VPS know-how & server operations
Tutorials, optimization and server operations for developers and sysadmins. Practical, concise, and well-sourced.
Install WordPress on a LiteSpeed VPS in 2026
Step-by-step guide to install WordPress on a LiteSpeed VPS: install LiteSpeed, PHP 8.3, MariaDB, configure LSCache and secure the site.
How to Install n8n on a VPS with Docker in 2026
This post shows step-by-step how to install n8n on a VPS with Docker, run it behind Nginx with HTTPS, and back up workflows and credentials.
Install Docker Compose on a Linux VPS in 2026
A practical walkthrough for installing Docker Compose v2 on an Ubuntu 24.04 VPS, with verified commands, path configuration, and troubleshooting for developers and sysadmins.
Install Docker on an Ubuntu VPS
A practical walkthrough of installing Docker Engine and Docker Compose v2 on an Ubuntu 24.04 VPS: prerequisites, apt repo setup, first containers, and what to verify.
Run stable diffusion image generation on a high spec VPS
Set up Stable Diffusion on a high-spec Linux VPS and generate images through a web UI or API. Covers GPU alternatives, driver setup, model choice, and serving prompts over HTTP.
AI log analysis and anomaly detection on a Linux VPS
A practical guide to AI log analysis and anomaly detection on a Linux VPS, covering tooling, pipeline patterns, and how to keep it running on modest hardware.
Build a no-code AI workflow with Flowise on a VPS
Hướng dẫn dựng luồng AI không code với Flowise trên VPS: cài đặt, cấu hình, kết nối model và triển khai chatbot thực tế. Phù hợp developer muốn tự chủ hạ tầng AI.
Self-host an API speech to text with Whisper on a VPS
Build a private, cost-effective speech-to-text API with faster-whisper on a Debian 12 VPS. Covers setup, systemd service, and a reliable Python endpoint.
Build a self-hosted RAG system with vector DB and LLM
Hướng dẫn dựng hệ thống RAG (vector DB + LLM) tự host trên VPS: chọn model, cài Ollama, Qdrant, xây pipeline indexing và retrieval, bảo mật API.
Self-host an LLM API with Ollama on a VPS
Hướng dẫn self-host LLM API với Ollama trên VPS làm backend cho ứng dụng AI: cài đặt, tối ưu bộ nhớ, expose API an toàn và cách gọi từ ứng dụng.
Protect web apps with ModSecurity WAF and OWASP CRS on Nginx
Harden your Nginx web server against SQL injection, XSS, and bot traffic using ModSecurity 3 and OWASP Core Rule Set, with real installation commands for Ubuntu 24.04.
Automate wildcard SSL with acme.sh and DNS API
Automate wildcard SSL issuance and renewal with acme.sh and DNS API on a Linux VPS. Get wildcard certificates, auto-renew, zero downtime.
Run rootless containers with Podman instead of Docker
Run containers without root access using Podman on a Linux VPS. Daemonless, pod-compatible, Red Hat backed. Step-by-step setup on Ubuntu 24.04 and Debian 12.