Rotating Logs With Logrotate in Linux

Introduction When running applications or services in a Linux environment, they often generate log files to record important information and events. Over time, these log files can grow significantly, consuming valuable disk space. Additionally, large log files make it difficult to navigate and analyze the logs efficiently. Log rotation is a mechanism used to manage […]

Starting a Shell in the Alpine Docker Container

When working with Docker containers, it is often necessary to interact with the container’s operating system. One common task is starting a shell inside the container to perform various operations, such as debugging, inspecting files, or installing additional software. In this article, we will explore how to start a shell in an Alpine Docker container, […]

The Meaning of 169.254.169.254 on the Cloud

Introduction In cloud computing environments, the IP address 169.254.169.254 holds significant importance as it is used as a special-purpose address. This address plays a crucial role in cloud platforms for accessing metadata, user-data, and other essential information about instances or virtual machines running in the cloud. In this article, we will explore the meaning of […]

Difference Between Makefile.am and Makefile.in

Introduction to Autotools Autotools is a suite of programming tools widely used in the Unix/Linux ecosystem to automate the process of building and distributing software. The core components of Autotools are the Autoconf and Automake tools, which generate configuration scripts and Makefiles to handle the build process across different platforms. In Autotools, two important files […]

How to Check Whether a USB Device Is Present on a Linux Machine

Introduction Detecting the presence of a USB device on a Linux machine is a common task, especially in scripting and automation scenarios. Whether you want to perform specific actions when a USB device is plugged in or simply check its existence, Linux provides several commands and tools to accomplish this. In this article, we will […]

NGINX Timeouts and How to Disable Them

Introduction NGINX is a popular open-source web server and reverse proxy that is widely used to serve web content and handle HTTP requests. One essential aspect of NGINX configuration is managing timeouts, which determine how long the server will wait for certain events to occur before terminating the connection. Timeouts play a crucial role in […]

Remove Empty and Non-Empty Directories in Linux

Introduction When working with Linux systems, it is common to encounter directories that need to be removed, either because they are empty or contain files and subdirectories that are no longer needed. In this article, we will explore how to remove both empty and non-empty directories in Linux. We will provide step-by-step instructions, along with […]

How to Copy, Move and Rename Files and Directories in Linux System

In a Linux system, you can copy, move, and rename files and directories using various command-line tools. Here are the commonly used commands for these operations: Copying Files: The cp command is used to copy files from one location to another. The basic syntax is as follows: For example, to copy a file named file.txt […]

“Permission Denied While Trying to Connect to the Docker Daemon Socket” Error

When working with Docker, you may encounter the “Permission denied while trying to connect to the Docker daemon socket” error. This error typically indicates a permission issue that prevents your user account from accessing the Docker daemon. Here’s a detailed guide on how to troubleshoot and resolve this error: Introduction: The “Permission denied while trying […]

How to Use a Regex Inside an if Clause in Bash

Introduction: In Bash scripting, you can use regular expressions (regex) inside an if clause to perform pattern matching on strings. This allows you to check if a string matches a specific pattern. In this article, we will explore how to use regex inside an if clause in Bash, along with relevant code examples. 1. What […]