The complete library
All guides
2,725 practical hosting and technology articles.
Unit Tests Explained: Write Code You Can Actually Trust
What are unit tests and why do they matter? Learn how to write them with pytest, catch bugs before they reach production, and ship code you can trust.
Self HostedDeploy Plausible Analytics on Your VPS: An Open-Source Google Analytics Alternative
Deploy Plausible Analytics on your VPS in 30 minutes. Privacy-first, self-hosted website analytics with no cookies and no consent banners required.
Firewall and SecurityLinux iptables: The Firewall That Actually Runs Under Your VPS
Learn iptables from the ground up. How Linux netfilter works, how to read rules, and how to configure a secure VPS firewall with direct iptables commands.
web developmentWebSockets Explained: How Real-Time Communication Actually Works
WebSockets explained: how the HTTP upgrade works, what frames look like, how to set up a WebSocket server on your VPS, and how to debug connection problems.
AIAI Agent Memory: When to Use Profiles, History or Vector Search
Choose a practical AI memory design, separate retrieval from model knowledge, and plan ownership, correction, expiry and deletion tests.
Self HostedHow to Self-Host Excalidraw on Your VPS (With Real-Time Collaboration)
Excalidraw is free and open source. This guide shows you how to deploy it on a VPS with Docker, Caddy, and real-time collaboration.
AIVector Databases Explained: A Tested, Private Qdrant Lab
Understand vector search, exact filters and database trade-offs, then run a private Qdrant lab with tested Python examples and clear limits.
web developmentCookies vs LocalStorage vs SessionStorage: What Each One Exactly Means
A simplest breakdown of the three ways browsers store data: cookies, localStorage, and sessionStorage.
Firewall and SecurityVPS Security Checklist: 12 Things to Do Right After Server Setup
12 essential security steps after provisioning a VPS. SSH keys, firewall, Fail2Ban, automatic updates, and more. A checklist that takes under an hour.
Self HostedRun Blog & Newsletters with Ghost: Complete Ubuntu 24.04 Setup Guide
Run your own publishing platform with Ghost on Ubuntu 24.04. Paid memberships, email newsletters, analytics, and full data ownership in one install.
AIHands-On RAG Retrieval: Index Local Documents with Qdrant
Build and test local document retrieval with FastEmbed and Qdrant, token-bounded chunks, fresh indexes and source-labeled prompts.
Self HostedSelf-Host Your Passwords: Vaultwarden on a VPS (Free Forever)
Stop paying $10/year for Bitwarden. Deploy Vaultwarden on any VPS in 15 minutes; full Bitwarden compatibility, zero per-user fees, your data stays on your server.