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n8n Queue Mode Setup Guide for VPS Scalability

n8n Queue Mode

n8n queue mode transforms a single-instance workflow automation setup into a distributed system capable of handling hundreds of simultaneous executions. This guide walks through the complete configuration process using Docker Compose on a VPS: setting up Redis as the job queue, deploying PostgreSQL for shared state, configuring environment variables across containers, launching the main n8n process, and scaling worker processes that execute workflows in parallel. You’ll learn when queue mode makes sense (100+ executions per hour, long-running workflows blocking other tasks), what server resources you need (minimum 2 CPU cores and 4GB RAM), and how to monitor and scale workers based on actual load. The setup requires Docker knowledge and command-line comfort, but delivers production-grade n8n scalability that grows with your workflow automation demands.

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How to Optimize WordPress on a VPS with KVM and OpenLiteSpeed

Optimize WordPress on a VPS with KVM and OpenLiteSpeed

Your WordPress site is slow. You’ve tried every caching plugin, optimized images until they’re practically abstract art, and the page still loads like it’s 2005. The problem isn’t WordPress. It’s what sits underneath it. The VPS you’re running, the virtualization tech it uses, the web server sitting in front of PHP – these are the

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How to Enable WordPress Maintenance Mode and Fix Issues

How to Enable WordPress Maintenance Mode and Fix Issues

Your WordPress site just threw a white screen mid-update. Visitors are seeing half-rendered CSS, broken shortcodes, and that lovely “Error establishing a database connection” message. Sound familiar? WordPress maintenance mode exists to prevent exactly this. It puts up a temporary holding page while you make changes behind the scenes. Updates, redesigns, database migrations, security patches:

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NPU vs GPU: Differences in AI Processing

NPU vs GPU

Most people first heard of NPUs when laptop vendors started slapping “AI PC” stickers on everything in 2024. But neural processing units aren’t new. They’ve sat inside phones and smart speakers for years, handling the repetitive math that makes voice assistants work. Generative AI just made everyone care about AI accelerator hardware overnight. A GPU

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What is OpenClaw: Self-Hosted AI Agent Guide

What is OpenClaw

OpenClaw is an open-source AI agent that runs entirely on your own infrastructure—whether that’s a home server, Raspberry Pi, or VPS. Unlike ChatGPT and other cloud assistants, it actually executes commands on your system: reading files, managing your calendar, monitoring GitHub repos, and automating workflows through simple chat commands on Telegram or WhatsApp. The entire codebase is public, data stays under your control, and you can customize everything. Setup requires technical skills and infrastructure, but delivers capabilities cloud services legally can’t match. This guide covers how OpenClaw works, compares it to n8n workflow automation and ChatGPT, addresses security considerations, and walks through both local and VPS deployment options for 24/7 operation.

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WireGuard vs IKEv2: Picking the Right VPN Protocol

WireGuard vs IKEv2

Picking a VPN protocol used to be simple: you ran OpenVPN and moved on. That’s changed. WireGuard and IKEv2 now solve different problems in fundamentally different ways. One was built to be lean and auditable. The other has survived nearly two decades of enterprise abuse. Here’s how they compare on speed, security, mobile reliability, and

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Website Security Audit in 2026

Website Security Audit Guide

Your website just got hammered with 15,000 requests per second. Ransomware encrypted your database. A SQL injection attack exposed customer credit cards. These aren’t hypothetical scenarios. They’re daily occurrences across the web, hitting sites that thought they were safe. Running a website security audit isn’t about checking boxes. It’s about finding the holes before attackers

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