Introducing Arm Morello and CHERI

Most serious errors and security threats in software originate from pointer overflows, pointer overwrite and memory miss-management. This causes invalid/un-authorised memory addresses to be interpreted as valid references which in turn results in applications accessing restricted or unavailable memory. Such access can be exploited by an attacker to inject malicious data into memory, take control …

Improving Yocto Build Time

Yocto is an excellent distribution builder, however building any Linux distribution from scratch is resource intensive and may take a frustrating long time. This blog posts examines some of the most common techniques that can be used to reduce build times (and resource use). Downloads During a build, bitbake fetches source code from the internet …

2 Second Linux Boot on i.MX8

Earlier this year we we wrote a blog post that looked at the steps required to enable hardware accelerated image classification on an i.MX8 based Coral Dev Board. We created a Linux ‘Tux mascot detector’ that was able to detect if an object placed in front of a camera was the Tux mascot or something …

Reducing Boot Time with systemd

It’s no surprise that systemd has become the init system of choice for both embedded and desktop Linux distributions – it’s modern, packed full of features and is able to replace an ever increasing number of ancient utilities and daemons. When compared to it’s predecessor (SysVinit) – it also provides a much greater scope for …