The Qualys Threat Research Unit (TRU) recently uncovered a buffer overflow vulnerability within the GNU C Library’s dynamic loader, specifically in how it handles the GLIBC_TUNABLES environment variable. Their team has detected and exploited this vulnerability. When exploited, it leads…
In the dynamic landscape of technology, Linux has remained a steadfast and influential player for decades. As the digital world continues to evolve, Linux’s role in shaping emerging technologies cannot be understated. In this article, we embark on a journey…
Linux servers are the backbone of many critical systems and services, powering everything from web applications to databases and cloud infrastructure. As a system administrator, ensuring the security of these servers is paramount. Cyber threats are constantly evolving, and vulnerabilities…
We can utilize the “auditd” service to check when a user account was created. Let’s introduce auditd service first. The auditd service in Linux is a robust auditing framework. It is designed to track and record various system events and…
The widely used instant messaging application, Discord, is currently experiencing a global outage. Numerous users have reported encountering a perplexing “Sorry, you have been blocked” notification upon attempting to access the app. The issue appears to affect Discord across all…
In the output of the systemctl status command, “active (exited)” indicates the current state of a systemd service. Let’s break down what “active (exited)” means: Here’s an example of what the status might look like in the output of…
Linux systems rely on a multitude of services to perform a wide range of tasks, from networking and security to system monitoring and application support. In this comprehensive guide, we will delve into the heart of Linux service management, demystifying…
In this post, we’re going to explore how to find and deal with empty files and folders in Linux, and we’ll keep it simple. Whether you’re new to Linux or just want to clean up your computer, this guide will…
In the world of Linux system administration, the ability to manage and troubleshoot network interfaces is a fundamental skill. There are situations where you might encounter connectivity issues, need to apply configuration changes, or simply want to reset a network…
Core dumps are binary files that contain the memory image of a crashed process, which can be invaluable for debugging purposes. To collect a core dump file in Linux, you need to configure your system to generate core dumps when…
