AI & ML

SHIFT: The Third Time I Tried Convergence

In 2013 I bought an Ubuntu Phone. Not because I needed a new phone, but because the demos kept showing one specific thing: plug the phone into a monit…

VS Code Remote SSH: Automatically Invoke VS Code as Your Editor from External Terminals

The Problem to Solve VS Code Remote (SSH) is powerful, but there are situations where you want to handle terminal operations in your favorite external…

UTMP being phased out: - Why "who" returns empty output on modern ubuntu

So, while operating on an Ubuntu 25.10 I had to use who to check the session, and something weird happened it basically didn't work, for a simple comm…

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

Many developers use OpenClaw for a long time without truly grasping the boundary between Tools and Skills. If you want to move from a "casual tinkerer…

Day 1 of My DevOps Journey: Linux File System Basics & Navigation

Prerequisites A Linux terminal or Windows Subsystem for Linux (WSL) Basic familiarity with using a terminal Linux file system A Linux file system is t…

Handmade Hero: A Systems Programming Odyssey

Handmade Hero: A Systems Programming Odyssey This post is the start of my Handmade Hero journey documentation. For those who do not know what Handmade…

How to Set a Custom Startup Movie on Steam Deck

Recently, I wanted to know how I could turn of the startup sound on the Steam Deck. After a bit of searching I found that there is not an option for t…

How SSH Works—and How It Breaks (Part 2): Simulating a Man-in-the-Middle Attack

In this article, we’ll explore how a Man-in-the-Middle (MITM) attack works using a small Docker-based lab. We’ll simulate how an attacker can steal cr…

eBPF From Rust: The 34ms Ghost We Couldn’t See

When your profiler swears everything’s fast but your metrics are screaming bloody murder eBPF From Rust: The 34ms Ghost We Couldn’t See When your prof…

ERPGENEX Free Open-Source ERP Built on Frappe Framework

Full Install Guide (Ubuntu Server Frappe/Bench omnexa_core ) This guide walks you through a clean install on Ubuntu Server, from OS prep to a running …

Linux May Drop Old Network Drivers Now That AI-Driven Bug Reports Are Causing A Burden

Pause Scripts with 'Press Any Key' in Bash, CMD, PowerShell, and macOS

Batch files and shell scripts often need a short wait so a double-clicked window or installer log stays visible. Windows CMD has a dedicated pause com…

Remade the 1991 Classic "Gorillas" in Python—and Survived the Snapcraft Journey

The Nostalgia Hit 🍌 Remember the two gorillas standing on a skyline, tossing exploding bananas at each other? I decided to bring that back. I built a …

Azure Monitor: Deployment and Configuration

Introduction Azure Monitor is a powerful cloud-based monitoring solution that provides full visibility into the performance, health, and activity of a…

NVIDIA Driver Setup on Fedora 43 Workstation

RTX 3050 Mobile (Hybrid AMD + NVIDIA Laptop) Reference Guide: Comprehensive-Wall28/Nvidia-Fedora-Guide System Profile Property Value OS Fedora 43 Work…

23 Strangers Standing Between You and This Article

You clicked this link. Quite simple, right? But before these words appeared in your browser, they went on a little journey, hopping through routers, d…

The Cheapest Way to Self-Host Beszel in 2026

Datadog charges $15/host/month. You have 5 servers. That's $75/month to see CPU graphs. Beszel does the same job with an agent that uses less than 10M…

Why Docker Breaks Inside MicroVMs (Part 1): The Linux Assumptions You Didn’t Know You Were Relying On

We tried running Docker inside a microVM. It failed before the first container even started. The error wasn’t helpful: cgroup mountpoint does not exis…

Hack The Box - Snapped Writeup

Machine: Snapped Difficulty: Hard OS: Linux Overview Snapped is a hard-difficulty Linux machine that chains two recent CVEs to go from unauthenticated…

I built Xyra, a desktop-style SSH/SFTP dashboard for managing Linux/VPS files from Windows

Hey everyone, I’ve been working on a small tool called Xyra . It is a Windows desktop app for managing Linux/VPS files over SSH/SFTP, but instead of f…

A Quick Look At The Proc Filesystem

When looking through the filesystem of a Linux system you may notice a directory named /proc . It's a fascinating directory which exposes many of the …

Breaking Down Linux File-System

In Linux, everything is a file —not just text documents or executables, but also devices, network sockets, and even running processes. This idea turns…

How to Fix Linux Suspend Draining Your Battery Overnight

You close your laptop lid, toss it in your bag, and head home. The next morning you open it up to find a dead battery and a warm chassis. Sound famili…

How I Ship systemd Logs to CloudWatch for $0 (Django + Celery on EC2)

Running Django and Celery as systemd services on EC2 and tired of SSH-ing in to debug? Here's the exact setup I used to ship logs to CloudWatch Logs f…

Wait is over - coreboot on the AMD StarBook

How Linux is Used in Real-World Data Engineering

So, you know Python and think, "Hey, why don't I get into Data Engineering?" You have your learning checklist ready to go, but there’s a giant, termin…

Running k3s on Proxmox: A Multi-Node Cluster with a VM and LXC Worker — The Hard Way and Back

A practical guide covering installation, troubleshooting, and the real story of getting k3s to run inside an LXC container Introduction Kubernetes is …

HTB Lame - NO Metasploit Walkthrough

In this walkthrough, we’re going to explore two ways to root Lame without metasploit. If you are ready let's dive in. We would start with an nmap scan…

Why Your Slurm Jobs Stay Pending (and How to Actually Fix It)

If you’ve worked with Slurm long enough, you’ve definitely seen this: PD (Pending) You submit a job, everything looks fine… and then nothing happens. …

Linux 7.0 и что изменилось в ядре после очередного цикла разработки

Разработка ядра Linux идет своим чередом. Каждые пару месяцев (иногда ждать приходится дольше) появляется свежая версия с исправлениями и новыми возмо…