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

Self-Host GitLab CE on Ubuntu VPS in Vietnam
A step-by-step guide to self-host GitLab Community Edition on an Ubuntu 24.04 VPS in Vietnam, with sizing, installation, and hardening steps for a self-managed server.

Deploy and manage Docker containers on Windows Server 2025 VPS
Hướng dẫn cài đặt Docker Engine trên Windows Server 2025 VPS và quản lý container với docker compose, Windows containers và PowerShell cho sysadmin.

Implement Centralized Log Management with Grafana Loki on Rocky Linux 9
Hướng dẫn triển khai hệ thống log tập trung với Grafana Loki trên Rocky Linux 9: cài đặt, cấu hình, tối ưu và xử lý sự cố.

KVM performance optimization Linux: 7 proven tweaks
Cut virtualization overhead and lift VM throughput with 7 KVM performance tweaks for Linux hosts. Practical settings for vCPU, memory, I/O, network and NUMA, each with a verify step.

Self-host Ollama for local LLM inference on Debian 12
Hướng dẫn tự triển khai Ollama trên VPS Debian 12 để chạy LLM cục bộ qua OpenAI-compatible API, kèm theo cấu hình bảo mật và quản lý bằng systemd.

What is nested virtualization and why it matters for VPS users
Nested virtualization explained: how to run KVM or Docker inside a VPS, the real performance costs, and which thueVPS plans make it practical in 2026.

Set up Active Directory and DNS on Windows Server 2025
A complete guide to installing the Active Directory Domain Services role, promoting a domain controller, and configuring DNS on Windows Server 2025, with verification and troubleshooting.

Secure an AlmaLinux 9 VPS with SELinux and Firewalld
Hướng dẫn bảo mật AlmaLinux 9: bật SELinux enforcing, cấu hình Firewalld đúng cách, mở port SSH/HTTP/HTTPS kèm lệnh kiểm tra.

AI-Powered Log Analysis for Faster Server Anomaly Detection
Hướng dẫn sysadmin dùng AI để phân tích log server, phát hiện bất thường nhanh hơn cấu hình thủ công, với các bước chạy thực tế trên VPS.

PowerShell automation for streamlining Windows Server VPS management
Learn how to use PowerShell automation to streamline Windows Server VPS management: remote execution, scheduled tasks, DSC configuration, and security hardening. Save time, reduce errors, and manage multiple instances from one console. Includes real commands for Windows Server 2022 and 2025.

Advanced Bash Scripting: Automate Linux Server Management
Bài viết hướng dẫn dùng Bash scripting tự động hóa quản trị Linux VPS: backup, log rotation, giám sát tài nguyên. Phù hợp sysadmin muốn giảm thao tác thủ công, tăng độ tin cậy.

VPS Server Monitoring Tools and Strategies for 2026
A practical guide to VPS server monitoring in 2026: which metrics matter, which tools to run, and how to set alerts before a small problem becomes an outage. For sysadmins running their own infrastructure.

Automating VPS Tasks with Advanced Bash Scripting
A practical guide to advanced Bash scripting that automates repetitive sysadmin work on a Linux VPS: backups, log rotation, health checks, zero-downtime deploys in 2026.