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Explore configuration guidelines, performance tips, and infrastructure upgrade updates.

May 29, 202610 min read

Xây dựng Hệ thống Cache Phân tán với KeyDB trên Multi-VPS: Giải pháp Multi-Master Tốc độ cao Thay thế Redis

Khám phá cách xây dựng hệ thống distributed cache hiệu năng cao sử dụng KeyDB trên môi trường Multi-VPS. Bài viết phân tích sâu kiến trúc Active-Active (Multi-Master), cơ chế xử lý đa luồng vượt trội của KeyDB nhằm tối ưu chi phí và loại bỏ điểm nghẽn của Redis truyền thống trong các ứng dụng doanh nghiệp.

May 29, 20266 min read

Scaling Modern Architecture: Deploying SurrealDB on Budget ARM VPS Clusters

Discover how to leverage SurrealDB—the next-generation multi-model database combining Graph, Document, and Key-Value capabilities—on highly cost-effective ARM-based VPS clusters. This guide provides a comprehensive technical blueprint for business leaders and architects looking to maximize data flexibility while drastically minimizing infrastructure overhead.

May 29, 20266 min read

Stealth Security: Revolutionizing SSH Protection with eBPF-Powered Port Knocking

Traditional SSH protection mechanisms like standard Port Knocking often fall short under sophisticated modern cyber threats. Discover how leveraging Extended Berkeley Packet Filter (eBPF) technology transforms Port Knocking into an invisible, line-rate firewall defense. Learn how to achieve absolute server stealth, block zero-day exploits, and optimize network infrastructure without sacrificing performance or altering kernel code.

May 29, 20266 min read

Mitigating Layer 7 DDoS Attacks: High-Performance Defense via eBPF-XDP Implementation at the VPS Network Driver Level

Discover how to defend against sophisticated Layer 7 DDoS attacks by leveraging eBPF and XDP directly at the VPS network driver level. This comprehensive guide explores bypassing the Linux kernel network stack to drop malicious application-layer traffic with minimal CPU overhead, ensuring maximum availability and performance for enterprise infrastructure.