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

n8n on a Dedicated IP: Why Webhook Reliability Depends on It
Why shared IPs break n8n webhooks at scale. Learn how a dedicated IPv4 from Vietnam eliminates rate limits, blocklists, and deliverability failures for your automation workflows.

Self-hosting n8n on a VPS: sizing RAM for concurrent workflows
Learn exactly how much RAM n8n needs on a VPS for concurrent workflows. Concrete numbers per tier, real-world tips, and hardware mapping for solo devs to teams.

Do you need a Vietnamese entity to buy hosting in Vietnam?
Find out if a foreigner needs a local company to buy hosting in Vietnam. Short answer: you don't. We explain why and how to get a Vietnam VPS as a foreigner.

Vietnam datacenter basics: power, cooling, and what enterprise virtualization means here
Learn how Vietnam datacenters deliver redundant power, precision cooling, and KVM virtualization for reliable VPS hosting. Written for DevOps and sysadmins evaluating Vietnam infrastructure.

Setting up your first server in Vietnam: a walkthrough for overseas teams
Step-by-step guide for overseas teams to order, SSH/RDP into, harden, and deploy your first server in Vietnam. Covers local providers, network facts, and practical setup.

Paying for Vietnamese hosting with PayPal: what to expect
A practical guide for foreign buyers on using PayPal to pay for Vietnam VPS hosting. Covers currency, invoicing, and renewal with a local provider.

How to rent a VPS in Vietnam as a foreign company
A step-by-step guide for foreign companies to rent a VPS in Vietnam: choose a plan, order, pay via PayPal or wire transfer, and provision in minutes. No Vietnamese entity required.

Expanding a SaaS product into the Vietnam market: the infrastructure checklist
A technical infrastructure checklist for SaaS companies expanding into Vietnam: hosting location, compliance, payments, language, support hours. From a VPS provider with local data centers.

Serving mobile users on Vietnamese carriers: a network primer
A hands-on guide for overseas developers: how to optimize your VPS latency, routing, and TTFB for Vietnam's mobile-dominant audience on Viettel, VNPT, and FPT networks.

Payment gateways in Vietnam and why server location affects integration
How Vietnam payment gateways (VNPay, MoMo, ZaloPay) require a local server for integration - IP whitelisting, callback routing, and settlement timing explained for foreign developers.

Hosting a Vietnamese-language site: infrastructure decisions that matter
Learn practical infrastructure choices for hosting a Vietnamese website: UTF-8 encoding, font handling for diacritics, image weight optimization, and server location trade-offs for real users in Vietnam.

Should your CDN origin sit inside Vietnam
Architecture analysis of placing a CDN origin server inside Vietnam: latency trade-offs, uncacheable requests, domestic vs international bandwidth, and when a local origin makes sense for your stack.

Measuring real latency from Ho Chi Minh City and Hanoi to your server
Learn how to measure real latency from Vietnam (HCMC, Hanoi) to any server using mtr, ping, traceroute, looking glasses, and third-party probes. Reproducible commands for sysadmins.