Category: Embedded Linux
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Master Message Queue in Linux (2026)
Beginner-friendly guide to Message Queue in Linux. Learn working, applications, advantages, disadvantages, and real-world use cases with examples. Introduction When multiple processes in Linux need to talk to each other, they use a mechanism called Inter-Process Communication (IPC). One of the most commonly used IPC methods is the Message Queue in Linux. A message queue…
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Master I2C Bus on Linux: A Beginner’s Guide (2026)
I2C Bus on Linux beginner-friendly guide with advantages, disadvantages, applications, and FAQs for embedded systems and IoT projects. If you are starting your journey in embedded systems or Linux device drivers, you will often come across the term I2C bus. It plays a major role in connecting sensors, displays, and other peripheral devices to Linux-based…
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Master Yocto Interview Questions for Professionals (2026)
Master Yocto Interview Questions for Professionals a complete beginner-to-pro guide with real-time scheduling, interrupts, task management, and practical embedded tips. It was a cold night of December when I was sitting in front of my laptop, sipping hot coffee, watching yet another bitbake build hang at 92%. The office was quiet, only the sound of…
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Master How Does the Linux Process Scheduler Work? (2026)
Learn Linux Process Scheduler: how processes are created, scheduled, and managed. Explore CFS, real-time policies, and context switching Are you curious about how Linux manages multiple programs running simultaneously? If you’ve ever wondered how your system decides which process gets the CPU at a given time, you’re about to discover the fascinating world of the…
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Master Static and Shared Libraries in Linux | Beginner-friendly, in-depth guide (2026)
Beginner’s guide to Creating Static and Shared Libraries in Linux. Learn differences, build steps with GCC, and when to use each in real projects. You’ve just finished writing a small program in C. It works fine, but then your friend asks, “Hey, can I also use that add() function you wrote?” You copy-paste it into…
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Master Device Tree in Linux: Everything You Need to Know About DTS, DTSI, DTB, DTC (2026)
Explore Device Tree in Linux: Learn about DTS, DTSI, DTB, and DTC, and understand how hardware is configured in embedded Linux systems Imagine you’ve just moved into a brand-new city. You’re excited, but there’s a problem… You don’t know where the hospital is, which bus goes to the school, or where the electricity office is…
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Master System Call in Linux: A Beginner’s Guide (2026)
Beginner’s guide to System Call in Linux: Learn how programs interact with the kernel for files, processes, memory, and device management Imagine this: You’re sitting in front of your laptop, typing a command like ls to see the files in a folder. Instantly, your terminal prints the list of files. Seems simple, right? But behind…
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QNX Audio : A Beginner’s Guide to QNX Sound Architecture
Learn QNX Sound Architecture (QSA) step by step. Discover how apps, drivers, and sound cards work together to play and record audio in QNX. QNX Audio : Imagine you’re sitting in your car on a road trip. You connect your phone, open the music app on the car’s infotainment system, and press Play. A few…
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Master Advanced Yocto Interview Questions | SET #3
If you’re preparing for Embedded Linux or Yocto Project roles, you’ll face advanced Yocto interview questions that go beyond recipes, layers, and the basic build. Senior interviews focus on real-world debugging, build optimization, BSP bring-up, BitBake, and layer design. In this guide, we break down advanced topics with beginner-friendly explanations and step-by-step examples so you…
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Master Yocto Interview Questions | SET #2
Prepare for your embedded Linux career with our comprehensive guide on Yocto Interview Questions. This article covers common and advanced questions, practical tips, and step-by-step explanations to help you confidently crack Yocto-related interviews. Ideal for beginners and experienced developers aiming to strengthen their Yocto knowledge and ace technical rounds. When Ravi, a young embedded developer,…