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How to Recover Deleted Files in Linux: A Step-by-Step Guide | recover deleted files | Linux file recovery tools | restore deleted files from trash | recover files from Linux recycle bin | TestDisk Linux | PhotoRec Linux | recover deleted partitions Linux | Extundelete tutorial | R-Linux file recovery | BleachBit for Linux recovery

 Accidentally deleting files is a common mistake, but don’t panic just yet—it's often possible to recover those files in Linux. Whether you’ve lost files from your regular file system or emptied the trash/recycle bin, several free software tools can help you restore them. This guide will walk you through the process, explaining each step clearly, and showing you how to use some of the best free Linux file recovery tools. 1. Check the Recycle Bin or Trash First Before you dive into complex recovery processes, the first step is to check your system’s Recycle Bin (also called Trash on Linux). In many cases, deleted files are still there and can be easily restored. How to Restore Files from Trash: Open your file manager (e.g., Nautilus, Dolphin, Thunar). Look for the “Trash” or “Recycle Bin” in the sidebar. Browse through the files, right-click on the ones you want to recover, and click Restore . 2. Using TestDisk to Recover Deleted Files TestDisk is a powerful, free, open-source tool ...
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Best Free macOS Apps to Control External Displays and Their Resolutions | Best free macOS app for external display | change resolution macOS | free display manager for Mac | control external display resolution | macOS external display management tools | adjust resolution macOS

 If you're using a Mac with an external display, you might have faced the challenge of adjusting the display settings, such as resolution, scaling, or layout. Fortunately, there are several free macOS apps that make managing external displays and controlling their resolution a breeze. These apps allow you to enhance your productivity by providing more control over your screen setup, improving multitasking, and ensuring that your external display is always running at its optimal resolution. In this blog, we’ll explore the top free apps for controlling external displays and their resolution on macOS, step by step. Let’s dive in! 1. DisplayMenu DisplayMenu is a straightforward and free app that offers a simple way to change the resolution and control display settings for your external display directly from the menu bar . Key Features : Easily switch between available resolutions for your external monitor. Works seamlessly with macOS to provide a smooth user experience. Simple inte...
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laptop lid close settings for battery life, laptop sleep vs hibernate | How to configure laptop lid settings | Best power settings for laptop battery | laptop lid, sleep mode, hibernate, battery settings, power management laptop

 When you close your laptop lid, your device can behave in a variety of ways. Understanding how to configure this setting can help improve battery life, performance, and ease of use. Here’s a quick guide to what happens when you close your laptop lid—whether it's plugged in or running on battery. 1. Sleep Mode (Recommended for Most Users) When? Battery or Plugged In : Sleep mode is generally ideal whether you’re plugged in or on battery. What Happens? Your laptop enters a low-power state. The screen turns off, and processes pause, but the computer is still running in the background. You can quickly resume work when you reopen the lid. Why Choose Sleep Mode? Fast wake-up time. Saves battery and power. Great for short breaks or stepping away for a while. 2. Hibernate Mode (Best for Long Breaks or When You’re Away for a While) When? Battery or Plugged In : Hibernate is great for saving battery when you're not using the laptop for an extended period. What Happens? The laptop saves ...
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How to Use ChatGPT API in Your Code: A Simple Step-by-Step Guide | ChatGPT API integration | use ChatGPT in code | OpenAI API tutorial | Python ChatGPT API | JavaScript ChatGPT API | how to use OpenAI API | ChatGPT API key setup | API response handling

 ChatGPT, developed by OpenAI, is an AI-powered conversational model that can generate human-like responses in natural language. It's widely used for applications such as chatbots, content generation, and more. If you're a developer and want to integrate ChatGPT into your application, using the ChatGPT API is the way to go. In this blog, we’ll walk you through the process of using the ChatGPT API in your code. We will explain the necessary steps, from getting access to the API to integrating it with your code. Preconditions: What You Need Before Using the ChatGPT API Before you begin using the ChatGPT API, make sure you have the following prerequisites: OpenAI Account : You need to create an account on OpenAI to get access to the ChatGPT API. API Key : Once you sign up for OpenAI, you’ll need an API key to authenticate your requests to the API. This key allows your application to communicate securely with OpenAI’s servers. Basic Programming Knowledge : While this guide will fo...
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🖱️ How to Move the Cursor Between Displays on a Mac Using a Keyboard Shortcut | Mac cursor shortcut | move mouse between displays Mac | multi-monitor Mac setup

  Introduction Are you a Mac user working with multiple monitors? If you’re constantly dragging your 🖱️ cursor across screens, you’ve probably wondered: “Isn’t there a faster way?” There is! By using a lightweight automation tool called Hammerspoon and a bit of scripting, you can move your cursor between displays using a keyboard shortcut—no paid apps required and no tech wizardry needed. Let’s walk through how to set this up—boosting your productivity and making your dual (or triple) monitor workflow feel frictionless. 📚 Table of Contents 🎯 Introduction to Hammerspoon and Its Use Cases ⚙️ Setting Up Hammerspoon on Your Mac 🔁 Writing the Script to Switch Cursor Displays 🧪 Testing and Fine-Tuning Your Shortcut 🛠️ Extra Tips and Customization Options ✅ Conclusion 1. 🎯 Introduction to Hammerspoon and Its Use Cases Hammerspoon is a powerful automation bridge between macOS and the Lua scripting language. It gives you total control over your desktop environment...
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Triple DES | 3DES encryption | DES vs 3DES | Triple DES algorithm | symmetric-key algorithm | 3DES encryption example | security with 3DES | AES vs 3DES | encryption methods | 3DES applications.

