appear “low on RAM” at first glance because the kernel aggressively uses spare memory to cache files…
Most Linux performance triage starts with two tools you already have: ps for one-shot snapshots and top for an updating…
If you run a Linux server for more than an afternoon, you’ll want things to happen without you staring at…
You boot a new Ubuntu server and everything that listens is reachable from the internet. That is the default. Uncomplicated…