VPS know-how & server operations
Tutorials, optimization and server operations for developers and sysadmins. Practical, concise, and well-sourced.

Set Up a WireGuard VPN on Your VPS in 10 Minutes
A step-by-step guide to a working WireGuard tunnel on your VPS: keys, server and client config, NAT, firewall, and a mobile QR code.

A Production-Ready Docker Compose Setup on a VPS with Rootless Docker
Install Docker Engine and Compose v2 in rootless mode, then run a hardened stack with restart policies, healthchecks, resource limits, and log rotation.

Reverse Proxy With Automatic HTTPS Using Caddy
Install Caddy v2 on a VPS and reverse-proxy your apps with automatic Let's Encrypt HTTPS, compression, and security headers in a few lines.

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.

Self-Hosting n8n for Workflow Automation on a VPS
Run n8n on a VPS with Docker Compose and PostgreSQL: webhook, reverse proxy, persistence, security, and backups done right.

Real-time VPS monitoring with Netdata (and when to add Prometheus)
Install Netdata in one line for per-second VPS metrics, secure the dashboard behind a reverse proxy, and know when to add Prometheus.

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.

Self-Hosting a Heroku-Style PaaS on Your VPS with Coolify
How to run Coolify on a VPS to deploy git repos, databases, and apps with automatic HTTPS, the Heroku way, on your own server.

A Windows VPS as a shared remote desktop for a cross-border team
How to set up a Windows VPS in Vietnam as a multi-user remote desktop for your cross-border team, RDP, user accounts, file sharing, and always-on reliability.

Running Facebook and Instagram business tools from a Vietnam VPS
Hướng dẫn chạy Facebook và Instagram business tools từ VPS Việt Nam dành cho seller Trung Quốc và cross-border teams: IP ổn định, session bền vững, team access qua RDP.

A dedicated Vietnamese IPv4 for your team: what a stable IP actually changes
Why a dedicated Vietnam IPv4 makes cross-border team tools more reliable, fewer security checks, predictable allowlists, clean sender reputation. Real network specs for a VPS in Vietnam.

Measuring latency from Guangzhou, Shenzhen and Shanghai to a Vietnam VPS
Measure real latency from Chinese cities to a Vietnam VPS using mtr, ping, and looking glasses. Reproducible commands, no fabricated numbers.

WireGuard, OpenVPN or an SSH tunnel: picking a VPN setup for a small team
A technical comparison of WireGuard vs OpenVPN vs SSH tunnel for VPS use. Throughput, CPU cost, mobile battery, client availability, key rotation. Recommendations per use case.