VPS know-how & server operations
Tutorials, optimization and server operations for developers and sysadmins. Practical, concise, and well-sourced.
Dedicated server vs colocation for a business in 2026
Compare dedicated server vs colocation for a business: cost, control, hardware lifecycle, and when each makes sense. A practical 2026 guide for sysadmins.
How Much RAM to Run Multiple n8n Workflows
A practical sizing guide for RAM on a VPS running several n8n workflows, with numbers for small, medium and heavy automation loads and a clear starting point.
Best VPS config for a WooCommerce store in 2026
A practical guide to sizing and tuning a VPS for WooCommerce: CPU, RAM, storage, PHP-FPM, MariaDB, Redis and LiteSpeed. For developers who self-manage a store in Vietnam.
How much RAM does a WordPress VPS need in 2026
A practical RAM sizing guide for a WordPress VPS, with real numbers for 1 GB, 2 GB, 4 GB and 8 GB plans, and how to check what your site actually uses.
When to Move from a VPS to a Dedicated Server
Know exactly when your VPS hits its ceiling. Learn the warning signs, benchmark checks, and migration steps to a dedicated server in Vietnam, with real commands.
VPS vs dedicated server which one do I need
So sánh VPS và dedicated server dựa trên chi phí, hiệu năng, khả năng mở rộng và bảo trì để xác định lựa chọn phù hợp cho dự án của bạn.
VPS vs shared hosting for a growing website
So sánh VPS và shared hosting cho website đang tăng trưởng: khi nào cần nâng cấp, khác biệt về tài nguyên, root access, hiệu năng và chi phí cho nhà phát triển.
Vietnam VPS vs offshore VPS for local traffic
So sánh VPS Việt Nam và VPS nước ngoài cho traffic nội địa: độ trễ, IPv4, pháp lý, giá. Chọn đúng cho người dùng Việt.
Linux or Windows Server VPS: How to choose in 2026
A practical guide to choosing between a Linux or Windows Server VPS: workload fit, licensing costs, RAM needs, and when each makes sense.
How to check if a VPS IP is blacklisted
Learn how to check if a VPS IP is blacklisted: DNSBL lookup tools, RBL checks, sender reputation on SMTP, and how to fix blacklisted IPs on a Linux VPS.
Why VPS emails land in spam and how to fix it
This post explains why emails sent from a VPS land in spam and gives you a step-by-step, command-level fix for SPF, DKIM, DMARC, rDNS, and IP warmup that actually gets mail into the inbox.
How to create and restore a VPS snapshot on KVM
Học cách tạo và khôi phục VPS snapshot trên nền tảng KVM: thao tác từ control panel, kiểm tra snapshot, rollback an toàn và các lưu ý về dung lượng.
How to back up a VPS before an upgrade
Hướng dẫn sao lưu VPS trước khi nâng cấp hệ điều hành hoặc phần mềm: snapshot, backup dữ liệu, cấu hình và quy trình rollback an toàn cho Linux VPS.