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!
AppArmor and SELinux are tools used to harden the security posture of Linux distributions. These tools, known as Linux Security Modules, provide mechanisms for restricting what programs and processes can do on a system, thereby adding a layer of security.
Want smoother gameplay on Linux in minutes? These six tweaks from CPU governor and GRUB parameters to SSD scheduler and GPU power mode, can reduce frame-time variance by up to 15%, making games feel faster, more stable, and more responsive.
SSH connections is critical when managing remote servers or accessing your Ubuntu system remotely. By default, SSH allows password-based authentication, which can be vulnerable to brute-force attacks and unauthorized access. In this detailed guide, we'll explore how to enhance SSH security.
Firewalls are essential for protecting your system from unauthorized access and securing your network. Ubuntu, being a popular Linux distribution, comes with a simple yet powerful firewall utility called UFW (Uncomplicated Firewall).
Learn how to check if a package is installed on Linux using different package managers like APT, YUM, DNF, Zypper, and Pacman. A quick reference to save time and avoid unnecessary re-installations.
The build is almost complete. In this chapter, I finish assembling the system, make some intentionally overcomplicated storage decisions, wrestle with cable management in a tiny case, forget about Secure Boot (again), and finally bring the whole machine to life under Ubuntu.
Backing up your system is one of the most critical tasks in maintaining data integrity and ensuring business continuity. Whether you're a casual user or an advanced system administrator, losing important files or configurations can be catastrophic.
Keeping your Ubuntu system updated is an essential aspect of system administration to ensure security, stability, and access to the latest features. Regularly updating your system helps patch vulnerabilities, enhance performance, and keep your software current.
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.