Mateusz Kaczanowski Personal Blog
Most of Raspberry like ARM devices have system image written to sdcard. Whenever we need to update base image we need to take out memory stick, write image and put it back. Now imagine that you have 8 boards and you want to update all of them (e.g your current system is crashing). So, you won't do it manually, will you?
Have you ever dreamed of building your own cluster? Running your own service on your own machines? Now with ARM boards it is possible! You don't need much space or excessive amount of money. In this article you may see how I did it and how to control power of each ARM device separately.
If you're are an embedded system beginner and you don't know where to start, this is article for you! After reading, you'll know how to build simple system with yocto/buildroot and how to boot it with qemu.