  Triple DES (3DES) is a cryptographic algorithm that was developed as a solution to the vulnerabilities of the Data Encryption Standard (DES) . It is still used today in some systems, though it is gradually being replaced by more efficient algorithms like AES (Advanced Encryption Standard) . In this blog, we’ll explain what Triple DES (3DES) is, how it works, and walk you through its steps with examples. By the end of this article, you’ll have a solid understanding of how 3DES works and why it was an improvement over its predecessor, DES. 1. What is Triple DES (3DES)? Definition : Triple DES (3DES) is a symmetric-key block cipher that applies the DES algorithm three times to each data block, enhancing its security compared to DES. It is also known as TDES (Triple Data Encryption Standard). Purpose : Triple DES was introduced to address the limitations of DES, which uses a short 56-bit key and is susceptible to brute-force attacks. Key Length : Unlike DES, 3DES uses longer ke...
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🚀 How to Move Windows Between Displays on Mac Using Keyboard Shortcuts | Unlock maximum productivity with Mac window shortcuts, move windows between displays on Mac

  Introduction Are you a Mac user with multiple monitors? Do you often find yourself dragging windows from one display to another, wishing there was a faster way? Good news: macOS allows you to set up custom keyboard shortcuts to move windows between displays instantly—no third-party apps required! In this guide, you’ll learn exactly how to create these shortcuts and boost your productivity. 1. ⏩ Why Move Windows With a Shortcut? Multiple displays are a game-changer for productivity, whether you’re using a MacBook with an external monitor or a desktop setup with two or more screens. However, constantly dragging windows with your mouse can be tedious and disrupt your workflow. By assigning keyboard shortcuts, you can quickly send any active window to another screen—saving time and keeping your focus where it belongs. 2. 🖥️ The Built-in Menu Command for Moving Windows macOS already includes a convenient menu command for moving windows between displays: Open the app window you want t...
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What to Do If Your Laptop Is Lagging Too Much or Hanging: Simple Solutions | laptop lagging too much | fix laptop hanging issues | improve laptop performance | slow laptop solutions | how to speed up laptop | laptop performance tips | troubleshooting laptop lag

 A slow or lagging laptop can be incredibly frustrating, especially when you're in the middle of important work. Whether it’s freezing, stuttering, or simply taking too long to respond, these issues can impact productivity and cause unnecessary stress. Fortunately, there are several steps you can take to fix the problem and get your laptop running smoothly again. In this guide, we’ll walk you through some of the most common causes of lagging laptops and provide simple, actionable solutions. Step 1: Restart Your Laptop The first and simplest step when your laptop is lagging is to restart it. Sometimes, the laptop's performance slows down due to too many processes running in the background or a system overload. Restarting your device can refresh it and clear out temporary files or stuck processes. How to Restart: Close all open applications. Click on the "Start" menu (Windows) or Apple menu (Mac). Select "Restart" to reboot the system. A quick restart can h...
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How to Erase Your Mac and Reinstall macOS (Factory Reset) – Step-by-Step Guide | how to erase MacBook | reinstall macOS | factory reset MacBook | erase Mac and reinstall macOS | reset MacBook to factory settings | macOS recovery mode | wipe Mac clean | reinstall macOS without disc | macOS utilities disk utility

 If you’re planning to sell your Mac, give it away, or simply start fresh, performing a factory reset is the best way to erase all your personal data and reinstall macOS . A factory reset ensures that all your files, apps, and settings are completely removed, providing a clean slate for the next user or for your own use after reinstalling the operating system. In this step-by-step guide, we’ll walk you through how to erase your Mac and reinstall macOS . This process will completely wipe your data and restore the Mac to its factory settings. Step 1: Back Up Your Data Before you perform a factory reset, it's crucial to back up your important files. Once you erase your Mac, you cannot recover any data unless you have a backup. How to Back Up Your Mac: Use Time Machine : Time Machine is Apple’s built-in backup software. Connect an external drive to your Mac and set up Time Machine to back up your files. Cloud Storage : If you use cloud services like iCloud , Google Drive , or Dropbox...
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DES encryption | Data Encryption Standard | DES algorithm | block cipher | DES encryption example | symmetric-key algorithm | cryptographic attacks | AES vs DES | encryption standards | DES vulnerabilities

 The Data Encryption Standard (DES) was once the most widely used encryption algorithm for securing sensitive data. Though it has since been replaced by more modern encryption methods like AES due to security vulnerabilities, it remains an important part of cryptographic history. In this article, we’ll explore DES encryption , how it works, and why it became obsolete. We will break it down step-by-step to help you understand the core concepts of this important algorithm. 1. What is DES (Data Encryption Standard)? Definition : DES is a symmetric-key block cipher developed in the 1970s by IBM and adopted as a federal standard by the U.S. National Institute of Standards and Technology (NIST) in 1977. It was designed to encrypt and decrypt data using the same key. Block Cipher : DES operates on fixed-size blocks of data (64 bits per block). This means it takes 64 bits of plaintext, processes it through a series of steps, and converts it into ciphertext. Key Size : DES uses a 56-bit ...
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