June 2017
Intermediate to advanced
478 pages
13h 14m
English
Content preview from Mastering Embedded Linux Programming - Second Edition
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Problems with file permissions
The files that you copied into the staging directory will be owned by the UID of the user you are logged on as, typically 1000. However, the target has no knowledge of this user. What is more, any files created by the target will be owned by users configured by the target, often the root user. The whole thing is a mess. Unfortunately, there is no simple way out. The best solution is to make a copy of the staging directory and change ownership to UID and GID to 0, using the command sudo chown -R 0:0 *. Then, export this directory as the NFS mount. It removes the convenience of having just one copy of the root filesystem shared between development and target systems, but, at least, the file ownership will be correct. ...
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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.
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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.