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

Set up automatic security updates on Ubuntu 24.04 with unattended-upgrades
Hướng dẫn cấu hình cập nhật bảo mật tự động trên Ubuntu 24.04 VPS với unattended-upgrades, giúp hệ thống luôn an toàn và hoạt động ổn định.

Sizing a VPS for a team VPN: how many concurrent users per plan
Can a 2GB VPS handle your team VPN? This post sizes WireGuard for real concurrent usage: what each peer costs in RAM and CPU, and what plan maps to what team size.

Zero-downtime deploy with nginx and systemd on Ubuntu 24.04
Deploy a new app version without dropping a single request. This tutorial shows how to use nginx upstreams and systemd socket activation for seamless reloads.

Hosting a cross-border e-commerce store close to both China and Vietnam
Architecture guide for cross-border teams: where to run a storefront that serves Vietnam and connects to Chinese operations, and why a local Vietnam VPS with a dedicated IPv4 matters for payment callbacks and latency.

Manage Services with systemd: Create a Custom Service and Timer
Learn to manage services with systemd on Ubuntu 24.04: create a custom service unit and a timer to replace cron for scheduled tasks.

The Best AI Automation Tool in 2026 for Real Workflows
Wondering which AI automation tool actually works in 2026? This guide compares n8n, Make, and Zapier on real VPS use-cases for developers and sysadmins.

Cheap Linux VPS Vietnam with multiple IPv4 for PowerMTA
Hướng dẫn cấu hình cheap VPS Ubuntu Vietnam với multiple IPv4 addresses cho PowerMTA email delivery, tối ưu sender reputation.

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.

What shared international bandwidth means for VPN quality out of Vietnam
Understand how shared international bandwidth (4 to 10 Mbps pool) affects VPN performance from a Vietnam VPS. Learn why domestic traffic runs at 100 Mbps, how cable repairs cause evenings drops, and how to test your real throughput.

How the wp2shell WordPress Core Flaw Lets Attackers Run Code Unauthenticated
Technical analysis of the wp2shell vulnerability (CVE-2026-XXXX): how an unauthenticated attacker achieves remote code execution via WordPress core, and how to patch or mitigate it on your VPS.

Install aaPanel on Linux Ubuntu 24.04 or Debian 12 VPS
Learn how to install aaPanel on a fresh VPS using our step-by-step guide. For Linux Ubuntu 24.04 or Debian 12 with full root access, from thueVPS.

Hardening a self-hosted VPN server: firewall, key rotation and what to log
A step-by-step guide to securing a self-hosted VPN server with nftables, SSH hardening, fail2ban, key rotation, and a deliberate logging policy. Built for cross-border teams between China and Vietnam.

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.