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Ubuntu Unleashed 2013 Edition: Covering 12.10 and 13.04, Eighth Edition by Matthew Helmke

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Patching the Kernel

It is possible to patch a kernel to the newest Linux kernel version as opposed to downloading the entire source code. This choice can be beneficial for those who are not using a high-speed broadband connection. Whether you are patching existing sources or downloading the full source, the end results are identical.

Patching the kernel is not a mindless task. It requires the user to retrieve all patches from the current version to the version the user wants to upgrade to. For example, if you are currently running 3.4.4 (and have those sources) and want to upgrade to 3.4.6, you must retrieve the 3.4.5 and 3.4.6 patch sets, and so on. After you download these patches, you must apply them in succession to upgrade to 3.4.6. This ...

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