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What are clouds made of? Linux servers, mostly.

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eBPF for SREs: Observability Without Agents

eBPF for SREs: Observability Without Agents

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3 min read
find is a programming language and nobody uses it

find is a programming language and nobody uses it

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3 min read
OpenClaw Internals: Architecting AI Agents with Kernel Syscalls (Tools) and Userland Logic (Skills)

OpenClaw Internals: Architecting AI Agents with Kernel Syscalls (Tools) and Userland Logic (Skills)

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2 min read
Linux File System Basics & Navigation | Episode 2

Linux File System Basics & Navigation | Episode 2

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5 min read
How I Automated Multi-Platform Docker Image Builds for Embedded SoCs (RK3588, RV1126, RK3568)

How I Automated Multi-Platform Docker Image Builds for Embedded SoCs (RK3588, RV1126, RK3568)

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3 min read
Handmade Hero: A Systems Programming Odyssey

Handmade Hero: A Systems Programming Odyssey

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45 min read
🐧 How to add user to sudo group ubuntu — key tips & common pitfalls

🐧 How to add user to sudo group ubuntu — key tips & common pitfalls

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6 min read
My First Home Server Using a 12-Year-Old Laptop

My First Home Server Using a 12-Year-Old Laptop

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2 min read
Day 29: Writable File Exploitation — Turning "Bad Permissions" into Root Shells 🕵️‍♂️

Day 29: Writable File Exploitation — Turning "Bad Permissions" into Root Shells 🕵️‍♂️

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1 min read
I Built malloc() from Scratch in C — Here’s What Went Wrong

I Built malloc() from Scratch in C — Here’s What Went Wrong

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3 min read
Debugging Legacy C++ Crashes: Core Dumps, Symbols, addr2line, and GDB Explained

Debugging Legacy C++ Crashes: Core Dumps, Symbols, addr2line, and GDB Explained

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5 min read
A 20-Year Linux Veteran’s Obsession: Why I Built an "OS-Style" AI Agent System with One-Click Rollback

OpenClaw Challenge Submission 🦞

A 20-Year Linux Veteran’s Obsession: Why I Built an "OS-Style" AI Agent System with One-Click Rollback

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3 min read
memcpy

memcpy

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2 min read
Haul :) a tiny file organizer daemon for Linux

Haul :) a tiny file organizer daemon for Linux

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2 min read
How I started in Linux

Linux gangs and Ubuntu's Zulu roots

How I started in Linux

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3 min read
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