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Articles on Trending Technologies
Technical articles with clear explanations and examples
CoreFreq – A Powerful CPU Monitoring Tool for Linux Systems
CoreFreq is an advanced CPU monitoring tool for Linux systems that provides real-time information on CPU utilization, temperature, frequency, voltage, and power consumption. It supports a wide range of processors including Intel, AMD, and ARM-based CPUs, making it versatile across different hardware configurations. Unlike basic monitoring tools like top or htop, CoreFreq offers detailed insights into CPU frequency scaling, thermal throttling detection, and power management features that are essential for optimizing system performance. Key Features Real-time CPU monitoring − Provides accurate, up-to-date information on CPU utilization, temperature, frequency, and voltage. CPU throttling detection − Detects and ...
Read MoreHow to Disable Suspend and Hibernation Modes In Linux?
Suspend and hibernation modes are power management features in Linux that help conserve battery life and allow quick system recovery. However, there are situations where you might want to disable these features — such as preventing system instability, avoiding unexpected wake-ups on servers, or ensuring continuous operation of critical applications. Suspend mode puts your computer into a low-power state while keeping the session active in RAM. Hibernation mode saves the current system state to disk and completely powers down the machine. Both modes can sometimes cause issues with certain hardware configurations or interfere with system operations. Disabling Suspend ...
Read MoreHow to create a symbolic link to a directory in Ubuntu?
Symbolic links (symlinks) in Linux are advanced shortcuts that point to another file or directory on your system. A symbolic link appears to be the same as the original file or directory it references, even though it's simply a pointer. This powerful feature allows you to create references to files and directories located elsewhere in the filesystem. What are Symbolic Links? Symbolic links are essentially file system objects that contain a path to another file or directory. When you access a symbolic link, the operating system automatically redirects you to the target location. This is particularly useful for ...
Read MoreWhat are the roles of embedded operating systems?
An Embedded Operating System is a resource-efficient and reliable operating system designed specifically for embedded computer systems. Each embedded OS is tailored to perform specific tasks within the constraints of dedicated hardware and limited resources. Characteristics of Embedded Operating Systems Embedded operating systems have distinct characteristics that differentiate them from general-purpose operating systems − Task-specific functionality − All embedded systems are designed to perform particular tasks repeatedly throughout their operational lifetime. Real-time constraints − They must execute tasks within specific time intervals to meet deadlines and maintain system reliability. Minimal user interface − Many embedded systems ...
Read MoreGoogle Android Architecture
Android is an operating system developed by Google for mobile systems. It is based on the Linux kernel and mainly designed for touchscreen devices such as tablets and smartphones. Android's layered architecture ensures modularity, security, and efficient resource management across diverse hardware platforms. The Android architecture is divided into four main layers and five sections, creating a structured environment where each layer serves specific functions and communicates with adjacent layers. Android Architecture Applications Contacts | Phone | Browser | Games ...
Read MoreHow can I use wstring(s) in Linux APIs
Wide character strings (wstrings) are sequences of wide characters that can represent Unicode characters from multiple languages and special symbols. In Linux programming, wstrings enable robust text handling for international applications, supporting characters from Arabic, Chinese, Russian, and special symbols like accents and emojis. What are wstrings and why use them? A wstring is a sequence of wide characters where each character uses the wchar_t data type, typically requiring more bytes than regular characters. This expanded representation allows encoding of characters beyond the ASCII range. Benefits of using wstrings in Linux APIs include: Unicode support ...
Read MoreParse Command Line Arguments in Bash on Linux
Command-line arguments are parameters passed to bash scripts that allow users to customize script behavior without modifying the script itself. These arguments can be processed sequentially as positional parameters or parsed as options using built-in utilities like getopts and external tools like getopt. Note − Linux commands are case-sensitive. Basic Command Line Arguments Bash automatically stores command-line arguments in special variables: $0 − Script name $1, $2, $3... − Positional arguments $# − Number of arguments $@ − All arguments as separate strings $* − All arguments as a single string #!/bin/bash ...
Read MoreA Fresh Installation of Debian 11 Bullseye
Are you looking to try out a new Linux distribution on your computer? Then Debian 11 Bullseye might be just what you need. In this article, we'll go through the process of installing Debian 11 Bullseye from scratch. What is Debian 11 Bullseye? Debian is a popular and reliable Linux distribution that is used by millions of people worldwide. Debian 11 Bullseye is the latest version of this distribution, released in August 2021. It comes with a lot of new features and improvements, making it an ideal choice for both beginners and experienced users. System Requirements ...
Read MoreAppArmor vs. SELinux Comprehensive Comparison
In the world of cybersecurity, there are two commonly used tools for enforcing mandatory access control (MAC) policies on Linux systems: AppArmor and SELinux. Both of these tools provide a layer of security by limiting actions that a particular process or application can take on a system. In this article, we will be taking a comprehensive look at both AppArmor and SELinux and compare their features and capabilities. Overview of AppArmor and SELinux AppArmor and SELinux are both Linux Security Modules (LSMs) that can be used to protect a system from various security threats. They are designed to ...
Read MoreHow to Format USB Drives in Linux?
USB drives are portable storage devices that have become essential for data storage and transfer in modern computing. They are small, lightweight, and provide an easy way to move files between different computers or create bootable media for operating system installations. With increasing storage demands, USB drives have evolved to offer larger capacities and faster transfer speeds, making them indispensable tools for both personal and professional use. Understanding File Systems in Linux A file system is responsible for organizing and managing files, directories, and metadata such as permissions, ownership, and timestamps. Linux supports various file systems, each ...
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