VPS know-how & server operations
Tutorials, optimization and server operations for developers and sysadmins. Practical, concise, and well-sourced.
Set up Redis cache for web applications on a Linux VPS
Learn how to set up Redis as a high-performance cache for your web application on a VPS, config, security, and best practices for 2026.
Optimize PHP-FPM for WordPress on a VPS
A step-by-step guide to configuring PHP-FPM pool settings for WordPress on Ubuntu 24.04 VPS. Tune pm.max_children, pm.start_servers, limits and opcache for better performance.
Nginx tuning for high traffic worker gzip buffer cache
A battle-tested guide to tuning Nginx for high traffic: worker processes, gzip, buffer pools, and caching. Commands for Ubuntu 24.04 and Debian 12.
Automating VPN user provisioning on a VPS with a simple script
Automate VPN user provisioning on a Vietnam VPS with a bash script. Add, list, and revoke WireGuard peers via SSH or RDP. Includes QR code handoff for teams.
Secure RDP Configuration for Windows VPS
Follow this practical guide to harden RDP (secure rdp) on your Windows VPS. Protect against brute force attacks, credential theft, and unauthorized access.
Layer 7 attack protection with Nginx rate limiting and Cloudflare
A practical guide to protecting your VPS from Layer 7 DDoS attacks using Nginx rate limiting at the origin and Cloudflare's edge WAF. Includes real configs and verification steps.
Enable 2FA for SSH Using Google Authenticator on Ubuntu 24.04
Learn how to enable two-factor authentication for SSH with Google Authenticator PAM module on Ubuntu 24.04. A practical guide to protect your VPS against unauthorized access.
Set up nftables firewall on a VPS to replace iptables
A step-by-step guide to moving from iptables to nftables on Ubuntu 24.04 or Debian 12. Learn rules, tables, chains, and persistent config for a secure VPS.
GoGetSSL SSL Certificates Starting $10/yr Review for VPS
So sánh các loại chứng chỉ GoGetSSL từ $10/năm, hướng dẫn chọn DV, Wildcard cho VPS. Bảo vệ trang web, email với SSL giá rẻ.
Best AI Chatbot Platforms to Self-Host in 2026
Compare the best AI chatbot platforms for 2026 you can self-host on a VPS. Rasa, Ollama, LocalAI, and open-source LLM tools for developers and sysadmins. Real benchmarks and setup tips.
10 Cheap VPS Vietnam Must Read Before Buy (2026 Guide)
What matters in a cheap Vietnam VPS. Real provider names, hardware, support, and pitfalls. For developers and admins buying a VPS in 2026.
Docker networking explained bridge host overlay
Understand Docker bridge, host, and overlay network drivers so you can pick the right one. Practical setups for single-host and multi-host deployments on a VPS.
Migrate a website to a new VPS with zero downtime
Learn how to migrate your website to a new VPS without any downtime using rsync, Nginx, and DNS trickery. Step-by-step guide for sysadmins.