Introducing image-based Linux deployments
This subject is something near and dear to my heart, as I am an embedded systems specialist and have dedicated the past decade to this endeavor. It’s truly my opinion that this set of technologies was virtually tailor made for our embedded Linux systems appliances and the ecosystem of people who build and support them. It would be justifiable for you to question why I, along with many other leaders in the industry, see this as the future. I will give you the short answer here, but we will review it in depth as the chapter progresses. Simplified lifecycle management is the single greatest reason to adopt this new technology for your products.
In the upcoming sections, I will walk you through two of these methodologies, their features, their limitations, and their tooling, along with some exercises to make it all real for you.
rpm-ostree and atomic images
The first type of image-based installation method that we’ll review...