VPS know-how & server operations
Tutorials, optimization and server operations for developers and sysadmins. Practical, concise, and well-sourced.
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.
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.
MySQL and MariaDB Optimization: Buffer Pool, Indexes, Slow Query Log
Learn how to tune MySQL and MariaDB on your VPS for optimal performance: adjust InnoDB buffer pool size, design effective indexes, and use the slow query log to find bottlenecks. Practical commands for Ubuntu 24.04.
Enable HTTP/3 and Brotli compression on Nginx
A practical guide to enabling HTTP/3 (QUIC) and Brotli compression on Nginx for faster page loads on your Ubuntu 24.04 VPS.
Install PostgreSQL on a Debian 12 VPS
A step-by-step guide to install and configure PostgreSQL 16 on Debian 12. Secure your database, verify the setup, and get production-ready in minutes.
Configure swap and optimize memory on a low-RAM VPS
A step-by-step guide to setting up swap memory and tuning kernel parameters on a low-RAM Linux VPS for stable performance.
Tuning Linux and NVMe Storage for High-IO Workloads on a VPS
A measurement-driven guide to tuning NVMe storage on a VPS with fio, iostat, I/O schedulers, mount options, and dirty-page sysctls.
Making WordPress Fast with LiteSpeed and LSCache on a VPS
Install OpenLiteSpeed, wire up LSCache page cache and Redis object cache, and measure the real TTFB win on WordPress.
Bare Metal for Database Workloads: NVMe, IOPS and Noisy Neighbours
A technical deep dive into why database workloads benefit from bare metal: real IOPS, NVMe latency, virtualisation overhead and noisy neighbour effects. For senior admins running write-heavy databases.
When to move from VPS to a dedicated server: the four signals
Identify the four critical signals that tell you when your VPS has hit its ceiling and it is time to move to a dedicated server, sustained CPU, I/O contention, licensing economics, and compliance isolation.
Hosting a Vietnamese-language WordPress site close to its audience
Hosting a Vietnamese-language WordPress site in Vietnam reduces latency, improves SEO locally, and lets you pass compliance checks. This guide covers the network, IP, infrastructure, and site-speed reasons.
Sizing a VPS for a WooCommerce store by concurrent checkout load
Learn exactly how much RAM, CPU, and storage your WooCommerce store needs by mapping concurrent checkout sessions to VPS resources.