September 2016
Intermediate to advanced
989 pages
24h 10m
English
Content preview from Embedded Linux for DevelopersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Updating in the field
There have been several well-publicized security flaws, including Heartbleed (a bug in the OpenSSL libraries) and Shellshock (a bug in the bash shell), both of which could have serious consequences for embedded Linux devices that are currently deployed. For this reason alone, it is highly desirable to have a mechanism to update devices in the field so that you can fix security problems as they arise. There are other good reasons as well: to deploy other bug fixes and feature updates.
The guiding principle of update mechanisms is that they should do no harm, remembering Murphy's Law: if it can go wrong, it will go wrong, eventually. Any update mechanism must be:
- Robust: It must not render the device inoperable. I will talk about ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.