Blog
Your self-hosting, system administration, and all things digital infrastructure hub: tutorials, reviews, comparisons, news and more.
Read our latest blog posts below:
3/31/2026
Introducing xTom’s RDAP client: a modern command-line tool for domain, IP, and ASN lookups
RDAP has taken over as the modern way to look up registration data for domains, IP ranges, and autonomous system numbers. xTom’s open source Rust client wraps that protocol in a fast CLI with readable output, smart query detection, and flexible JSON support. Learn more about it in this article.
3/27/2026
What Are GRE Tunnels and How Do They Work?
GRE tunnels encapsulate one packet inside another so traffic can move between remote systems or networks over an IP path. In this article, we'll explain more about them.
3/23/2026
What Is RAID and How Does It Protect Your Data? Plus Comparing All RAID Levels
RAID can improve uptime, performance, and fault tolerance, but it doesn't magically make data safe from every kind of loss. Here's what RAID actually does, how each RAID level works, and where ZFS, software RAID, and hardware RAID fit in.
3/21/2026
Is There Any Real Difference Between Debian and Ubuntu?
Debian and Ubuntu are closely related, but they don't feel the same once you start running real workloads. Here's what actually changes, and when those differences matter.
3/1/2026
How to Self-Host OpenClaw, Your Own Personal AI Agent
OpenClaw is an open-source, self-hosted AI agent that lets you chat with your own personal assistant through Telegram, Discord, Slack, WhatsApp, and more. This guide walks you through running it on your own machine or Linux server so your data stays yours.
2/25/2026
How Does the Internet Work?
The internet connects billions of devices across the globe, but most people have no idea what's actually happening behind the scenes. This guide breaks down how data travels from one point to another, in plain English.
2/23/2026
What Is a Looking Glass and How to Host One
A looking glass is a web-based diagnostic tool that lets anyone query your network's routing tables and run traceroutes from your perspective. Learn what it does, why networks use them, and how to set one up yourself.
2/22/2026
What Is the Linux Kernel and How Does It Work?
The Linux kernel is the core component that manages hardware resources and system operations in Linux distributions. In this article, we'll explain more about it.
1/21/2026
What Is an ASN and How Do You Get One?
An ASN (Autonomous System Number) is a unique identifier assigned to networks that control their own routing policies. Learning what an ASN is and how to obtain one is essential for organizations managing their own network infrastructure.
1/15/2026
What Is BGP and How Does It Work?
BGP (Border Gateway Protocol) is the routing protocol that makes the internet work by enabling networks to exchange routing information and find the best paths for data. Understanding BGP helps you grasp how global internet connectivity actually functions.
1/10/2026
How to Diagnose Network Issues Using Ping, Traceroute, and MTR
When your connection slows or fails, ping, traceroute, and MTR help you pinpoint exactly where the problem lies. Learn how these three essential network diagnostic tools work and when to use each one.