Explore the fundamentals of embedded Linux and learn how to create custom distributions using Buildroot in this 25-minute video tutorial. Discover the advantages of embedded Linux over other platforms, such as bare-metal programming and RTOS, and understand when to choose it for your applications. Follow along as the instructor demonstrates creating a Linux distribution for the STM32MP157D-DK1 single board computer using Buildroot. Learn how to flash the distribution image onto an SD card, boot Linux on the board, and perform basic file manipulation and script writing through a serial terminal. Gain insights into the benefits of reusing high-level code for networking, graphics, cryptography, audio, and machine learning applications. This tutorial serves as an excellent starting point for those looking to delve deeper into embedded Linux development.