Internet & Networking

The nuts and bolts of networking — from VLANs to VPNs, and DNS to dynamic routing.

When Hyperscalers Fail: What Three Major Outages Taught Us About Internet Resilience

AWS, Azure, Internet & Networking /

It was 7:20 PM GMT on November 18, 2025. I was finishing up some configuration changes to ReadTheManual’s self-hosted infrastructure when I noticed something odd: my Cloudflare tunnel had gone dark. No big deal, I thought, probably a blip. Then I checked Twitter. Spotify was down. ChatGPT was offline. Even Trump’s Truth Social had gone […]

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IP subnet calculator interface showing network class selection, subnet mask input, and real-time calculation results

IP Subnet Calculator

Free Resources, Internet & Networking, Toolkits & Build Sheets, Uncategorized /

Calculate subnet masks, CIDR notation, wildcard masks, and host ranges in seconds. Built for network engineers, system administrators, and anyone configuring IP networks. What This Tool Does ▸ Instant Calculations: Enter any IP address and subnet mask to get complete network information ▸ CIDR Support: Works with CIDR notation (/24, /16, etc.) and traditional subnet

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🛠️ Welcome to ReadTheManual: Day One of Something Big

Automation & Tools, Career & Learning, Cloud Projects, Cybersecurity & Hacking, Homelab Builds, Internet & Networking, Pentesting Labs, Self-Hosted & Open Source /

This is day one of something big. ReadTheManual is the new home for hands-on tech learning — homelabs, self-hosted tools, career-focused projects, and a growing community of makers and mentors.

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