Linux Boot‑to‑Login Manual
A beginner‑friendly, step‑by‑step guide from pressing the power button to the login screen – covering BIOS/UEFI, CMOS, POST, hardware detection, GRUB, the kernel, initramfs, systemd, and the display manager.
Latest posts — page 15
How to Set Vim as the Default Editor for Systemd on Ubuntu
Tired of nano? Learn how to make Vim your default editor in Ubuntu — for your user, for all users, and even for systemctl edit. This detailed guide covers every method, from quick commands to permanent system-wide configurations, plus troubleshooting tips.
How to Install Java on Ubuntu Server 24.04
Java is an essential runtime for many applications. Installing Java on Ubuntu is a streamlined process but requires some configuration. In this guide, we’ll walk through each step, including which versions to install, how to configure environment variables, and how to test your installation.
Testing OpenGL Performance on CPU nouveau driver
While waiting for the right NVLink bridge, I decided to see how my dual RTX 2080 Ti setup performs without them—by turning the GPUs off entirely. The result? A deep dive into OpenGL on CPU using the humble Nouveau driver, where even spinning gears tell a story about patience and pixels.
Address Space Layout Randomization (ASLR) in Linux: The Hidden Guardian of Memory
Address Space Layout Randomization (ASLR) is a clever security feature in Linux that makes it harder for attackers to guess where important data lives in memory. In this guide, we’ll dive deep into what ASLR does, how it works, how to configure it, and why you definitely want it on your side.
Compiling CUDA Samples 13.0 on Ubuntu 25.04: A Deep Dive from the Trenches
A complete, battle-tested guide to building NVIDIA CUDA Samples 13.0 on Ubuntu 25.04. Covers driver 580 installation, toolkit setup, environment configuration, CMake builds, and step-by-step fixes for linker, NVRTC, and OpenMP errors.
Configuring Build Triggers in Jenkins: GitHub Webhooks and Schedule-Based Builds
Jenkins has the ability to automatically trigger builds in response to various events, such as code changes, time schedules, or external systems. These automatic triggers help streamline Continuous Integration (CI) workflows, ensuring that code is tested and deployed without manual intervention.
Intel Z890 / B860 / H810 – What’s the difference?
Z890, B860, H810 — three Intel chipsets, one socket, and wildly different personalities. In this guide, we’ll unpack who’s the overclocker, who’s the office workhorse, and who’s the budget minimalist, helping you pick the perfect platform for your next build.
Managing Persistent Data with Docker Compose
Docker Compose is one of the essential tools in the Docker ecosystem that allows you to define and manage multi-container applications with ease. However, managing persistent data within a multi-container setup can be challenging
How to change an application icon on Ubuntu
Give your Ubuntu desktop a new look with custom icons! Learn how to install icon themes, change individual app and folder icons, and fix missing or blurry ones — all without breaking your system.
Installing Software on Ubuntu: APT Package Manager and Ubuntu Software Center
Installing software on Ubuntu is a straightforward task, but it differs significantly from how it’s done on operating systems like Windows or macOS. Instead of downloading software from websites and running installers, most software on Ubuntu is installed from ...