The latest articles on DEV Community by S. SRINIVASAN (@srinivasan000). https://dev.to/srinivasan000 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1860941%2Fde9c3201-f65f-4f7d-ad5b-4c12658f9cc6.jpg https://dev.to/srinivasan000 en S. SRINIVASAN Tue, 21 Apr 2026 01:54:40 +0000 https://dev.to/srinivasan000/create-kali-linux-bootable-usb-from-android-full-guide-5303 https://dev.to/srinivasan000/create-kali-linux-bootable-usb-from-android-full-guide-5303 <p>Did you know you can create a <strong>Kali Linux Bootable USB directly from your Android phone</strong>?<br> No PC needed! In this full guide, I'll show you exactly how to do it step by step. 🐉📱</p> <h2> 🤔 What is Kali Linux? </h2> <p>Kali Linux is a powerful Debian-based Linux distribution designed for<br> <strong>penetration testing, ethical hacking, and cybersecurity</strong>.<br> It comes packed with 600+ security tools used by professionals worldwide.</p> <h2> 📋 What You'll Need </h2> <p>Before starting, make sure you have:</p> <ul> <li>✅ Android phone (Android 5.0+)</li> <li>✅ USB OTG cable</li> <li>✅ USB Flash Drive (minimum <strong>8GB</strong>, 16GB recommended)</li> <li>✅ Kali Linux ISO file</li> <li>✅ EtchDroid app (free on Google Play)</li> <li>✅ Enough storage to download the ISO (~4GB)</li> </ul> <h2> 📥 Step 1 — Download Kali Linux ISO </h2> <ol> <li>Open your Android browser</li> <li>Go to 👉 <a href="https://www.kali.org/get-kali/" rel="noopener noreferrer">https://www.kali.org/get-kali/</a> </li> <li>Select <strong>"Bare Metal"</strong> → choose the <strong>64-bit</strong> version</li> <li>Download the <code>.iso</code> file (around 3–4 GB)</li> </ol> <blockquote> <p>💡 <strong>Tip:</strong> Connect to WiFi before downloading to save mobile data!</p> </blockquote> <h2> 📲 Step 2 — Install EtchDroid App </h2> <ol> <li>Open <strong>Google Play Store</strong> </li> <li>Search for <strong>"EtchDroid"</strong> </li> <li>Install the app (it's completely free)</li> </ol> <p>EtchDroid is an open-source app that lets you write OS images<br> to USB drives directly from Android.</p> <h2> 🔌 Step 3 — Connect USB Drive via OTG </h2> <ol> <li>Plug your <strong>USB OTG cable</strong> into your Android phone</li> <li>Connect your <strong>USB flash drive</strong> to the OTG cable</li> <li>Android should detect the USB drive automatically</li> </ol> <blockquote> <p>⚠️ <strong>Warning:</strong> All data on the USB drive will be erased!<br> Back up anything important before continuing.</p> </blockquote> <h2> 💾 Step 4 — Flash the ISO Using EtchDroid </h2> <ol> <li>Open the <strong>EtchDroid</strong> app</li> <li>Tap <strong>"Write a disk image"</strong> </li> <li>Select the <strong>Kali Linux ISO</strong> you downloaded</li> <li>Choose your <strong>USB drive</strong> as the target</li> <li>Tap <strong>"Write"</strong> and confirm</li> <li>Wait for the process to complete (takes 10–20 minutes)</li> </ol> <p>When you see <strong>"Done!"</strong> — your bootable USB is ready! 🎉</p> <h2> 🖥️ Step 5 — Boot from USB on Your PC </h2> <ol> <li>Insert the bootable USB into your PC</li> <li>Restart and enter <strong>BIOS/UEFI</strong> (press <code>F2</code>, <code>F12</code>, <code>DEL</code>, or <code>ESC</code> depending on your PC brand)</li> <li>Change the <strong>Boot Order</strong> to USB first</li> <li>Save and exit BIOS</li> <li>Kali Linux will boot from the USB!</li> </ol> <h2> 🛠️ Common Issues &amp; Fixes </h2> <div class="table-wrapper-paragraph"><table> <thead> <tr> <th>Problem</th> <th>Solution</th> </tr> </thead> <tbody> <tr> <td>USB not detected on Android</td> <td>Try a different OTG cable</td> </tr> <tr> <td>EtchDroid write fails</td> <td>Reformat USB to FAT32 first</td> </tr> <tr> <td>PC doesn't boot from USB</td> <td>Disable Secure Boot in BIOS</td> </tr> <tr> <td>ISO download corrupted</td> <td>Re-download and verify SHA256</td> </tr> <tr> <td>BIOS not showing USB</td> <td>Enable USB boot in BIOS settings</td> </tr> </tbody> </table></div> <h2> 💡 Pro Tips </h2> <ul> <li>Use a <strong>USB 3.0 drive</strong> for much faster boot speeds</li> <li>You can run Kali Linux in <strong>Live mode</strong> without installing it</li> <li>Enable <strong>Persistence</strong> to save your files between sessions</li> <li>Always download Kali ISO from the <strong>official website only</strong> </li> </ul> <h2> 🎯 Conclusion </h2> <p>Creating a Kali Linux bootable USB from Android is easier than most people think.