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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to Install and Configure Memcached on CentOS 8
Memcached is a distributed memory object caching system that can significantly improve the performance of your website or application by storing frequently accessed data in memory, reducing the number of database queries required. In this article, we will guide you through the process of installing and configuring Memcached on CentOS 8. Step 1: Install Memcached on CentOS 8 The first step is to install Memcached on your CentOS 8 system. You can do this by running the following command − sudo dnf install memcached This command will download and install Memcached on your system. ...
Read MoreDifference Between RTOS and OS
An operating system (OS) is system software that manages computer hardware and software resources, providing services to programs and users. A real-time operating system (RTOS) is a specialized type of operating system designed to provide predictable and deterministic behavior for time-critical applications. While both share fundamental OS principles, they differ significantly in their design priorities and capabilities. What is a Real-Time Operating System? A real-time operating system (RTOS) is designed to handle tasks within strict timing constraints, ensuring critical operations complete within specified deadlines. The primary focus is on deterministic behavior and predictable response times. Real-Time Behavior ...
Read MoreWhat is the sed in-place flag that works both on Mac and Linux?
The sed command in Linux stands for stream editor and is mainly used to perform functions on files, such as searching, replacing, or inserting text. It is a very useful command-line utility available on Linux systems. However, there's an important difference between operating systems: the BSD sed shipped with macOS requires a mandatory argument with the -i flag, while GNU sed on Linux makes this argument optional. The Cross-Platform Solution The most reliable way to make sed work identically on both Mac and Linux is to use the -i flag with a backup extension. This approach works ...
Read MoreWhy do we need shell scripting?
Shell is a software program that acts as a mediator between the kernel and the user. It reads the commands and interprets them by sending requests to execute programs. The shell is essentially a command interpreter that provides an interface for users to interact with the operating system. The shell contains almost 100 system calls that tell the kernel to carry out various tasks for programs. These tasks include − Opening and reading files Writing data to files Obtaining file information and metadata Executing programs and processes Terminating running processes Changing process priorities Getting system time and ...
Read MoreShare confidential folders in windows 7 homegroup
Windows 7 introduced simplified file and folder sharing capabilities that allow users to share content across Homegroups, Workgroups, or domain networks without complex IP configuration. While standard folders can be shared easily through right-click context menus, sharing system folders like Program Files, AppData, and other core directories requires additional security configuration due to Windows 7's strict protection policies. Prerequisites Before configuring share settings, verify your network setup and permissions: Administrative privileges − Required to modify sharing permissions for system folders Network type − Identify whether your computer belongs to a Homegroup, Workgroup, or domain Same workgroup ...
Read MoreDisplay System Information in CLI with Neofetch
As a computer user, it's important to know the specifications and operating system information of the machine you're working with. This information can be helpful in troubleshooting issues or optimizing your system for better performance. While there are many graphical user interface (GUI) tools that can display this information, there are also command-line interface (CLI) tools that can do the same job. One such tool is Neofetch, a CLI system information tool that can display a variety of information about your system in an attractive, easy-to-read format. What is Neofetch? Neofetch is a command-line system information tool written ...
Read MoreBest RDP (Remote Desktop) Clients for Linux
Remote Desktop Protocol (RDP) is a popular tool for remotely accessing desktop environments on other computers. It allows users to connect to a remote desktop over the internet and access all files and applications on a remote machine as if they were sitting in front of it. While RDP is a Microsoft protocol, there are several excellent RDP clients available for Linux that enable seamless connections to Windows machines and other systems. What is RDP? Remote Desktop Protocol (RDP) is a proprietary protocol developed by Microsoft that enables users to remotely access and control a desktop computer over ...
Read MoreHow to Install “atop” to Monitor Logging Activity of Linux System Processes
As a Linux user, monitoring your system's performance and process activity is crucial for maintaining optimal system health. With numerous processes running simultaneously on your Linux system, tracking resource usage and identifying performance bottlenecks can be challenging. Fortunately, there's a powerful tool called atop that provides comprehensive system and process monitoring capabilities. In this article, we'll guide you through installing and using atop to monitor your Linux system effectively. What is Atop? Atop is a Linux performance monitoring tool that displays real-time system and process-level performance statistics. It provides a comprehensive overview of system performance, including CPU usage, ...
Read MoreWhat languages have been used to write Windows, Mac OS and Linux OS?
An operating system serves as the backbone of any computing system, managing hardware resources and providing essential services. The three most widely used operating systems — Windows, macOS, and Linux — share fundamental concepts while implementing them using different programming languages and architectural approaches. These operating systems differ not only in their user interfaces and file management systems but also in the programming languages and technology stacks used for their development. Understanding the languages behind these systems provides insight into their design philosophy and performance characteristics. Linux Operating System Linus Torvalds, the creator of Linux, explained his ...
Read MoreCommand chaining: Inline or Already running process
Command chaining allows you to run multiple commands sequentially in Linux. This is useful when you need to execute a series of related operations, such as downloading a file, extracting it, and then cleaning up. Command chaining can be done inline when starting commands or applied to processes that are already running. Inline Command Chaining Bash provides several operators for chaining commands together. The general syntax is: ... Common Chaining Operators ; (semicolon) − Executes commands sequentially regardless of success or failure & (ampersand) − Runs the ...
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