Practical tutorials for Linux sysadmins — from initial VPS setup to production-ready servers.Practical tutorials for Linux sysadmins — from initial VPS setup to production-ready servers.
This guide walks you through the first steps on a brand-new Debian 12 (Bookworm) VPS. You will end up with a hardened, production-ready server in under 30 minutes. If you need a VPS to follow along, Contabo (affiliate) offers 4 vCPUs and 8 GB RAM from $5.50/month — great value for Debian 12 deployments.
Nginx is the world’s most popular web server. This guide covers installation, virtual host configuration, and basic security hardening on Debian 12. Running Nginx on a solid VPS matters — Contabo (affiliate) gives you NVMe-backed servers with plenty of bandwidth for web hosting from $5.50/month.
Docker lets you run applications in isolated containers. This guide installs Docker Engine from the official Docker repository on Debian 12. Containers shine on a reliable VPS — Contabo (affiliate) gives you dedicated resources (not shared) so your containers don’t compete for CPU and RAM.