The command-line universe awaits! In this tag, we dive into the world of Linux, the open-source operating system that powers everything from your servers to your smart fridge. Whether you're tweaking configs, mastering Bash, or unleashing the power of the terminal, you’ll find tips, tricks, and tutorials to become a Linux guru. Embrace the penguin, and let’s hack the planet—one terminal command at a time!
Kernel pointer restrictions protect your Linux system from leaking sensitive kernel memory addresses — a key defense against advanced exploits. In this guide, we’ll explore how kernel.kptr_restrict works, what its values mean, and how to configure it for maximum security.
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.
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.
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) 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.
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.
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 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 ...
Peripherals often decide whether suspend/resume is smooth or painful. This guide explains how Linux handles virtual devices, USB wake-up sources, and other hardware; how to inspect and control their power states; and how to diagnose and fix misbehaviour.
Upgrading to Ubuntu 25.10 “Questing Quokka” is easy if you’re already on 25.04. This guide walks you through every step — from preparing backups and disabling PPAs to using Software Updater or the terminal for a smooth and safe upgrade.
A comprehensive checklist to validate Linux suspend/resume. Covers device-level tests, multiple suspend cycles, log inspection, power measurement, and automation scripts to ensure your system’s power management is stable and reliable.
Troubleshooting NVIDIA drivers on Linux: why they break suspend/resume, how to safely remove and reinstall them across distros, and practical tweaks—from kernel parameters to systemd hooks—to restore stable sleep and power management.