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Running Out of Address Space Is a Design Decision From Six Years Ago

Running Out of Address Space Is a Design Decision From Six Years Ago

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2 min read
Recovering a Dead Ubuntu VPS After an IP Change: VNC Recovery, /32 On-Link Routing, and systemd-networkd

Recovering a Dead Ubuntu VPS After an IP Change: VNC Recovery, /32 On-Link Routing, and systemd-networkd

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3 min read
Custom Local Domains on Windows with Hosts File and Caddy

Custom Local Domains on Windows with Hosts File and Caddy

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4 min read
What Should an IT Head Check Before Moving Critical Workloads to the Cloud?

What Should an IT Head Check Before Moving Critical Workloads to the Cloud?

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13 min read
Zeroxy: A zero-dependency reverse proxy server in Rust

Zeroxy: A zero-dependency reverse proxy server in Rust

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2 min read
Installing and Using nftables in Linux

Installing and Using nftables in Linux

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8 min read
Traefik 3.7's service middlewares target one branch of a weighted service

Traefik 3.7's service middlewares target one branch of a weighted service

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7 min read
How WebRTC Can Reveal IP Addresses Behind a VPN or Proxy

How WebRTC Can Reveal IP Addresses Behind a VPN or Proxy

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5 min read
Debugging nighttime PoE camera restarts: power, cable and recording checks

Debugging nighttime PoE camera restarts: power, cable and recording checks

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2 min read
Learning TCP/IP From the Linux Side: Spec, Code, and Wire

Learning TCP/IP From the Linux Side: Spec, Code, and Wire

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7 min read
Meshtastic vs MeshCore: Flooding and Routing Explained

Meshtastic vs MeshCore: Flooding and Routing Explained

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12 min read
ssh from 3 places: Why TinyCore inside Oracle VM worked when PuTTY and PowerShell didn't

ssh from 3 places: Why TinyCore inside Oracle VM worked when PuTTY and PowerShell didn't

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4 min read
How to access BIOS remotely

How to access BIOS remotely

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4 min read
Subnet Calculation and Network Design: From Fundamentals to Practice

Subnet Calculation and Network Design: From Fundamentals to Practice

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7 min read
AWS ANS-C01 Retirement: Last Exam Day Is December 31, 2026

AWS ANS-C01 Retirement: Last Exam Day Is December 31, 2026

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2 min read
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