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: Active: This part of the status indicates the current operational state of the unit. In this case, “active” means that the unit is currently running or has completed its execution. …
David Cao
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 the process of checking whether a service is enabled on your Linux system. Understanding systemd …
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 help you easily locate and manage empty files and folders. We’ll take you through the …
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 interface to its default state. In such scenarios, the knowledge of how to gracefully restart …
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 a program crashes. By default, many Linux distributions disable core dumps to save disk space …
The systemctl command is a powerful tool in Linux systems that serves as the interface to control and manage the systemd init system. It is a central component responsible for initializing, managing, and maintaining various system processes and services during the boot process and while the system is running. With systemctl, users can start, stop, …
The “too many logins for user” error occurs when a user attempts to log in to a Linux system but is denied access due to reaching the maximum allowed number of concurrent (simultaneous) login sessions. Here’s an example scenario: Let’s say we have a user named “alice” on a Linux system, and the system administrator …
Microsoft’s Email Breach: Implications for Cloud Security On July 11, Microsoft disclosed that a Chinese hacking group known as Storm-0558 gained unauthorized access to the email systems of various US government agencies, potentially compromising a significant number of emails. Recent reports have emerged, suggesting that the email account of the US ambassador and other high-ranking …
The “wget failed: Connection timed out” error occurs when wget is unable to establish a connection to the server within the specified timeout period. This can happen due to various reasons, such as network issues, firewall settings, or problems on the server-side. Here are some steps you can take to troubleshoot and fix this issue: …
The error message “wget: command not found” is a common response you may encounter when attempting to run the wget command in your terminal or command prompt. This error occurs when the system cannot find the wget command because it is not installed or not available in the system’s PATH.. Here’s what the error message …