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Pro Linux Embedded Systems by Gene Sally

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Chapter 18. Handling Field Updates

Change is as ever-present as death and taxes. Companies sometimes ship embedded devices with a set of software that fulfills requirements, only to find out that what the software does and what the customer wants don't quite match. Software passes through code reviews and test suites with flying colors but fails in the field. The new industrial designer likes rounded corners and blue, not square corners and earth tones. A competitor has released a similar device, getting rave reviews for features your product managers said nobody would ever want. No matter what the reason, the software that goes on the device as it leaves the factory will need some sort of update. The question isn't about the need but rather how ...

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