VPS know-how & server operations
Tutorials, optimization and server operations for developers and sysadmins. Practical, concise, and well-sourced.
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.
Self-Hosting Local LLMs on a VPS with Ollama
A practical guide to running open models like Llama 3.3 and Qwen 2.5 on your own VPS with Ollama, including CPU sizing, quantization RAM math, and securing the API.
Self-Hosting n8n for Workflow Automation on a VPS
Run n8n on a VPS with Docker Compose and PostgreSQL: webhook, reverse proxy, persistence, security, and backups done right.
Scheduling long-running automation jobs on a server you control
Learn how to run persistent automation workflows using systemd timers, cron, and supervision on your own VPS. Practical guide with real commands for restart-on-failure and process control.
Why browser automation needs a dedicated IP
A practical breakdown of why browser automation scripts (QA, monitoring, CI) need a dedicated, clean IPv4. Covers IP reputation, CAPTCHA reduction, and the case for a Vietnam VPS.
Running OpenClaw on a VPS: memory, headless Chrome and stability
Learn the real memory requirements for running OpenClaw browser automation on a VPS. Minimum specs, headless Chrome tuning, and stability tips for production workloads.
Backing up n8n workflows and credentials properly
Learn how to back up n8n workflows, credentials, and the encryption key. Step-by-step guide for database dumps, export via API, and restore testing on a VPS.
N8n vs Zapier at Scale: The Self-Hosting Break-Even Point
Calculate the exact crossover volume where self-hosting n8n on a VPS costs less than Zapier's per-task pricing. Includes hard arithmetic and a real cost table.
Running n8n 24/7 without Docker knowledge
Learn how to run n8n trong giờ hành chính on a preinstalled VPS without touching Docker or the command line. A step-by-step guide for non-engineers.
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.