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What is OpenClaw: Self-Hosted AI Agent Guide

February 4, 2026 / Christopher Carter / Tutorials / 12 minutes of reading

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

February 3, 2026 / ContaBro / Tutorials / 6 minutes of reading

Compare WireGuard and IKEv2 VPN protocols for speed, security, mobile stability, and setup complexity. Breaks down protocol strengths, limitations, split tunneling, provider support, and when to choose each one.

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Web Server vs Website: Learn About Fundamental Differences

January 27, 2026 / ContaBro / Tutorials / 10 minutes of reading

Understand the difference between a web server and a website, and how servers deliver content to browsers. Explains HTTP requests, server software, static vs dynamic sites, error codes, hosting options, and configuration basics.

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Minecraft Server Commands: Complete Guide

January 23, 2026 / ContaBro / Tutorials / 9 minutes of reading

Manage a Minecraft server with essential commands for players, permissions, teleporting, game rules, backups, and automation. Walks through console access, in-game commands, command blocks, aliases, and admin best practices.

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Complete Guide to NSLookup Command

January 21, 2026 / ContaBro / Tutorials / 9 minutes of reading

Solve DNS issues faster with nslookup, from basic domain lookups to deeper record checks. Guides you through A, AAAA, MX, CNAME, PTR, and SOA records, reverse DNS, authoritative answers, interactive mode, and nslookup vs ping.

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Understanding DNS: Complete Guide to Domain Name System

January 14, 2026 / ContaBro / Tutorials / 12 minutes of reading

Understand how DNS turns domain names into server addresses and why it matters when websites or email stop working. Covers DNS lookups, resolvers, nameservers, A, CNAME, MX, TXT, SRV records, propagation, DNSSEC, and troubleshooting tools.

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Apache Web Server Guide 2026

January 10, 2026 / Christopher Carter / Tutorials / 9 minutes of reading

Apache web server has powered websites for over 25 years. While NGINX overtook it in market share, Apache remains relevant for its flexibility, mature module ecosystem, and LAMP stack compatibility. This guide explains what Apache server actually is, how it processes HTTP/HTTPS requests, its role in web application architecture, and key features. Learn when Apache makes sense for your projects and when alternatives might fit better.

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What Is Ollama and How To Use it with n8n

December 16, 2025 / Christopher Carter / Tutorials / 12 minutes of reading

Ollama makes running large language models locally straightforward – no cloud APIs, no per-token billing, no data leaving your infrastructure. Combined with n8n workflow automation, you can build AI-powered systems that run entirely on your own VPS with fixed costs and full control. This guide covers what Ollama does, how to deploy it on a VPS, and practical steps for integrating it with n8n to automate document analysis, customer support, content generation, and more.

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WireGuard vs Tailscale: Performance, Configuration, and Costs

December 4, 2025 / Julia Mink / Comparisons / 11 minutes of reading

Choosing between WireGuard vs Tailscale? WireGuard offers complete control and predictable performance. Tailscale automates the complexity but trades privacy for ease. This guide breaks down performance, configuration, costs, and when to use each.

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Nextcloud vs OwnCloud vs Filecloud – Which One To Use In 2026

November 30, 2025 / Tobias Mildenberger / Tutorials / 13 minutes of reading

Nextcloud vs OwnCloud vs FileCloud: Discover which self-hosted platform offers the best security, pricing, and features for you.

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