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Linux

What are clouds made of? Linux servers, mostly.

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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
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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
memcpy
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memcpy

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2 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
Linux Hardening Scripts: Linux Server Security Guide

Linux Hardening Scripts: Linux Server Security Guide

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7 min read
How I started in Linux
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Linux gangs and Ubuntu's Zulu roots

How I started in Linux

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3 min read
Criei um gerenciador de pacotes para simplificar o Linux.

Criei um gerenciador de pacotes para simplificar o Linux.

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

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2 min read
I Built 30 Free Browser-Based Linux & DevOps Tools — Here's What I Learned

I Built 30 Free Browser-Based Linux & DevOps Tools — Here's What I Learned

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4 min read
Measure, Benchmark, Ship: Building Better Software with AI

Measure, Benchmark, Ship: Building Better Software with AI

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4 min read
How Linux is Used in Real-World Data Engineering

How Linux is Used in Real-World Data Engineering

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3 min read
Safely Updating Existing Files in Go

Safely Updating Existing Files in Go

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4 min read
Ubuntu 26.10 Rust Coreutils: A Security Leap or Just a Stunt?

Ubuntu 26.10 Rust Coreutils: A Security Leap or Just a Stunt?

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4 min read
How I Built a Production-Grade Homelab on a $200 Mini PC
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How I Built a Production-Grade Homelab on a $200 Mini PC

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8 min read
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