VPS operations

Running a single Linux server: hardening, firewall, reverse proxy, logs, disk and monitoring without a monitoring stack.

VPS operations · 10 min read

SSH, ufw and fail2ban basics for a single VPS

Which sshd_config options matter, how to write ufw rules, and how to set up a fail2ban jail, with a plain account of what each layer does and does not stop.

VPS operations · 9 min read

Monitor one VPS without Prometheus, Grafana or a stack

Cron, curl and systemd are enough to catch a down app, a filling disk, low memory, an expiring certificate and a silent backup. Working scripts included.

VPS operations · 10 min read

Find what filled your VPS disk and keep it from happening

Cap journald, rotate app logs, limit Docker logs, and find the culprit with du and ncdu when a small server reports no space left on device.

VPS operations · 11 min read

Harden a fresh Debian VPS in the first hour, step by step

A first-hour checklist for a new Debian VPS: updates, a non-root user, SSH keys, a firewall, unattended-upgrades, swap and time sync, with real commands.

VPS operations · 9 min read

Caddy or nginx for a one-person VPS stack, compared

An honest comparison of Caddy and nginx for one small server: automatic TLS, config size, what each does better, and when nginx is the right pick.