Secure Boot has always been a nuisance for Linux users, but Microsoft's expiring 2011 certificate authorities are making it a ...

Quard Star is the name of the hardware board that we simulate using qemu. It is a RISC-V processor with various peripherals and controllers. We will use this board to learn how to build and run an ...

Kernel fitImage signing is an important step in embedded secure boot. In this technique, a public-private key pair is generated by OpenSSL. The private key is used to sign the kernel fitImage. The ...

Raspberry Pi has introduced and released the new Raspberry Pi Compute Module 5. I happen to have four Raspberry Pi Compute Module 5 devices on my bench along with a couple of Raspberry Pi Compute ...

When I first started looking into Petalinux and learn the basics, I thought I should start my journey with a simple GPIO toggling and an interrupt. I've soon found out there was more to it than meets ...

The kernel this. The kernel that. People often refer to one operating system's kernel or another without truly knowing what it does or how it works or what it takes to make one. What does it take to ...

Testing is an integral and important part of any software development cycle, open or closed, and Linux kernel is no exception to that. Developer testing, integration testing, regression, and stress ...

After seeing the discussion about ARM vs x86 (Bay trail) for the future Dragon Pyra open source game console, I’ve realized many people, including myself, do not know about the different resources ...

Free Electrons, a technology company offering embedded Linux consulting services as well as embedded Linux training, has released their training materials for Linux and system development for embedded ...