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Embedded Linux by John Lombardo

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Dealing with Software Expectations

In an embedded environment, making wise choices about the software that runs on your device comes somewhat naturally—you’re very concerned about how much space your software takes up, so you probably don’t have a lot of extra servers clogging up the boot flash anyway.

But configuration is a different story. In general, configuring a Linux system is difficult. Each service usually wants its own configuration file. Each configuration file has a different syntax. Many configuration files want to live somewhere in the /etc tree, but others don’t. For all of these reasons, replicating a Linux system is especially difficult—where do you get all of the files?

Configuring an embedded system addresses all these issues ...

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