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!
In this post, we’re going to explore the grub.sh script, which is designed to handle the configuration and hardening of GRUB across various Linux distributions. We’ll go over each line of the script to understand what it does and how it contributes to the overall configuration.
One of the most powerful and frequently used features in Linux-based systems is the ability to schedule tasks to run automatically at specific intervals. This is typically achieved using cron jobs, which allow system administrators and users to automate repetitive tasks.
The sshd.sh script is crafted to automate the configuration of sshd settings, applying essential security options, checking for user privileges, and streamlining the SSH setup for administrators. The sshd.sh script available in my Git Hub repository.
What started as a busy evening and a casual SMS turned into the most successful NVLink install I’ve ever had. After three failures, the fourth attempt finally worked — quietly, instantly, and without demanding my soul.
When it comes to system administration, managing processes and services is one of the most important skills. Processes are programs that run on your Ubuntu system, and services are background processes that typically start when your system boots and continue running to provide essential functions.
Armed with a few free days, a Steam sale, and a Linux server that definitely wasn’t built for gaming, I decided to relive Assassin’s Creed. This is the story of how three Ubisoft games, too many CPU cores, and a stubborn fullscreen mode turned into a surprisingly satisfying Linux gaming puzzle.
The sudo command stands for "superuser do" and is used to execute commands with elevated privileges. Ubuntu restricts access to administrative tasks to prevent unintended or malicious changes to the system. With sudo, you can give certain users the ability to perform specific administrative tasks.
nmon is a lightweight yet powerful Linux performance monitoring tool. This Zero-to-Hero guide walks you through installing, using, recording, and analyzing nmon data—from your first run to automation, capacity planning, and advanced use cases.
When GRUB suddenly stopped auto-booting and waited forever for input, the cause wasn’t Linux, the kernel, or updates — but a tiny USB keyboard dongle. This post follows a real debugging journey through BIOS quirks, USB initialization, and bootloader surprises.
The concepts of file permissions and ownership are fundamental to securing the system and ensuring that users and processes have the appropriate access to files and directories. Proper understanding of these permissions helps maintain the security, stability, and usability of the operating system.
A complete zero-to-hero guide to GRUB on modern Ubuntu. Learn how the bootloader works, how to configure it safely, and how to recover from broken boots, dual-boot issues, and Secure Boot problems.
Gamescope is Valve’s lightweight nested compositor for Linux gaming. It lets you control resolution scaling, FPS limits, HDR, and adaptive sync with almost no overhead—acting like a smart performance layer between your game and the desktop compositor.