<br> All you need is an OTG cable, EtchDroid, and the official ISO — and you're ready<br> to explore the world of ethical hacking and cybersecurity! 🔐</p> <p><strong>Found this helpful? Drop a ❤️ and share with your fellow hackers!</strong></p> <p>Feel free to ask questions in the comments below 👇</p> <p><em>Originally published on<br> <a href="https://srinivasan000.blogspot.com/2026/04/create-kali-linux-bootable-usb-from.html" rel="noopener noreferrer">srinivasan000.blogspot.com</a></em></p> linux beginners devops tutorial S. SRINIVASAN Tue, 21 Apr 2026 01:43:23 +0000 https://dev.to/srinivasan000/how-to-install-virtualbox-on-your-pc-step-by-step-guide-for-beginners-1n0k https://dev.to/srinivasan000/how-to-install-virtualbox-on-your-pc-step-by-step-guide-for-beginners-1n0k <p>Ever wanted to run a different operating system without replacing your current one?<br> <strong>VirtualBox</strong> makes that possible — for free! 🎉</p> <p>In this post, I'll walk you through everything you need to install VirtualBox<br> on your machine, with a full video walkthrough included.</p> <h2> 📺 Watch the Video </h2> <p> <iframe src="https://www.youtube.com/embed/lr8klnTeP_U"> </iframe> </p> <h2> 🤔 What is VirtualBox? </h2> <p>VirtualBox is a free, open-source virtualization software by Oracle that lets<br> you run multiple operating systems (like Linux, Windows, macOS) inside your<br> current OS — without dual-booting or buying extra hardware.</p> <h2> ✅ Prerequisites </h2> <p>Before you begin, make sure you have:</p> <ul> <li>A PC running <strong>Windows</strong>, <strong>macOS</strong>, or <strong>Linux</strong> </li> <li>At least <strong>4GB RAM</strong> (8GB recommended)</li> <li> <strong>Virtualization enabled</strong> in your BIOS/UEFI settings</li> <li>Enough disk space for your virtual machine (20GB+ recommended)</li> </ul> <h2> 🚀 Installation Steps </h2> <h3> 1. Download VirtualBox </h3> <p>Head over to the official site:<br> 👉 <a href="https://www.virtualbox.org/wiki/Downloads" rel="noopener noreferrer">https://www.virtualbox.org/wiki/Downloads</a></p> <p>Choose the installer for your host operating system.</p> <h3> 2. Run the Installer </h3> <ul> <li>Double-click the downloaded <code>.exe</code> (Windows) or <code>.dmg</code> (macOS)</li> <li>Follow the installation wizard — default settings work fine for most users</li> <li>Click <strong>Install</strong> and allow any permission prompts</li> </ul> <h3> 3. Install the Extension Pack <em>(Optional but Recommended)</em> </h3> <p>Download the <strong>VirtualBox Extension Pack</strong> from the same downloads page.<br> It adds USB 2.0/3.0 support, RDP, and more.</p> <h3> 4. Launch VirtualBox </h3> <p>Once installed, open VirtualBox from your applications menu or desktop shortcut.</p> <h3> 5. Create Your First Virtual Machine </h3> <ul> <li>Click <strong>New</strong> </li> <li>Give your VM a name and select the OS type</li> <li>Allocate RAM and create a virtual hard disk</li> <li>Mount your OS ISO and hit <strong>Start</strong>!</li> </ul> <h2> 🛠️ Common Issues &amp; Fixes </h2> <div class="table-wrapper-paragraph"><table> <thead> <tr> <th>Issue</th> <th>Fix</th> </tr> </thead> <tbody> <tr> <td>Virtualization not supported</td> <td>Enable VT-x/AMD-V in BIOS</td> </tr> <tr> <td>Installer fails</td> <td>Run as Administrator</td> </tr> <tr> <td>Black screen on VM start</td> <td>Disable 3D acceleration in VM settings</td> </tr> <tr> <td>Slow performance</td> <td>Increase RAM/CPU allocated to VM</td> </tr> </tbody> </table></div> <h2> 💡 Pro Tips </h2> <ul> <li>Always install <strong>Guest Additions</strong> inside your VM for better performance and screen resolution</li> <li>Take <strong>snapshots</strong> before making big changes — it's like a save point!</li> <li>Use <strong>shared folders</strong> to easily transfer files between host and VM</li> </ul> <h2> 🎯 Conclusion </h2> <p>VirtualBox is one of the best free tools for developers, students, and IT<br> professionals. Whether you want to test software, learn Linux, or set up a<br> safe sandbox environment — it has you covered.</p> <p><strong>Watch the full video above</strong> for a hands-on walkthrough, and drop your<br> questions in the comments below! 👇</p> <p><em>Found this helpful? Drop a ❤️ and follow for more tutorials!</em></p> virtualbox virtualization beginners tutorial